/* =====================================================================
   G4F Chat — Modern UI Layer (chat-modern.css)
   Loaded after style.css. Pure progressive enhancement:
   every id, class and JS hook of the chat app is preserved.
   ===================================================================== */
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap");

/* ---------------------------------------------------------------------
   1. Design tokens — dark (default)
   --------------------------------------------------------------------- */
:root {
    /* Brand */
    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --accent-strong: #7c3aed;
    --accent-2: #d946ef;
    --accent-glow: rgba(139, 92, 246, 0.22);
    --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%);

    /* Surfaces */
    --background: #0b0a10;
    --surface-1: #12111a;
    --surface-2: #17161f;
    --surface-3: #201e2b;
    --glass: rgba(255, 255, 255, 0.04);
    --glass-strong: rgba(255, 255, 255, 0.07);
    --border-soft: rgba(255, 255, 255, 0.07);
    --border-strong: rgba(255, 255, 255, 0.13);

    /* Text */
    --text-1: #f4f2fa;
    --text-2: #b8b2c9;
    --text-3: #7f7893;

    /* Shadows */
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.35), 0 6px 20px rgba(0, 0, 0, 0.28);
    --shadow-2: 0 12px 40px rgba(0, 0, 0, 0.45);
    --shadow-composer: 0 10px 32px rgba(0, 0, 0, 0.38);

    /* User bubble */
    --user-bubble-bg: linear-gradient(135deg, #7c3aed 0%, #c026d3 100%);
    --user-bubble-border: rgba(255, 255, 255, 0.14);

    /* Legacy token mapping */
    --colour-1: #12111a;
    --colour-2: #b8b2c9;
    --colour-3: #ece9f4;
    --colour-4: #f4f2fa;
    --colour-5: #201e2b;
    --colour-6: #2a2740;
    --blur-bg: rgba(255, 255, 255, 0.045);
    --blur-border: rgba(255, 255, 255, 0.09);
    --user-input: #8f86a8;
    --conversations: #b9a8e8;
    --conversations-hover: rgba(139, 92, 246, 0.13);
    --input-bg: #14131c;
    --button-hover: var(--surface-3);
    --scrollbar: transparent;
    --scrollbar-thumb: rgba(255, 255, 255, 0.14);

    /* Ambience */
    --opacity: 0.22;
    --size: 60vw;
    --border-radius-1: 12px;
    --border-radius-2: 20px;

    --chat-column: 840px;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------------------------------------------------------------------
   2. Design tokens — light theme
   --------------------------------------------------------------------- */
body.white {
    --accent: #7c3aed;
    --accent-hover: #6d28d9;
    --accent-strong: #6d28d9;
    --accent-glow: rgba(124, 58, 237, 0.16);
    --gradient-accent: linear-gradient(135deg, #7c3aed 0%, #c026d3 100%);

    --background: #f7f6fb;
    --surface-1: #ffffff;
    --surface-2: #ffffff;
    --surface-3: #f1eef8;
    --glass: rgba(20, 16, 40, 0.03);
    --glass-strong: rgba(20, 16, 40, 0.06);
    --border-soft: rgba(20, 16, 40, 0.09);
    --border-strong: rgba(20, 16, 40, 0.16);

    --text-1: #1a1626;
    --text-2: #4c4660;
    --text-3: #8b85a0;

    --shadow-1: 0 1px 2px rgba(20, 16, 40, 0.06), 0 6px 20px rgba(20, 16, 40, 0.08);
    --shadow-2: 0 12px 40px rgba(20, 16, 40, 0.14);
    --shadow-composer: 0 10px 30px rgba(20, 16, 40, 0.12);

    --user-bubble-bg: linear-gradient(135deg, #7c3aed 0%, #c026d3 100%);
    --user-bubble-border: rgba(255, 255, 255, 0.2);

