/* =========================
   DESIGN TOKENS & COLORS
========================= */

:root {
  /* ---- Spacing ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;

  /* ---- Radius ---- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* ---- Icons ---- */
  --icon-sm: 16px;
  --icon-md: 20px;
  --icon-lg: 24px;

  /* ---- Heights & Layout ---- */
  --button-height: 44px;
  --composer-height: 56px;
  --sidebar-width: 288px;

  /* ---- Transitions ---- */
  --transition-fast: 150ms;

  /* ---- Colors ---- */
  --bg-main: #ffffff;
  --bg-sidebar: #f9f9f9;
  --bg-hover: #ececf1;
  --bg-active: #e8e8ed;
  --border-subtle: #e5e5ea;
  --text-primary: #0d0d0d;
  --text-muted: #6e6e73;
  --user-msg-bg: #f4f4f6;
  --focus-ring: #3b82f6;
  --shadow-popup: 0 8px 24px rgba(0, 0, 0, 0.08);
  --chip-bg: #eaeaea;
}

body.dark-mode {
    --bg-main: #212121;
    --bg-sidebar: #171717;
    --bg-hover: #2a2a2a;
    --bg-active: #333333;
    --border-subtle: #2e2e2e;
    --text-primary: #ececec;
    --text-muted: #8e8e93;
    --user-msg-bg: #2f2f2f;
    --focus-ring: #60a5fa;
    --shadow-popup: 0 8px 24px rgba(0, 0, 0, 0.4);
    --chip-bg: #2d2d2d;
}

::selection {
    background: rgba(59, 130, 246, 0.25);
    color: #0d0d0d;
}
::-moz-selection {
    background: rgba(59, 130, 246, 0.25);
    color: #0d0d0d;
}
body.dark-mode ::selection {
    background: rgba(96, 165, 250, 0.35);
    color: #ffffff;
}
body.dark-mode ::-moz-selection {
    background: rgba(96, 165, 250, 0.35);
    color: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

*:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 2px;
    border-radius: 4px;
}

svg.lucide {
    stroke-width: 1.75px;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
}

/* SIDEBAR — PREMIUM LAYOUT */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    height: 100%;
    z-index: 50;
    flex-shrink: 0;
    transition: margin-left 0.2s ease, transform 0.2s ease;
    overflow: hidden;
}
@media (min-width: 768px) {
    .sidebar.collapsed {
        margin-left: calc(-1 * var(--sidebar-width));
        visibility: hidden;
    }
}
body:not(.sidebar-collapsed) #sidebarToggleBtn {
    display: none !important;
}
body.sidebar-collapsed #sidebarToggleBtn {
    display: flex !important;
}
@media (max-width: 767px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: var(--sidebar-width);
        min-width: var(--sidebar-width);
        max-width: var(--sidebar-width);
    }
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    body:not(.sidebar-collapsed) #sidebarToggleBtn {
        display: flex !important;
    }
}

.sidebar-scrim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 40;
}
.sidebar-scrim.visible {
    opacity: 1;
    pointer-events: auto;
}
@media (min-width: 768px) {
    .sidebar-scrim {
        display: none !important;
    }
}

.sidebar-header {
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.brand-button {
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    padding: var(--space-1);
    border-radius: var(--radius-md);
}
.brand-button:hover {
    background: var(--bg-hover);
}
.brand-copy strong {
    display: block;
    font-size: 14.5px;
    font-weight: 600;
    letter-spacing: -0.2px;
}
.brand-copy small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: var(--space-1);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--button-height);
    height: var(--button-height);
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    padding: var(--space-1) var(--space-2) var(--space-3);
}
.sidebar-content::-webkit-scrollbar {
    width: 4px;
}
.sidebar-content::-webkit-scrollbar-thumb {
    background: rgba(120, 120, 128, 0.22);
    border-radius: 999px;
}

.sidebar-primary-nav {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

/* ✅ REFINED SIDEBAR BUTTONS — OpenAI Style */
.new-chat-btn,
#sidebarPersonalitiesBtn {
    width: 100%;
    min-height: var(--button-height) !important;
    margin: 0 !important;
    padding: 0 var(--space-3) !important;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-3);
    border: 0;
    border-radius: var(--radius-md) !important;
    background: transparent;
    color: var(--text-primary);
    font-size: 13.5px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.new-chat-btn:hover,
#sidebarPersonalitiesBtn:hover {
    background: var(--bg-hover);
}
.new-chat-btn:active,
#sidebarPersonalitiesBtn:active {
    transform: scale(0.985);
}

.sidebar-nav-icon {
    width: var(--icon-lg) !important;
    height: var(--icon-lg) !important;
    flex: 0 0 var(--icon-lg) !important;
    display: grid;
    place-items: center;
    border-radius: 6px;
    color: var(--text-primary);
}
.sidebar-nav-icon svg {
    width: var(--icon-md) !important;
    height: var(--icon-md) !important;
    stroke-width: 1.85px;
}

.history-section {
    margin-top: var(--space-3);
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    padding: var(--space-2) var(--space-3) var(--space-1);
    display: block;
}

.history-list {
    width: 100%;
    min-width: 0;
    overflow: hidden;
    display: grid;
    gap: var(--space-1);
}

.history-item-wrapper {
    display: flex !important;
    align-items: center !important;
    gap: var(--space-1) !important;
    padding: var(--space-1) var(--space-1) !important;
    border-radius: 10px !important;
    transition:
        background-color var(--transition-fast) ease !important;
    min-height: 38px;
}
.history-item-wrapper:hover {
    background: var(--bg-hover) !important;
}

.history-item {
    flex: 1 !important;
    min-height: 38px !important;
    height: 38px !important;
    padding: var(--space-2) calc(var(--space-5) + 16px) var(--space-2) var(--space-3) !important;
    margin: 0 !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-primary) !important;
    text-align: left !important;
    cursor: pointer !important;
    overflow: hidden !important;
    white-space: nowrap !important;
    text-overflow: ellipsis !important;
    border-radius: var(--radius-md) !important;
    font-size: 14px !important;
    font-weight: 400;
    width: 100%;
    max-width: 100%;
    min-width: 0;
}
.history-item:hover {
    background: transparent !important;
}
.history-item.active {
    font-weight: 500;
}

.history-three-dot {
    background: transparent !important;
    border: none !important;
    color: var(--text-muted) !important;
    cursor: pointer !important;
    padding: var(--space-1) var(--space-1) !important;
    border-radius: var(--radius-md) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 28px !important;
    height: 28px !important;
    transition:
        background-color var(--transition-fast) ease !important,
        color var(--transition-fast) ease !important,
        transform var(--transition-fast) ease !important,
        opacity var(--transition-fast) ease !important;
    flex-shrink: 0;
}
.history-three-dot:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.sidebar-footer {
    position: relative;
    padding: var(--space-2);
    border-top: 1px solid transparent;
}

.user-profile-btn {
    width: 100%;
    min-height: 54px;
    padding: var(--space-2) var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-radius: var(--radius-lg);
    background: transparent;
    border: none;
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
    text-align: left;
}
.user-profile-btn:hover {
    background: var(--bg-hover);
}

#userAvatar {
    width: 32px;
    height: 32px;
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-color: var(--bg-hover);
    border-radius: 50%;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#userAvatar::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35), 0 2px 8px rgba(0, 0, 0, 0.06);
}
body.dark-mode #userAvatar::before {
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12), 0 2px 8px rgba(0, 0, 0, 0.25);
}

#userAvatar img,
.user-avatar img,
.profile-avatar img,
.profile-editor-avatar img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
    border-radius: inherit;
    background: transparent;
}

.user-info {
    flex: 1;
    overflow: hidden;
}
.user-name {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.user-badge {
    display: block;
    font-size: 10.5px;
    color: var(--text-muted);
}
.more-icon {
    width: 18px !important;
    height: 18px !important;
    flex: 0 0 18px;
    color: var(--text-muted);
}

.user-popup-menu {
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-popup);
    padding: var(--space-1);
    z-index: 10000;
    visibility: hidden;
    opacity: 0;
    transform: translateY(8px) scale(0.98);
    pointer-events: none;
    position: absolute;
    bottom: 68px;
    left: 8px;
    width: calc(100% - 16px);
    transition:
        opacity var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        visibility var(--transition-fast) ease;
}
.user-popup-menu.show {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.user-popup-menu .popup-item {
    width: 100%;
    min-height: var(--button-height);
    padding: var(--space-2) var(--space-2);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-3);
    border: 0;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: 14px;
    text-align: left;
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.user-popup-menu .popup-item:hover {
    background: var(--bg-hover);
}
.popup-icon-wrapper {
    width: 28px;
    height: 28px;
    flex: 0 0 28px;
    display: grid;
    place-items: center;
    border-radius: var(--radius-md);
    color: var(--text-muted);
}
.popup-icon-wrapper svg {
    width: 18px !important;
    height: 18px !important;
    stroke-width: 1.8px;
}
.popup-item.danger,
.popup-item.danger .popup-icon-wrapper {
    color: #ef4444;
}
.popup-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: var(--space-1) 0;
}

/* HISTORY POPUP */
.history-popup-menu,
.attachment-popup-menu {
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-popup);
    padding: var(--space-1);
    z-index: 10000;
}

.history-popup-menu {
    display: none;
    position: fixed;
    width: 204px;
    padding: var(--space-1);
    border-radius: var(--radius-lg);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.06);
}
.history-popup-menu.show {
    display: block;
    animation: popIn var(--transition-fast) ease forwards;
}

.attachment-popup-menu {
    display: none;
    position: absolute;
    bottom: calc(100% + 10px);
    left: 0;
    width: 175px;
}
.attachment-popup-menu.show {
    display: block;
    animation: popIn var(--transition-fast) ease forwards;
}

@keyframes popIn {
    from { opacity: 0; transform: translateY(3px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.history-popup-item,
.attachment-popup-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    min-height: var(--button-height);
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
}
.history-popup-item i,
.attachment-popup-item i {
    color: var(--text-muted);
    flex-shrink: 0;
}
.history-popup-item:hover,
.attachment-popup-item:hover {
    background: var(--bg-hover);
}
.history-popup-item.danger {
    color: #ef4444;
}
.history-popup-item.danger i {
    color: #ef4444;
}
.attachment-popup-item.active-mode {
    color: #10b981;
    background: rgba(16, 185, 129, 0.08);
}
.attachment-popup-item.active-mode i {
    color: #10b981 !important;
}

/* APP SHELL */
.app-shell {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    min-width: 0;
    background: var(--bg-main);
    max-width: 100%;
}

.top-bar {
    height: 52px;
    padding: 0 var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.top-left,
.top-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* MODEL MENU */
.model-dropdown-wrapper {
    position: relative;
}
.model-badge {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
}
.model-badge:hover {
    background-color: var(--bg-hover);
}
.model-name {
    font-size: 15.5px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}
.model-chevron {
    color: var(--text-muted);
}
.model-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: 270px;
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-popup);
    padding: var(--space-1);
    z-index: 1000;
}
.model-dropdown-menu.show {
    display: block;
    animation: popIn var(--transition-fast) ease forwards;
}
.model-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
}
.model-option:hover {
    background: var(--bg-hover);
}
.model-opt-info strong {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}
.model-opt-info small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}
.opt-check-icon {
    color: var(--focus-ring);
    opacity: 0;
}
.model-option.active .opt-check-icon {
    opacity: 1;
}
.pro-tag {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-lg);
    letter-spacing: 0.5px;
}

/* MAIN */
.scroll-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4) var(--space-5) 180px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}
.conversation-column {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
    padding: 0 var(--space-3);
    min-width: 0;
}

.hero-section {
    text-align: center;
    padding: 60px 0 30px 0;
}
.hero-section h1 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.4px;
}
.hero-copy {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 32px;
}
.starter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-3);
    text-align: left;
}
.starter-grid button {
    background: transparent;
    border: 1px solid var(--border-subtle);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 13.5px;
    font-weight: 500;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
}
.starter-grid button:hover {
    background-color: var(--bg-hover);
}

/* CHAT */
.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 28px; /* Keep for now, may later use --space-6 or custom */
}

.message {
    display: flex;
    flex-direction: column;
    position: relative;
    width: 100%;
}

/* ASSISTANT MESSAGE — premium typography */
.message.assistant {
    align-items: center;
}
.message.assistant .message-content {
    width: 100% !important;
    max-width: 100% !important;
    color: var(--text-primary);
    font-size: 16px !important;
    font-weight: 400 !important;
    line-height: 1.7 !important;
    letter-spacing: -0.006em;
    background: transparent;
    padding: 0;
}
.message.assistant .message-actions {
    width: 100%;
    max-width: 100% !important;
    margin-left: -4px !important;
    margin-right: 0 !important;
    margin-top: 7px !important;
}

.message-content p {
    margin: 0 0 16px !important;
    font-weight: 400 !important;
}
.message-content p:last-child {
    margin-bottom: 0 !important;
}