    --colour-1: #ffffff;
    --colour-2: #4c4660;
    --colour-3: #221d31;
    --colour-4: #1a1626;
    --colour-5: #f1eef8;
    --colour-6: #e7e3f2;
    --blur-bg: rgba(255, 255, 255, 0.7);
    --blur-border: rgba(20, 16, 40, 0.1);
    --user-input: #8b85a0;
    --conversations: #6d28d9;
    --conversations-hover: rgba(124, 58, 237, 0.09);
    --input-bg: #ffffff;
    --button-hover: var(--surface-3);
    --scrollbar: transparent;
    --scrollbar-thumb: rgba(20, 16, 40, 0.18);
    --opacity: 0;
}

/* ---------------------------------------------------------------------
   3. Design tokens — liquid glass theme
   --------------------------------------------------------------------- */
body.liquid {
    --surface-1: rgba(255, 255, 255, 0.06);
    --surface-2: rgba(255, 255, 255, 0.08);
    --surface-3: rgba(255, 255, 255, 0.13);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-strong: rgba(255, 255, 255, 0.1);
    --border-soft: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.22);
    --input-bg: rgba(255, 255, 255, 0.07);
    --shadow-composer: 0 10px 32px rgba(0, 0, 0, 0.3);
}

body.liquid.white {
    --surface-1: rgba(255, 255, 255, 0.6);
    --surface-2: rgba(255, 255, 255, 0.7);
    --surface-3: rgba(255, 255, 255, 0.85);
    --border-soft: rgba(20, 16, 40, 0.1);
    --border-strong: rgba(20, 16, 40, 0.18);
    --input-bg: rgba(255, 255, 255, 0.6);
}

/* ---------------------------------------------------------------------
   4. Base
   --------------------------------------------------------------------- */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body:not(.white)::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(640px 420px at 86% -8%, rgba(139, 92, 246, 0.13), transparent 62%),
        radial-gradient(560px 420px at -12% 108%, rgba(217, 70, 239, 0.09), transparent 62%);
}

::selection {
    background: var(--accent-glow);
    color: var(--text-1);
}

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

input, select, textarea, button {
    accent-color: var(--accent);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) transparent;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 99px;
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
    background-clip: padding-box;
}

/* ---------------------------------------------------------------------
   5. Sidebar
   --------------------------------------------------------------------- */
.sidebar {
    background: color-mix(in srgb, var(--surface-1) 82%, transparent);
    backdrop-filter: blur(24px) saturate(140%);
    -webkit-backdrop-filter: blur(24px) saturate(140%);
    border-right: 1px solid var(--border-soft);
}

.sidebar-container {
    padding: 16px 12px 12px;
    gap: 2px;
}

.sidebar-header {
    padding: 2px 6px 14px;
}

.sidebar-logo {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-tier-info {
    background: var(--glass);
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    padding: 10px 12px;
    margin: 0 4px 12px;
}

.user-tier-info .tier-badge {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-2);
}

.user-tier-info .tier-badge i {
    color: var(--accent);
}

.user-tier-info .tier-limits {
    font-size: 11.5px;
    color: var(--text-3);
}

.sidebar .top {
    gap: 6px;
}

.sidebar .new_convo {
    border-radius: 12px;
    padding: 10px 12px;
    border-color: transparent;
    transition: background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.sidebar .top .new_convo:not(.private_conversation) {
    background: var(--gradient-accent);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.sidebar .top .new_convo:not(.private_conversation) span,
.sidebar .top .new_convo:not(.private_conversation) i {
    color: #ffffff;
}

.sidebar .top .new_convo:not(.private_conversation):hover {
    box-shadow: 0 6px 22px var(--accent-glow);
    filter: brightness(1.08);
    transform: translateY(-1px);
}

.sidebar .new_convo.private_conversation {
    background: transparent;
    border: 1px solid var(--border-soft);
}

.sidebar .new_convo.private_conversation:hover {
    background: var(--glass-strong);
    border-color: var(--border-strong);
    box-shadow: none;
}

.sidebar .convo {
    border-radius: 10px;
    padding: 9px 12px;
    border-color: transparent;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.sidebar .convo:hover {
    background: var(--glass-strong);
    border-color: transparent;
}

.sidebar .convo.active {
    background: var(--conversations-hover);
    border-color: transparent;
    box-shadow: inset 3px 0 0 var(--accent);
}