.message-content h1,
.message-content h2,
.message-content h3 {
    color: var(--text-primary);
    letter-spacing: -0.025em;
}
.message-content h1 {
    margin: 26px 0 12px !important;
    font-size: 24px !important;
    line-height: 1.28 !important;
    font-weight: 700 !important;
}
.message-content h2 {
    margin: 24px 0 11px !important;
    font-size: 20px !important;
    line-height: 1.32 !important;
    font-weight: 680 !important;
}
.message-content h3 {
    margin: 20px 0 9px !important;
    font-size: 17px !important;
    line-height: 1.38 !important;
    font-weight: 650 !important;
}
.message-content h1:first-child,
.message-content h2:first-child,
.message-content h3:first-child {
    margin-top: 0 !important;
}

.message-content strong {
    font-weight: 650 !important;
}

.message-content ul,
.message-content ol {
    margin: 10px 0 18px !important;
    padding-left: 26px !important;
}
.message-content li {
    margin: 0 0 9px !important;
    padding-left: 2px !important;
    font-weight: 400 !important;
}
.message-content li:last-child {
    margin-bottom: 0 !important;
}

.message-content pre {
    margin: 16px 0 !important;
    padding: 16px !important;
    overflow-x: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: #0d1117 !important;
    color: #e6edf3 !important;
    font-size: 14px;
    line-height: 1.6;
}
.message-content pre code {
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: inherit !important;
}

.message-content a {
    color: var(--text-primary) !important;
    font-weight: 500 !important;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
.message-content a:hover {
    opacity: 0.72;
    text-decoration-thickness: 2px;
}
.message-content a[href]:not([href^="#"])::after {
    content: " ↗";
    display: inline;
    font-size: 0.76em;
    font-weight: 500;
    text-decoration: none;
    vertical-align: 0.08em;
    opacity: 0.72;
}

.message-content table {
    width: 100%;
    margin: 14px 0;
    border-collapse: collapse;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 14px;
    line-height: 1.5;
}
.message-content th,
.message-content td {
    padding: 9px 12px;
    border: 1px solid var(--border-subtle);
    text-align: left;
}
.message-content th {
    background: var(--bg-sidebar);
    font-weight: 650;
}

.message-content :not(pre) > code {
    padding: 2px 6px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-sidebar);
    color: var(--text-primary);
    font-size: 0.88em;
}

.message-content blockquote {
    margin: 16px 0;
    padding: 2px 0 2px 16px;
    border-left: 3px solid var(--border-subtle);
    color: var(--text-muted);
}

.message-content hr {
    height: 1px;
    margin: 22px 0;
    border: 0;
    background: var(--border-subtle);
}

.message.assistant.is-thinking .message-content {
    display: flex;
    align-items: center;
    font-size: 14.5px;
    font-weight: 500;
    padding: 2px 0;
}
.thinking-shimmer {
    background: linear-gradient(90deg, var(--text-muted) 0%, var(--text-primary) 50%, var(--text-muted) 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmerWave 1.8s infinite linear;
}
@keyframes shimmerWave {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.message.assistant.is-thinking .message-actions {
    display: none !important;
}

.message-actions {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-1);
    margin-left: -4px;
    animation: fadeIn var(--transition-fast) ease forwards;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(2px); }
    to { opacity: 1; transform: translateY(0); }
}
.msg-action-btn {
    position: relative;
    background: transparent;
    border: none;
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    opacity: 0.75;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.msg-action-btn:hover {
    background-color: var(--bg-hover);
    opacity: 1;
    color: var(--text-primary);
}
.msg-action-btn svg,
.msg-action-btn i {
    width: var(--icon-md) !important;
    height: var(--icon-md) !important;
    pointer-events: none;
}

/* COMPOSER (old, overridden below) */
.composer-dock {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-3) var(--space-5) var(--space-4) var(--space-5);
    background: linear-gradient(to top, var(--bg-main) 85%, transparent);
    z-index: 30;
    pointer-events: none;
}
.composer-wrapper {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    pointer-events: auto;
    width: 100%;
}

.drag-drop-overlay {
    display: none;
    position: absolute;
    inset: 0;
    background: var(--bg-main);
    border: 2px dashed var(--focus-ring);
    border-radius: 28px;
    z-index: 50;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--focus-ring);
    font-weight: 600;
    font-size: 14px;
}
.drag-drop-overlay.active {
    display: flex;
}
.drag-drop-overlay.show {
    display: flex;
}

.live-suggestions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    overflow-x: auto;
    padding: var(--space-1) var(--space-1);
    scrollbar-width: none;
}
.live-suggestions::-webkit-scrollbar {
    display: none;
}
.suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-xl);
    background: var(--user-msg-bg);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        border-color var(--transition-fast) ease;
}
.suggestion-chip:hover {
    background: var(--bg-hover);
    border-color: rgba(0, 0, 0, 0.15);
}
body.dark-mode .suggestion-chip {
    background: var(--bg-sidebar);
    border-color: var(--border-subtle);
}

.glass-input-container {
    background: var(--bg-sidebar);
    border: 1px solid var(--border-subtle);
    border-radius: 26px;
    padding: var(--space-1) var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
    transition:
        border-color var(--transition-fast) ease,
        box-shadow var(--transition-fast) ease,
        border-radius 0.2s ease;
    min-width: 0;
    max-width: 100%;
}
.glass-input-container.is-expanded {
    border-radius: 20px;
}
.glass-input-container:focus-within {
    border-color: rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 22px rgba(0, 0, 0, 0.08);
}
body.dark-mode .glass-input-container:focus-within {
    border-color: rgba(255, 255, 255, 0.2);
}

/* ATTACHMENT CHIPS */
.attached-chips-wrapper {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: var(--space-2) !important;
    padding: var(--space-2) var(--space-1) var(--space-1) !important;
    max-height: none !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 120, 128, 0.28) transparent;
    min-height: 0;
}
.attached-chips-wrapper:empty {
    display: none !important;
}
.attached-chips-wrapper::-webkit-scrollbar {
    height: 4px;
}
.attached-chips-wrapper::-webkit-scrollbar-track {
    background: transparent;
}
.attached-chips-wrapper::-webkit-scrollbar-thumb {
    background: rgba(120, 120, 128, 0.28);
    border-radius: 999px;
}