.sidebar .convo .convo-title {
    font-size: 13.5px;
    color: var(--text-2);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sidebar .convo:hover .convo-title,
.sidebar .convo.active .convo-title {
    color: var(--text-1);
}

.sidebar .convo .datetime {
    font-size: 10.5px;
    color: var(--text-3);
    flex-shrink: 0;
}

.sidebar .convo .left i {
    font-size: 13px;
    opacity: 0.75;
}

/* Addon panel — chip grid */
.addon-panel {
    margin-top: 10px;
}

.addon-panel-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
    padding: 0 6px 6px;
}

.addon-panel-item {
    border-radius: 10px;
    border-color: transparent;
    transition: background-color 0.16s ease;
}

.addon-panel-item:hover {
    background: var(--glass-strong);
    border-color: transparent;
}

.addon-panel-item i {
    color: var(--accent);
}

/* Bottom rows — quiet ghost rows */
.sidebar .bottom_buttons {
    gap: 2px;
}

.sidebar .bottom_buttons button,
.sidebar .bottom_buttons .info {
    border: none;
    background: transparent;
    border-radius: 10px;
    transition: background-color 0.16s ease;
}

.sidebar .bottom_buttons button:hover {
    background: var(--glass-strong);
}

.sidebar .bottom_buttons .info {
    cursor: default;
    padding: 7px 12px;
}

.sidebar .bottom_buttons .info .convo-title {
    color: var(--text-3);
    font-size: 12px;
}

.sidebar .bottom_buttons .info a {
    color: var(--text-2);
    text-decoration: none;
    transition: color 0.16s ease;
}

.sidebar .bottom_buttons .info a:hover {
    color: var(--accent);
}

.sidebar .bottom_buttons button span {
    font-size: 13.5px;
    color: var(--text-2);
}

.sidebar .bottom_buttons button:hover span {
    color: var(--text-1);
}

/* ---------------------------------------------------------------------
   6. Top panel
   --------------------------------------------------------------------- */
.chat-top-panel {
    padding: 10px 20px;
    background: color-mix(in srgb, var(--background) 62%, transparent);
    backdrop-filter: blur(20px) saturate(140%);
    -webkit-backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid var(--border-soft);
}

.chat-top-panel .convo-title {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-1);
}

.chat-top-panel .mobile-sidebar-toggle,
.chat-top-panel .new_convo_icon,
.chat-top-panel .show_log {
    border-radius: 10px;
    border-color: transparent;
    background: transparent;
    color: var(--text-2);
    transition: background-color 0.16s ease, color 0.16s ease;
}

.chat-top-panel .mobile-sidebar-toggle:hover,
.chat-top-panel .new_convo_icon:hover,
.chat-top-panel .show_log:hover {
    background: var(--glass-strong);
    color: var(--text-1);
}

/* System prompt bar */
#chatPrompt {
    min-height: 46px;
    height: 46px;
    padding: 12px 20px 12px 42px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-soft);
    border-radius: 0;
    font-size: 13px;
    color: var(--text-2);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    resize: none;
}

#chatPrompt::placeholder {
    color: var(--text-3);
}

#chatPrompt:focus {
    min-height: 120px;
    background: var(--glass);
    outline: none;
}

.slide-header {
    top: 56px;
    left: 10px;
    padding: 8px;
    color: var(--text-3);
}

.slide-header:hover {
    color: var(--text-1);
}

/* ---------------------------------------------------------------------
   7. Chat body & messages
   --------------------------------------------------------------------- */
.chat-body {
    padding: 18px max(16px, calc((100% - var(--chat-column)) / 2)) 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    scroll-behavior: smooth;
    scrollbar-gutter: stable;
}

.message {
    gap: 12px;
    padding: 8px 8px;
    border-radius: 16px;
}

.message:last-child {
    animation: message-in 0.3s ease;
}

@keyframes message-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
}

.message.regenerate {
    background-color: var(--glass);
}

.white .message.regenerate {
    background-color: var(--glass);
}

/* Avatars */
.message .user,
.message .assistant {
    width: 34px;
    height: 34px;
    max-width: 34px;
    max-height: 34px;
    min-width: 34px;
    min-height: 34px;
}