.attachment-preview-card {
    width: 190px !important;
    height: 58px !important;
    min-width: 190px !important;
    border-radius: var(--radius-lg) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: var(--space-2) 34px var(--space-2) var(--space-3) !important;
    overflow: hidden !important;
    background: var(--bg-sidebar) !important;
    border: 1px solid var(--border-subtle) !important;
    box-shadow: none !important;
    position: relative;
}
.attachment-preview-card img {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    border-radius: var(--radius-md) !important;
    object-fit: cover !important;
}
.attachment-preview-file {
    width: auto;
    height: auto;
    flex: 1;
    min-width: 0;
    display: block;
    padding: 0 var(--space-1);
    text-align: left;
    font-size: 13px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.attachment-preview-file i {
    flex-shrink: 0;
    color: var(--text-muted);
}
.attachment-remove-btn {
    position: absolute !important;
    top: 50% !important;
    right: 8px !important;
    width: 20px !important;
    height: 20px !important;
    transform: translateY(-50%);
    font-size: 14px !important;
    box-shadow: none !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    border: none !important;
    border-radius: 50% !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 2;
}
.attachment-remove-btn:hover {
    background: rgba(239, 68, 68, 0.15) !important;
    color: #ef4444 !important;
}

/* COMPOSER CONTROLS (old) */
.composer-input-row {
    display: flex;
    align-items: flex-end !important;
    gap: var(--space-1);
    width: 100%;
    position: relative;
    min-height: 42px;
}
.attach-btn,
.mic-btn,
.stop-recording-btn,
.send-btn {
    width: 36px !important;
    height: 36px !important;
    min-width: 36px !important;
    min-height: 36px !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    align-self: flex-end !important;
    border: 0 !important;
    border-radius: 50% !important;
    outline: none !important;
    box-shadow: none !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    cursor: pointer;
    flex-shrink: 0 !important;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.attach-btn svg,
.attach-btn i {
    width: 21px !important;
    height: 21px !important;
    transform: translateY(-1px) !important;
    stroke-width: 1.9px !important;
}
.attach-btn:hover,
.mic-btn:hover {
    background: var(--bg-hover) !important;
}
.send-btn {
    background: var(--text-primary) !important;
    color: var(--bg-main) !important;
}
.send-btn:hover:not(:disabled) {
    opacity: 0.88;
    transform: scale(0.98);
}
.send-btn svg,
.send-btn i {
    display: block !important;
    width: 18px !important;
    height: 18px !important;
    stroke: currentColor !important;
}

textarea#chatInput {
    flex: 1;
    min-width: 0;
    min-height: 38px !important;
    max-height: 160px;
    padding: var(--space-2) var(--space-1) !important;
    margin: 0 !important;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.45;
    resize: none;
    box-shadow: none !important;
}
textarea#chatInput::placeholder {
    color: var(--text-muted);
    opacity: 0.88;
}

.composer-input-row:not(.is-transcribing)
.voice-transcribe-container,
.composer-input-row:not(.is-transcribing)
.stop-recording-btn {
    display: none !important;
}
.composer-input-row:not(.is-transcribing)
.mic-btn,
.composer-input-row:not(.is-transcribing)
.send-btn {
    display: flex !important;
}

.composer-input-row.is-transcribing textarea#chatInput {
    display: none !important;
}
.composer-input-row.is-transcribing .mic-btn {
    display: none !important;
}
.composer-input-row.is-transcribing .send-btn {
    display: flex !important;
}
.composer-input-row.is-transcribing
.voice-transcribe-container {
    display: flex !important;
    flex: 1 !important;
    min-width: 0 !important;
    height: 36px !important;
    padding: 0 var(--space-1) 0 var(--space-1) !important;
    gap: var(--space-2) !important;
    align-items: center !important;
}
.composer-input-row.is-transcribing
.stop-recording-btn {
    display: flex !important;
}

.wave-dots-bar {
    height: 30px !important;
    min-width: 0 !important;
    flex: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: var(--space-1) !important;
    padding: 0 var(--space-1) !important;
    overflow: hidden !important;
}
.wave-dots-bar span {
    width: 3px !important;
    min-width: 3px !important;
    height: 4px;
    border-radius: 999px !important;
    background: var(--text-muted);
    opacity: 0.45;
    transform-origin: center;
    will-change: height, opacity;
    transition: height 55ms linear, opacity 55ms linear, background-color 80ms ease !important;
}

.stop-recording-btn {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}
.stop-recording-btn:hover {
    background: rgba(239, 68, 68, 0.14) !important;
    color: #ef4444 !important;
}
.stop-recording-btn svg,
.stop-recording-btn i {
    width: 13px !important;
    height: 13px !important;
}

.attached-chips-wrapper {
    width: 100%;
    padding: var(--space-1) var(--space-1) var(--space-1) !important;
    margin: 0;
}
.live-suggestions {
    margin-bottom: var(--space-3);
}
.attach-btn:focus,
.mic-btn:focus,
.send-btn:focus,
textarea#chatInput:focus {
    outline: none !important;
    box-shadow: none !important;
}
.glass-input-container:not(.is-expanded) {
    overflow: hidden;
}

.composer-note {
    margin-top: var(--space-3) !important;
    margin-bottom: 0 !important;
    text-align: center !important;
    font-size: 12.5px !important;
    line-height: 1.45 !important;
    color: var(--text-muted) !important;
    opacity: 0.95;
}
.composer-wrapper {
    gap: 0 !important;
}
.composer-dock {
    padding-bottom: var(--space-3) !important;
}

@media (max-width: 520px) {
    .glass-input-container {
        min-height: 58px !important;
        padding: var(--space-2) var(--space-2) var(--space-2) var(--space-2) !important;
    }
    .glass-input-container.is-expanded {
        border-radius: 22px !important;
    }
    .attach-btn,
    .mic-btn,
    .send-btn {
        width: var(--button-height) !important;
        height: var(--button-height) !important;
        min-width: var(--button-height) !important;
        min-height: var(--button-height) !important;
    }
    .wave-dots-bar {
        gap: 2.5px !important;
        padding: 0 var(--space-1) !important;
    }
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(120, 120, 128, 0.28);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(120, 120, 128, 0.42);
}
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(120, 120, 128, 0.28) transparent;
}

/* TOASTS */
.neo-toast-stack {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 50000;
    width: min(360px, calc(100vw - 28px));
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2);
    pointer-events: none;
}
.neo-toast {
    width: fit-content;
    max-width: 100%;
    min-height: 42px;
    padding: var(--space-2) var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border: 1px solid var(--border-subtle);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.96);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.35;
    pointer-events: auto;
    animation: neoToastIn var(--transition-fast) ease forwards;
}
body.dark-mode .neo-toast {
    background: rgba(42, 42, 42, 0.96);
}
.neo-toast-icon {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
}
.neo-toast-message {
    min-width: 0;
    overflow-wrap: anywhere;
}
.neo-toast-close {
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.neo-toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.neo-toast.success .neo-toast-icon { color: #16a34a; }
.neo-toast.error .neo-toast-icon { color: #ef4444; }
.neo-toast.warning .neo-toast-icon { color: #d97706; }
.neo-toast.info .neo-toast-icon { color: var(--focus-ring); }
.neo-toast.is-leaving {
    animation: neoToastOut var(--transition-fast) ease forwards;
}
@keyframes neoToastIn {
    from { opacity: 0; transform: translateY(-8px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes neoToastOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-6px) scale(0.97); }
}
@media (max-width: 520px) {
    .neo-toast-stack {
        top: 12px;
        right: 12px;
        width: calc(100vw - 24px);
    }
    .neo-toast {
        border-radius: var(--radius-xl);
    }
}

.history-item-wrapper {
    position: relative;
    width: 100%;
    min-width: 0;
    padding: 0 !important;
    gap: 0 !important;
}
.history-item-wrapper:hover {
    background: transparent !important;
}
.history-item {
    padding-right: 36px !important;
}
.history-three-dot {
    position: absolute !important;
    top: 50%;
    right: 4px;
    width: 28px;
    height: 28px;
    padding: 0 !important;
    transform: translateY(-50%);
    opacity: 0;
    pointer-events: none;
}
.history-item-wrapper:hover .history-three-dot,
.history-item-wrapper:focus-within .history-three-dot {
    opacity: 1;
    pointer-events: auto;
}
.history-popup-menu {
    width: 208px;
    padding: var(--space-1);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    background: var(--bg-main);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.14), 0 2px 10px rgba(0, 0, 0, 0.06);
}
.history-popup-item {
    min-height: 40px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 450;
}
.history-popup-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}
.history-popup-item.danger {
    margin-top: var(--space-1);
}

.neo-dialog-overlay {
    position: fixed;
    inset: 0;
    z-index: 60000;
    display: grid;
    place-items: center;
    padding: var(--space-5);
    background: rgba(0, 0, 0, 0.28);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.neo-dialog-overlay.show {
    opacity: 1;
}
.neo-dialog-card {
    width: min(420px, 100%);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-main);
    color: var(--text-primary);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
    transform: translateY(6px) scale(0.985);
    transition: transform var(--transition-fast);
}
.neo-dialog-overlay.show .neo-dialog-card {
    transform: translateY(0) scale(1);
}
.neo-dialog-card h3 {
    margin: 0 0 14px;
    font-size: 17px;
    font-weight: 650;
}
.neo-dialog-input {
    width: 100%;
    height: 44px;
    padding: 0 var(--space-3);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-sidebar);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}
.neo-dialog-input:focus {
    border-color: var(--focus-ring);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}
.neo-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-4);
}
.neo-dialog-cancel,
.neo-dialog-confirm {
    min-height: var(--button-height);
    padding: 0 var(--space-4);
    border: 0;
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
}
.neo-dialog-cancel {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.neo-dialog-confirm {
    background: var(--text-primary);
    color: var(--bg-main);
}

.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    z-index: 20000;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
}
.modal-overlay.show {
    display: flex;
    animation: fadeInModal var(--transition-fast) ease forwards;
}
@keyframes fadeInModal {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}
.modal-card {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: var(--bg-main);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 28px 24px 24px 24px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}
.modal-close-btn {
    position: absolute;
    top: 14px;
    right: 16px;
    background: transparent;
    border: none;
    font-size: 22px;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-fast);
}
.modal-close-btn:hover {
    color: var(--text-primary);
}
.modal-header {
    text-align: center;
    margin-bottom: 22px;
}
.pro-sparkle-badge {
    width: 46px;
    height: 46px;
    margin: 0 auto 12px auto;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    color: var(--focus-ring);
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.modal-header p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.4;
}
.modal-features-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 26px;
}
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.feature-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-hover);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.feature-text strong {
    display: block;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}
.feature-text small {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.modal-footer-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.upgrade-btn-primary {
    width: 100%;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.upgrade-btn-primary:hover {
    opacity: 0.92;
}
.upgrade-btn-secondary {
    width: 100%;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}
.upgrade-btn-secondary:hover {
    color: var(--text-primary);
}

.neo-settings-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 19000;
    background: rgba(0, 0, 0, 0.34);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 22px;
    align-items: center;
    justify-content: center;
}
.neo-settings-overlay.show {
    display: flex;
    animation: settingsFadeIn var(--transition-fast) ease forwards;
}
@keyframes settingsFadeIn {
    from { opacity: 0; transform: scale(0.985); }
    to { opacity: 1; transform: scale(1); }
}
.neo-settings-modal {
    width: min(860px, 100%);
    height: min(720px, calc(100vh - 44px));
    background: var(--bg-main);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
    overflow: hidden;
    display: grid;
    grid-template-columns: 224px 1fr;
}
.neo-settings-sidebar {
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-subtle);
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}
.neo-settings-close {
    width: var(--button-height);
    height: var(--button-height);
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: grid;
    place-items: center;
    margin-bottom: var(--space-2);
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.neo-settings-close:hover {
    background: var(--bg-hover);
}
.neo-settings-tab {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-3);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 14px;
    text-align: left;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.neo-settings-tab:hover {
    background: var(--bg-hover);
}
.neo-settings-tab.active {
    background: var(--bg-active);
    font-weight: 600;
}
.neo-settings-content {
    padding: 22px;
    overflow: auto;
}
.neo-settings-panel {
    display: none;
}
.neo-settings-panel.active {
    display: block;
}
.neo-settings-panel h2 {
    font-size: 22px;
    line-height: 1.2;
    font-weight: 650;
    margin-bottom: 22px;
    letter-spacing: -0.03em;
}
.settings-subtitle {
    color: var(--text-muted);
    font-size: 13px;
    margin: -12px 0 18px;
}
.settings-row {
    min-height: 74px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: var(--space-4) 0;
}
.settings-row:last-child {
    border-bottom: 1px solid var(--border-subtle);
}
.settings-row strong {
    display: block;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-primary);
}
.settings-row small {
    display: block;
    font-size: 12.5px;
    color: var(--text-muted);
    margin-top: 4px;
    line-height: 1.35;
}
.settings-pill-btn,
.settings-status-pill {
    border: 1px solid var(--border-subtle);
    background: var(--bg-sidebar);
    color: var(--text-primary);
    border-radius: 999px;
    padding: var(--space-2) var(--space-3);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    min-height: var(--button-height);
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease;
}
.settings-pill-btn {
    cursor: pointer;
}
.settings-pill-btn:hover {
    background: var(--bg-hover);
}
.settings-status-pill {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.16);
}
.profile-editor-card {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 18px;
    padding: 18px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-sidebar);
}
.profile-editor-avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: var(--bg-hover);
    color: var(--text-primary);
    display: grid;
    place-items: center;
    font-size: 24px;
    font-weight: 700;
    background-size: cover;
    background-position: center;
    border: 1px solid var(--border-subtle);
    overflow: hidden;
}
.profile-editor-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.profile-editor-main label {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-muted);
}
.profile-editor-main input {
    width: 100%;
    min-height: var(--button-height);
    border: 1px solid var(--border-subtle);
    background: var(--bg-main);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: 0 var(--space-3);
    font-size: 14px;
    outline: none;
}
.profile-editor-main input:focus {
    border-color: var(--focus-ring);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}
.profile-editor-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-top: var(--space-1);
}
.settings-primary-btn,
.settings-ghost-btn {
    border: none;
    border-radius: var(--radius-md);
    min-height: var(--button-height);
    padding: 0 14px;
    font-size: 13.5px;
    font-weight: 650;
    cursor: pointer;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.settings-primary-btn {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    color: #ffffff;
}
.settings-primary-btn:hover {
    opacity: 0.92;
}
.settings-ghost-btn {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.settings-ghost-btn:hover {
    filter: brightness(0.98);
}
.settings-helper-text {
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.35;
}
.notification-center {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.notification-empty-state {
    min-height: 170px;
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-sidebar);
    color: var(--text-muted);
    display: grid;
    place-items: center;
    text-align: center;
    padding: 22px;
}
.notification-empty-state strong {
    color: var(--text-primary);
    font-size: 14px;
    margin-top: var(--space-2);
}
.notification-empty-state small {
    max-width: 320px;
    font-size: 12.5px;
    line-height: 1.4;
}
.notification-item {
    border: 1px solid var(--border-subtle);
    background: var(--bg-sidebar);
    border-radius: var(--radius-xl);
    padding: var(--space-3);
    display: flex;
    gap: var(--space-3);
}
.notification-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3b82f6;
    margin-top: var(--space-1);
    flex-shrink: 0;
}
.notification-item strong {
    display: block;
    font-size: 13.5px;
    color: var(--text-primary);
}
.notification-item small {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--space-1);
    line-height: 1.35;
}