.message .user img,
.message .assistant img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    outline: none;
    border: 1px solid var(--border-strong);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.white .message .user img,
.white .message .assistant img {
    box-shadow: var(--shadow-1);
}

.message .user:after,
.message .assistant:after {
    content: none;
}

/* Avatar badges: direction + delete */
.message .user i,
.message .assistant i {
    border-radius: 50%;
}

.message .user .fa-phone-arrow-up-right,
.message .assistant .fa-phone-arrow-down-left {
    bottom: -3px;
    right: -3px;
    width: 17px;
    height: 17px;
    font-size: 9px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--surface-3);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    z-index: 1000;
}

.message .user .fa-xmark,
.message .assistant .fa-xmark {
    top: -3px;
    right: -3px;
    bottom: auto;
    left: auto;
    width: 17px;
    height: 17px;
    font-size: 10px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--surface-3);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    cursor: pointer;
    z-index: 1001;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.message .user:hover .fa-xmark,
.message .assistant:hover .fa-xmark {
    display: flex;
}

.message .user .fa-xmark:hover,
.message .assistant .fa-xmark:hover {
    background: #e5484d;
    border-color: #e5484d;
    color: #ffffff;
}

.white .message .assistant .fa-xmark,
.white .message .user .fa-xmark {
    color: var(--text-2);
}

/* Content column */
.message .content {
    flex: 1;
    min-width: 0;
    gap: 6px;
}

.message .content_inner,
.message .content_inner a:link,
.message .content_inner a:visited {
    font-size: 15px;
    line-height: 1.65;
}

/* User messages — right aligned accent bubble */
.message:has(> .user) {
    align-items: flex-end;
}

.message:has(> .user) .content {
    flex: 0 1 auto;
    max-width: min(80%, 640px);
    align-items: flex-end;
}

.message:has(> .user) .content_inner {
    background: var(--user-bubble-bg);
    border: 1px solid var(--user-bubble-border);
    color: #ffffff;
    padding: 11px 16px;
    border-radius: 20px 20px 6px 20px;
    box-shadow: 0 4px 16px var(--accent-glow);
    overflow-wrap: break-word;
}

.message:has(> .user) .content_inner a:link,
.message:has(> .user) .content_inner a:visited {
    color: #ffffff;
    text-decoration: underline;
}

@media only screen and (min-width: 40em) {
    .message {
        flex-direction: row;
        align-items: flex-start;
    }

    .message:has(> .user) {
        flex-direction: row-reverse;
    }
}

/* Provider chip */
.message .content .provider,
.message .content .provider a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
    background: var(--glass);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    padding: 3px 10px;
    width: fit-content;
    margin-bottom: 4px;
    text-decoration: none;
}

.message .content .provider a {
    color: var(--text-2);
    font-weight: 600;
    transition: color 0.15s ease;
}

.message .content .provider a:hover {
    color: var(--accent);
}

.message .content .provider .provider-routed {
    color: var(--accent-2);
}

/* Message action row */
.message .content .count {
    gap: 2px;
    opacity: 0.75;
    transition: opacity 0.2s ease;
}

.message:hover .content .count {
    opacity: 1;
}

.message .content .count span {
    font-size: 11.5px;
    color: var(--text-3);
    padding: 0 3px;
}

.message .count .fa-clipboard,
.message .count .fa-volume-high,
.message .count .fa-rotate,
.message .count .fa-print,
.message .count .fa-whatsapp {
    padding: 5px;
    border-radius: 7px;
    font-size: 12.5px;
    color: var(--text-3);
    transition: background-color 0.15s ease, color 0.15s ease;
}

.message .count .fa-clipboard:hover,
.message .count .fa-volume-high:hover,
.message .count .fa-rotate:hover,
.message .count .fa-print:hover,
.message .count .fa-whatsapp:hover {
    background: var(--glass-strong);
    color: var(--text-1);
}

.message .count .fa-clipboard.clicked,
.message .count .fa-print.clicked,
.message .count .fa-rotate.clicked,
.message .count .fa-volume-high.active {
    color: var(--accent);
}