/* PERSONALITIES */
.personality-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
}
.personality-card {
    border: 1px solid var(--border-subtle);
    background: var(--bg-sidebar);
    color: var(--text-primary);
    border-radius: var(--radius-xl);
    min-height: 122px;
    padding: var(--space-3);
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        border-color var(--transition-fast) ease;
}
.personality-card:hover {
    transform: translateY(-1px);
    background: var(--bg-hover);
}
.personality-card.active {
    border-color: rgba(59, 130, 246, 0.55);
    background: rgba(59, 130, 246, 0.08);
}
.personality-avatar {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: grid;
    place-items: center;
    font-size: 18px;
    background: var(--bg-hover);
}
.personality-avatar i {
    width: 20px;
    height: 20px;
}
.personality-card strong {
    font-size: 13.5px;
    font-weight: 700;
}
.personality-card small {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.3;
}
.pro-personality {
    position: relative;
}
.pro-personality::after {
    content: "PRO";
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    color: #7c3aed;
    background: rgba(124, 58, 237, 0.12);
    border-radius: 999px;
    padding: var(--space-1) var(--space-1);
}
body.dark-mode .neo-settings-overlay {
    background: rgba(0, 0, 0, 0.52);
}
body.dark-mode .settings-status-pill {
    color: #34d399;
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.2);
}
body.dark-mode .personality-card.active {
    background: rgba(96, 165, 250, 0.12);
    border-color: rgba(96, 165, 250, 0.48);
}

/* TOOLTIP */
.neo-tooltip {
    --neo-tooltip-arrow-x: 50%;
    position: fixed;
    z-index: 70000;
    max-width: min(280px, calc(100vw - 20px));
    min-height: 30px;
    padding: var(--space-1) var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(30, 30, 30, 0.96);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1.35;
    letter-spacing: -0.01em;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(3px) scale(0.97);
    transform-origin: center bottom;
    transition:
        opacity var(--transition-fast) ease,
        visibility var(--transition-fast) ease,
        transform var(--transition-fast) ease;
}
.neo-tooltip.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}
.neo-tooltip-text {
    display: block;
    overflow-wrap: anywhere;
    text-align: center;
}
.neo-tooltip-arrow {
    position: absolute;
    left: var(--neo-tooltip-arrow-x);
    bottom: -5px;
    width: 9px;
    height: 9px;
    background: rgba(30, 30, 30, 0.96);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transform: translateX(-50%) rotate(45deg);
}
.neo-tooltip.is-bottom {
    transform-origin: center top;
}
.neo-tooltip.is-bottom .neo-tooltip-arrow {
    top: -5px;
    bottom: auto;
    border-right: 0;
    border-bottom: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
body.dark-mode .neo-tooltip {
    background: rgba(52, 52, 52, 0.98);
    border-color: rgba(255, 255, 255, 0.1);
}
body.dark-mode .neo-tooltip-arrow {
    background: rgba(52, 52, 52, 0.98);
}
button:disabled[data-tooltip],
button:disabled[title] {
    pointer-events: auto;
}
@media (prefers-reduced-motion: reduce) {
    .neo-tooltip { transition: none; }
}

/* UNIFIED ICON WRAPPERS */
.icon-btn,
.neo-settings-close {
    width: var(--button-height);
    height: var(--button-height);
    padding: 0 !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-muted);
    appearance: none;
    -webkit-appearance: none;
    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}
.icon-btn:hover,
.neo-settings-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.icon-btn:active,
.neo-settings-close:active {
    transform: scale(0.96);
}
.icon-btn svg,
.neo-settings-close svg {
    width: 18px !important;
    height: 18px !important;
}

/* Small secondary action icons: keep visual size small, but expand touch area on mobile */
.msg-action-btn,
.user-action-btn,
.history-three-dot,
.neo-toast-close {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    padding: 0 !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: 0 !important;
    border-radius: var(--radius-md) !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    appearance: none !important;
    -webkit-appearance: none !important;
    transition:
        background-color var(--transition-fast) ease !important,
        color var(--transition-fast) ease !important,
        transform var(--transition-fast) ease !important,
        opacity var(--transition-fast) ease !important;
}
.msg-action-btn:hover,
.user-action-btn:hover,
.history-three-dot:hover,
.neo-toast-close:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}
.msg-action-btn:active,
.user-action-btn:active,
.history-three-dot:active,
.neo-toast-close:active {
    transform: scale(0.95);
}
.msg-action-btn svg,
.user-action-btn svg,
.history-three-dot svg,
.neo-toast-close svg {
    width: 16px !important;
    height: 16px !important;
    margin: 0 !important;
}
.icon-btn:focus-visible,
.attach-btn:focus-visible,
.mic-btn:focus-visible,
.stop-recording-btn:focus-visible,
.send-btn:focus-visible,
.msg-action-btn:focus-visible,
.user-action-btn:focus-visible,
.history-three-dot:focus-visible {
    outline: 2px solid var(--focus-ring) !important;
    outline-offset: 2px !important;
}

/* RESPONSIVE */
@media (max-width: 760px) {
    .neo-settings-overlay {
        padding: var(--space-3);
        align-items: stretch;
    }
    .neo-settings-modal {
        height: calc(100vh - 20px);
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        border-radius: var(--radius-xl);
    }
    .neo-settings-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        flex-direction: row;
        overflow-x: auto;
        padding: var(--space-3);
        gap: var(--space-1);
    }
    .neo-settings-close {
        flex: 0 0 var(--button-height);
        margin: 0;
    }
    .neo-settings-tab {
        flex: 0 0 auto;
        width: auto;
        white-space: nowrap;
    }
    .neo-settings-content {
        padding: 18px;
    }
    .profile-editor-card {
        grid-template-columns: 1fr;
    }
    .personality-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 520px) {
    .top-bar {
        padding: 0 var(--space-3);
    }
    .scroll-area {
        padding: var(--space-3) var(--space-4) 170px;
    }
    .hero-section {
        padding: 44px 0 24px 0;
    }
    .hero-section h1 {
        font-size: 23px;
    }
    .starter-grid {
        grid-template-columns: 1fr;
    }
    .composer-dock {
        padding: var(--space-3) var(--space-3) var(--space-4) var(--space-3);
    }
    .message.user .message-wrapper {
        max-width: 88%;
    }
    .message-media-grid img {
        max-width: 280px;
        max-height: 240px;
    }
    .attachment-preview-card {
        width: 170px !important;
        min-width: 170px !important;
        height: 52px !important;
    }
    .history-three-dot {
        opacity: 1;
        pointer-events: auto;
    }

    /* Expand touch targets for small action icons on mobile */
    .msg-action-btn,
    .user-action-btn,
    .history-three-dot {
        min-width: var(--button-height) !important;
        min-height: var(--button-height) !important;
        width: var(--button-height) !important;
        height: var(--button-height) !important;
    }
}

@media (max-width: 420px) {
    .neo-settings-overlay {
        padding: 0;
    }
    .neo-settings-modal {
        height: 100vh;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    .personality-grid {
        grid-template-columns: 1fr;
    }
}

/* KATEX MATHEMATICS */
.message-content .katex {
    color: var(--text-primary);
    font-size: 1.03em;
}
.message-content .katex-display {
    width: 100%;
    max-width: 100%;
    margin: 18px 0;
    padding: 15px 18px;
    overflow-x: auto;
    overflow-y: hidden;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    background: var(--bg-sidebar);
    text-align: center;
}
.message-content .katex-display > .katex {
    white-space: nowrap;
}
@media (max-width: 767px) {
    .message-content .katex-display {
        margin: 14px 0;
        padding: 13px 12px;
        text-align: left;
    }
}

/* SOURCE PILLS */
.neo-source-pills {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2) var(--space-3);
    margin-top: 14px;
    padding: var(--space-3) 0 var(--space-1);
    border-top: 1px solid var(--border-subtle);
}
.neo-source-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.02em;
    margin-right: var(--space-1);
}
.neo-source-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3) var(--space-1) 14px;
    border-radius: 999px;
    background: var(--bg-hover);
    color: var(--text-primary);
    font-size: 12.5px;
    font-weight: 500;
    text-decoration: none;
    transition:
        background-color var(--transition-fast) ease,
        transform var(--transition-fast) ease;
    border: 1px solid var(--border-subtle);
    line-height: 1.4;
    max-width: 240px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.neo-source-pill:hover {
    background: var(--bg-active);
    transform: translateY(-1px);
    border-color: var(--text-muted);
}
.neo-source-pill:active {
    transform: scale(0.97);
}
.neo-source-arrow {
    font-size: 11px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
    margin-left: var(--space-1);
}
.neo-source-pill:hover .neo-source-arrow {
    opacity: 1;
}
body.dark-mode .neo-source-pill {
    background: var(--bg-sidebar);
    border-color: var(--border-subtle);
}
body.dark-mode .neo-source-pill:hover {
    background: var(--bg-hover);
}
@media (max-width: 520px) {
    .neo-source-pills {
        gap: var(--space-1) var(--space-3);
        padding-top: var(--space-2);
    }
    .neo-source-pill {
        font-size: 12px;
        padding: var(--space-1) var(--space-3) var(--space-1) 12px;
        max-width: 180px;
    }
    .neo-source-label {
        font-size: 11px;
    }
}

/* =========================================================
   NEO COMPOSER — MINIMAL iOS-INSPIRED FINAL
   ========================================================= */

.composer-dock {
    padding:
        var(--space-3)
        var(--space-5)
        calc(var(--space-3) + env(safe-area-inset-bottom));

    background:
        linear-gradient(
            to top,
            var(--bg-main) 72%,
            color-mix(in srgb, var(--bg-main) 82%, transparent) 88%,
            transparent
        );
}

.composer-wrapper {
    width: 100%;
    max-width: 760px;
    margin-inline: auto;
}

/* Suggestions above composer */
.live-suggestions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    padding: 0 var(--space-2);
    overflow-x: auto;
    scrollbar-width: none;
}

.live-suggestions::-webkit-scrollbar {
    display: none;
}

.suggestion-chip {
    min-height: 38px;
    padding: 0 var(--space-4);
    flex: 0 0 auto;

    border: 1px solid
        color-mix(
            in srgb,
            var(--border-subtle) 78%,
            transparent
        );

    border-radius: 9999px;

    background:
        color-mix(
            in srgb,
            var(--bg-main) 82%,
            transparent
        );

    color: var(--text-primary);

    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);

    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.03),
        0 4px 14px rgba(0, 0, 0, 0.035);

    font-size: 13px;
    font-weight: 500;
    letter-spacing: -0.01em;

    transition:
        background-color var(--transition-fast) ease,
        border-color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}

.suggestion-chip:hover {
    background: var(--bg-hover);
    border-color: var(--border-subtle);
}

.suggestion-chip:active {
    transform: scale(0.98);
}

/* Main composer pill */
.glass-input-container {
    width: 100%;
    min-height: var(--composer-height);

    padding: 6px 8px;

    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-1);

    overflow: hidden;

    border: 1px solid
        color-mix(
            in srgb,
            var(--border-subtle) 82%,
            transparent
        );

    border-radius: 9999px;

    background:
        color-mix(
            in srgb,
            var(--bg-main) 78%,
            transparent
        );

    backdrop-filter:
        blur(24px)
        saturate(155%);