/* Inline action buttons (continue / regenerate / edit / options) */
button.regenerate_button,
button.continue_button,
button.options_button,
.message .edit_button {
    border-radius: 999px;
    background: var(--glass);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    font-size: 12px;
    backdrop-filter: none;
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

button.regenerate_button:hover,
button.continue_button:hover,
button.options_button:hover,
.message .edit_button:hover {
    background: var(--glass-strong);
    border-color: var(--accent);
    color: var(--accent);
}

.message .edit_button.clicked,
.message .regenerate_button.clicked,
.message .continue_button.clicked {
    color: var(--accent);
    border-color: var(--accent);
}

/* Reasoning block */
.message .reasoning_title {
    color: var(--text-2);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.message .reasoning_title:hover {
    color: var(--text-1);
}

.message .reasoning_text {
    color: var(--text-2);
    font-size: 13.5px;
    line-height: 1.6;
}

.message .reasoning_text.final:not(.hidden) {
    border-bottom: 1px solid var(--border-soft);
    margin-bottom: 10px;
    padding-bottom: 10px;
}

/* Edit mode */
.message .edit_textarea {
    background: var(--glass);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 10px 14px;
    color: var(--text-1);
    font-size: 14px;
}

.message .edit_textarea:focus {
    border-color: var(--accent);
    outline: none;
}

/* Total token counter */
.chat-body .count_total {
    font-size: 11.5px;
    color: var(--text-3);
    text-align: center;
    padding: 6px 0 2px;
}

/* ---------------------------------------------------------------------
   8. Markdown content & code blocks
   --------------------------------------------------------------------- */
.message .content_inner code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: var(--glass-strong);
    border: 1px solid var(--border-soft);
    border-radius: 6px;
    padding: 1.5px 6px;
    color: var(--accent-hover);
}

.white .message .content_inner code {
    color: var(--accent-strong);
}

.message .content_inner pre {
    background: #0d0c14;
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    padding: 4px;
    overflow: hidden;
}

.white .message .content_inner pre {
    background: #16141f;
}

.message .content_inner pre code {
    background: transparent;
    border: none;
    padding: 12px 14px;
    display: block;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 13.5px;
    line-height: 1.6;
    color: #e9e9f4;
}

.hljs {
    border-radius: 10px;
    border: none;
    background: transparent;
    font-family: var(--font-mono);
}

.hljs-copy-wrapper {
    border-radius: 14px;
}

.hljs-copy-button {
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background-color: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.hljs-copy-button:hover {
    background-color: rgba(255, 255, 255, 0.16);
}

.message .content_inner blockquote {
    border-left: 3px solid var(--accent);
    background: var(--glass);
    border-radius: 0 10px 10px 0;
    padding: 8px 14px;
    color: var(--text-2);
    margin-bottom: 1em;
}

.message .content_inner table {
    display: block;
    overflow-x: auto;
    border-collapse: collapse;
    border: 1px solid var(--border-soft);
    border-radius: 10px;
    font-size: 13.5px;
    margin-bottom: 1em;
}

.message .content_inner th,
.message .content_inner td {
    border: none;
    border-bottom: 1px solid var(--border-soft);
    padding: 8px 12px;
    text-align: left;
}

.message .content_inner tr:last-child td {
    border-bottom: none;
}

.message .content_inner th {
    background: var(--glass);
    font-weight: 600;
    color: var(--text-1);
}

.message .content_inner img,
.message .content_inner video {
    border-radius: 14px;
    border: 1px solid var(--border-soft);
}

/* ---------------------------------------------------------------------
   9. Composer
   --------------------------------------------------------------------- */
.chat-footer {
    position: relative;
    padding: 4px max(16px, calc((100% - var(--chat-column)) / 2)) 14px;
    gap: 8px;
}

.input-area {
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    border-radius: 24px;
    box-shadow: var(--shadow-composer);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.input-area:focus-within {
    border-color: color-mix(in srgb, var(--accent) 55%, transparent);
    box-shadow: 0 0 0 3px var(--accent-glow), var(--shadow-composer);
}