    -webkit-backdrop-filter:
        blur(24px)
        saturate(155%);

    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 8px 28px rgba(0, 0, 0, 0.065),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);

    transition:
        border-color var(--transition-fast) ease,
        box-shadow var(--transition-fast) ease,
        background-color var(--transition-fast) ease;
}

.glass-input-container:focus-within {
    border-color:
        color-mix(
            in srgb,
            var(--text-primary) 18%,
            var(--border-subtle)
        );

    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.04),
        0 10px 34px rgba(0, 0, 0, 0.085),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

/* Multi-line / attachment state */
.glass-input-container.is-expanded,
.glass-input-container:has(
    .attached-chips-wrapper:not(:empty)
) {
    border-radius: 26px;
    padding-top: var(--space-2);
}

/* Composer controls row */
.composer-input-row {
    width: 100%;
    min-height: 44px;

    display: flex;
    align-items: flex-end;
    gap: var(--space-1);
}

/* Input */
textarea#chatInput {
    flex: 1;
    min-width: 0;
    min-height: 40px;
    max-height: 160px;

    padding:
        9px
        var(--space-2)
        8px;

    margin: 0;

    border: 0;
    outline: 0;
    resize: none;

    background: transparent;
    color: var(--text-primary);

    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Text",
        "Segoe UI",
        sans-serif;

    font-size: 15px;
    font-weight: 400;
    line-height: 1.45;
    letter-spacing: -0.012em;

    box-shadow: none;
}

textarea#chatInput::placeholder {
    color:
        color-mix(
            in srgb,
            var(--text-muted) 88%,
            transparent
        );

    opacity: 1;
}

/* Shared composer icon buttons */
.attach-btn,
.mic-btn,
.stop-recording-btn,
.send-btn {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;

    padding: 0 !important;
    margin: 0 !important;

    flex: 0 0 40px;

    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    align-self: flex-end !important;

    border: 0 !important;
    border-radius: 9999px !important;

    outline: 0 !important;
    box-shadow: none !important;

    cursor: pointer;

    transition:
        background-color var(--transition-fast) ease,
        color var(--transition-fast) ease,
        transform var(--transition-fast) ease,
        opacity var(--transition-fast) ease;
}

/* Attach and microphone */
.attach-btn,
.mic-btn {
    background: transparent !important;
    color: var(--text-primary) !important;
}

.attach-btn:hover,
.mic-btn:hover {
    background: var(--bg-hover) !important;
}

.attach-btn:active,
.mic-btn:active {
    transform: scale(0.94);
}

.attach-btn svg,
.attach-btn i,
.mic-btn svg,
.mic-btn i {
    width: var(--icon-md) !important;
    height: var(--icon-md) !important;
    stroke-width: 1.8px !important;
    transform: none !important;
}

/* Send button */
.send-btn {
    background: var(--text-primary) !important;
    color: var(--bg-main) !important;

    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.12) !important;
}

.send-btn:hover:not(:disabled) {
    opacity: 0.88;
    transform: scale(0.96);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.92);
}

.send-btn:disabled {
    opacity: 0.28;
    cursor: default;
    box-shadow: none !important;
}

.send-btn svg,
.send-btn i {
    width: 18px !important;
    height: 18px !important;
    stroke-width: 2px !important;
}

/* Attachment previews */
.attached-chips-wrapper {
    width: 100%;

    display: flex;
    flex-wrap: nowrap;

    gap: var(--space-2);

    padding:
        var(--space-1)
        var(--space-1)
        var(--space-2);

    overflow-x: auto;
    overflow-y: hidden;

    scrollbar-width: none;
}

.attached-chips-wrapper::-webkit-scrollbar {
    display: none;
}

.attached-chips-wrapper:empty {
    display: none !important;
}

.attachment-preview-card {
    min-width: 176px !important;
    width: 176px !important;
    height: 54px !important;

    padding:
        6px
        32px
        6px
        6px !important;

    border:
        1px solid
        color-mix(
            in srgb,
            var(--border-subtle) 86%,
            transparent
        ) !important;

    border-radius: var(--radius-lg) !important;

    background:
        color-mix(
            in srgb,
            var(--bg-main) 70%,
            transparent
        ) !important;

    box-shadow: none !important;
}

.attachment-preview-card img {
    width: 42px !important;
    height: 42px !important;

    border-radius: 10px !important;
    object-fit: cover;
}

.attachment-remove-btn {
    right: 7px !important;

    width: 24px !important;
    height: 24px !important;

    border-radius: 9999px !important;

    background:
        color-mix(
            in srgb,
            var(--bg-main) 82%,
            transparent
        ) !important;

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Note beneath composer */
.composer-note {
    margin-top: var(--space-2) !important;

    color: var(--text-muted) !important;

    font-size: 11.5px !important;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: -0.005em;

    opacity: 0.82;
}

/* Dark mode glass tuning */
body.dark-mode .glass-input-container {
    background:
        color-mix(
            in srgb,
            var(--bg-sidebar) 84%,
            transparent
        );

    border-color:
        color-mix(
            in srgb,
            var(--border-subtle) 90%,
            transparent
        );

    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.18),
        0 10px 32px rgba(0, 0, 0, 0.26),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.dark-mode .suggestion-chip {
    background:
        color-mix(
            in srgb,
            var(--bg-sidebar) 80%,
            transparent
        );
}

/* Mobile tuning */
@media (max-width: 767px) {
    .composer-dock {
        padding:
            var(--space-2)
            var(--space-3)
            calc(
                var(--space-2) +
                env(safe-area-inset-bottom)
            );
    }

    .composer-wrapper {
        max-width: none;
    }

    .live-suggestions {
        margin-bottom: var(--space-2);
        padding-inline: 0;
    }

    .suggestion-chip {
        min-height: 36px;
        padding-inline: var(--space-3);
        font-size: 12.5px;
    }

    .glass-input-container {
        min-height: 56px;
        padding: 6px;
    }

    textarea#chatInput {
        font-size: 16px;
        padding-inline: var(--space-2);
    }

    .attach-btn,
    .mic-btn,
    .stop-recording-btn,
    .send-btn {
        width: 42px !important;
        height: 42px !important;
        min-width: 42px !important;
        min-height: 42px !important;
        flex-basis: 42px;
    }

    .composer-note {
        display: none;
    }
}

@media (max-width: 390px) {
    .composer-dock {
        padding-inline: var(--space-2);
    }

    .glass-input-container {
        padding-inline: var(--space-1);
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .glass-input-container,
    .suggestion-chip,
    .attach-btn,
    .mic-btn,
    .stop-recording-btn,
    .send-btn {
        transition: none !important;
    }
}