#userInput {
    width: 100%;
    height: auto;
    min-height: 118px;
    padding: 16px 18px 56px;
    background: transparent;
    border: none;
    border-radius: 24px;
    color: var(--text-1);
    font-size: 15px;
    line-height: 1.55;
}

#userInput:focus {
    outline: none;
}

#userInput::placeholder {
    color: var(--text-3);
}

/* Composer icon row (bottom left) */
.file-label,
.micro-label,
.code {
    top: auto;
    bottom: 11px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 10px;
    border: none;
    background: transparent;
    color: var(--text-3);
    font-size: 15px;
    cursor: pointer;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.file-label:hover,
.micro-label:hover {
    background: var(--glass-strong);
    color: var(--text-1);
}

.file-label:has(> input:valid),
.file-label.selected,
.micro-label.recognition {
    color: var(--accent);
}

.file-label {
    left: 10px;
}

label.image-label {
    top: auto;
    left: 46px;
    bottom: 11px;
}

label[for="micro"] {
    top: auto;
    left: 82px;
    bottom: 11px;
}

.code {
    left: 118px;
    bottom: 11px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
}

.code:hover {
    background: var(--glass-strong);
    border: none;
    color: var(--text-1);
}

.code:active {
    transform: scale(0.94);
}

/* Send buttons — circular, bottom right */
.chat-footer .send-buttons {
    position: absolute;
    right: 11px;
    bottom: 11px;
    flex-direction: row;
    gap: 8px;
}

.chat-footer .send-buttons button {
    width: 40px;
    height: 40px;
    padding: 0;
    margin: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    border: none;
    transition: filter 0.16s ease, transform 0.16s ease, background-color 0.16s ease;
}

.chat-footer .send-buttons button span {
    display: none;
}

.chat-footer .send-buttons button#addButton {
    background: var(--glass-strong);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    box-shadow: none;
}

.chat-footer .send-buttons button#sendButton,
.chat-footer .send-buttons button:last-child {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.chat-footer .send-buttons button#sendButton:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.chat-footer .send-buttons button#addButton:hover {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-1);
}

.chat-footer .send-buttons button:active {
    transform: scale(0.94);
}

/* Media select — quick action row above composer */
.media-select {
    gap: 8px;
    padding: 2px 4px;
}

.media-select label,
.media-select img,
.media-select button {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-1);
}

.media-select label:hover,
.media-select button:hover {
    background: var(--surface-3);
    border-color: var(--border-strong);
    transform: translateY(-1px);
}

.media-select .capture-audio,
.media-select .add-link {
    width: 40px;
}

.media-select .add-link {
    padding: 0;
}

.media-select button.close {
    height: 40px;
    width: 40px;
    padding: 0;
}

/* Audio player bar */
.media-player {
    border-radius: 14px;
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-1);
}

/* ---------------------------------------------------------------------
   10. Toolbar (stop / regenerate) & controls row
   --------------------------------------------------------------------- */
.chat-toolbar {
    min-height: 34px;
}

.chat-toolbar .regenerate {
    position: absolute;
    top: 0;
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

.stop_generating button,
.chat-toolbar .regenerate button {
    border-radius: 999px;
    padding: 8px 18px;
    background: color-mix(in srgb, var(--surface-2) 88%, transparent);
    border: 1px solid var(--border-strong);
    color: var(--text-1);
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-2);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    gap: 8px;
}

.stop_generating button:hover,
.chat-toolbar .regenerate button:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.stop_generating button i {
    animation: pulse 1.6s ease infinite;
}

.chat-toolbar .hide-input {
    border-radius: 8px;
    padding: 4px 6px;
    transition: background-color 0.16s ease;
}

.chat-toolbar .hide-input:hover {
    background: var(--glass-strong);
}

#input-count {
    font-size: 11.5px;
    color: var(--text-3);
}

/* Model / provider controls */
.chat-buttons {
    gap: 2px;
}

.chat-buttons select,
.chat-buttons #model-search {
    appearance: none;
    -webkit-appearance: none;
    border-radius: 999px;
    padding: 8px 32px 8px 14px;
    background-color: var(--surface-2);
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237f7893' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    border: 1px solid var(--border-soft);
    color: var(--text-1);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.16s ease, background-color 0.16s ease;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

body.white .chat-buttons select,
body.white .chat-buttons #model-search {
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234c4660' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

.chat-buttons select:hover,
.chat-buttons select:focus,
.chat-buttons #model-search:hover,
.chat-buttons #model-search:focus {
    border-color: var(--accent);
    outline: none;
}

.chat-buttons button {
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.chat-buttons button:hover {
    background: var(--surface-3);
    border-color: var(--border-strong);
    color: var(--text-1);
}

.chat-buttons button.pinned,
.chat-buttons button.pinned i,
.chat-buttons button.pinned span {
    color: var(--accent);
    border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

#search.active {
    outline: none;
    background-color: var(--conversations-hover) !important;
    border-color: var(--accent);
    color: var(--accent);
}

/* Model suggestions dropdown */
.suggestions-dropdown {
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    overflow: hidden;
}

.suggestion-item {
    padding: 10px 14px;
    transition: background-color 0.14s ease;
}

.suggestion-item:hover {
    background: var(--glass-strong);
}

.provider-tag {
    background: var(--glass-strong);
    border: 1px solid var(--border-soft);
    border-radius: 999px;
    font-size: 10.5px;
    padding: 2px 8px;
    color: var(--text-3);
}

/* Follow-up suggestion chips */
.suggestions {
    gap: 8px;
    padding: 8px 8px 4px;
}

.suggestions .suggestion {
    border-radius: 999px;
    padding: 9px 16px;
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    font-size: 13px;
    color: var(--text-2);
    box-shadow: var(--shadow-1);
    transition: border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.suggestions .suggestion:hover {
    border-color: var(--accent);
    color: var(--text-1);
    transform: translateY(-1px);
}

.suggestions .suggestion i {
    color: var(--accent);
    font-size: 11px;
}

/* ---------------------------------------------------------------------
   11. Empty state & scroll-to-bottom
   --------------------------------------------------------------------- */
.chat-empty-state {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 20px 210px;
    pointer-events: none;
}

.chat-empty-state.hidden {
    display: none;
}

.empty-state-content {
    pointer-events: auto;
    max-width: 640px;
}

.empty-state-icon {
    animation: none;
    margin-bottom: 18px;
}

.empty-state-icon img {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 10px 28px var(--accent-glow));
}

body:not(.no-animations) .empty-state-icon img {
    animation: empty-float 5s ease-in-out infinite;
}

@keyframes empty-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

.empty-state-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    background: linear-gradient(120deg, var(--text-1) 30%, var(--accent-hover) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.empty-state-subtitle {
    font-size: 15px;
    color: var(--text-2);
    margin-bottom: 28px;
}

.empty-state-suggestions {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 0;
}

.suggestion-card {
    background: var(--surface-2);
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    padding: 18px 14px;
    box-shadow: var(--shadow-1);
    transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.suggestion-card:hover {
    border-color: color-mix(in srgb, var(--accent) 55%, transparent);
    transform: translateY(-3px);
    box-shadow: 0 10px 28px var(--accent-glow);
}

.suggestion-card i {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: #ffffff;
    background: var(--gradient-accent);
    box-shadow: 0 4px 14px var(--accent-glow);
    margin-bottom: 2px;
}

.suggestion-card span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
}

.suggestion-card small {
    font-size: 12px;
    color: var(--text-3);
    line-height: 1.4;
}

.scroll-bottom-btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 178px;
    z-index: 6;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    color: var(--text-2);
    box-shadow: var(--shadow-2);
    cursor: pointer;
    transition: color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.scroll-bottom-btn:hover {
    color: var(--text-1);
    border-color: var(--accent);
    transform: translateX(-50%) translateY(-2px);
}

.scroll-bottom-btn.hidden {
    display: none;
}

/* ---------------------------------------------------------------------
   12. Settings & log polish
   --------------------------------------------------------------------- */
.settings {
    background: color-mix(in srgb, var(--background) 88%, transparent);
    backdrop-filter: blur(28px) saturate(140%);
    -webkit-backdrop-filter: blur(28px) saturate(140%);
}

.settings .paper {
    max-width: 780px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px 48px;
}

.settings-top-bar,
.log-top-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: color-mix(in srgb, var(--background) 80%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-soft);
}

.settings-top-bar h2,
.log-top-bar h2 {
    font-size: 17px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.settings-tabs {
    gap: 4px;
    padding: 4px;
    background: var(--glass);
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    margin: 16px auto;
}

.settings-tab {
    border-radius: 10px;
    padding: 8px 14px;
    color: var(--text-2);
    white-space: nowrap;
    transition: background-color 0.16s ease, color 0.16s ease;
}

.settings-tab:hover {
    background: var(--glass-strong);
    color: var(--text-1);
}

.settings-tab.active {
    background: var(--surface-3);
    color: var(--text-1);
    box-shadow: var(--shadow-1);
}

.settings-tab.active i {
    color: var(--accent);
}

.settings .field {
    padding: 4px 0;
}

.settings .label,
form .label {
    color: var(--text-1);
    font-weight: 500;
}

.settings .bottom_buttons button {
    border-radius: 12px;
    background: var(--glass);
    border: 1px solid var(--border-soft);
    color: var(--text-2);
    transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.settings .bottom_buttons button:hover {
    background: var(--glass-strong);
    border-color: var(--border-strong);
    color: var(--text-1);
}

.cloud-sync-btn {
    border-radius: 12px;
}

.log {
    background: color-mix(in srgb, var(--background) 88%, transparent);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
}

/* ---------------------------------------------------------------------
   13. Notifications
   --------------------------------------------------------------------- */
.notification {
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-2);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--text-1);
}

.notification.success {
    border-color: color-mix(in srgb, #30a46c 50%, transparent);
}

.notification.error {
    border-color: color-mix(in srgb, #e5484d 50%, transparent);
}

/* ---------------------------------------------------------------------
   14. Responsive
   --------------------------------------------------------------------- */
@media only screen and (max-width: 640px) {
    .chat-body {
        padding: 12px 10px 4px;
    }

    .message {
        padding: 6px 4px;
        gap: 10px;
    }

    .message .user,
    .message .assistant {
        width: 30px;
        height: 30px;
        max-width: 30px;
        max-height: 30px;
        min-width: 30px;
        min-height: 30px;
    }

    .message:has(> .user) .content {
        max-width: 88%;
    }

    .chat-footer {
        padding: 2px 10px 10px;
    }

    #userInput {
        min-height: 108px;
        padding: 14px 14px 52px;
    }

    .file-label,
    .micro-label,
    .code,
    label.image-label,
    label[for="micro"] {
        bottom: 9px;
    }

    .file-label { left: 7px; }
    label.image-label { left: 40px; }
    label[for="micro"] { left: 73px; }
    .code { left: 106px; }

    .chat-footer .send-buttons {
        right: 8px;
        bottom: 9px;
        gap: 6px;
    }

    .chat-footer .send-buttons button {
        width: 38px;
        height: 38px;
    }

    .scroll-bottom-btn {
        bottom: 205px;
    }

    .chat-empty-state {
        padding: 70px 14px 230px;
    }

    .empty-state-title {
        font-size: 24px;
    }

    .empty-state-suggestions {
        grid-template-columns: repeat(2, 1fr);
    }

    .chat-top-panel {
        padding: 8px 12px;
    }

    #chatPrompt {
        padding-left: 38px;
    }
}

@media only screen and (min-width: 40em) {
    .chat-body .count_total {
        text-align: left;
        padding-left: 46px;
    }
}

/* ---------------------------------------------------------------------
   15. Motion preferences
   --------------------------------------------------------------------- */
body.no-animations .message:last-child,
body.no-animations .empty-state-icon img,
body.no-animations .stop_generating button i {
    animation: none;
}

body.no-animations .suggestion-card,
body.no-animations .suggestions .suggestion,
body.no-animations .scroll-bottom-btn,
body.no-animations .chat-footer .send-buttons button {
    transition: none;
}

@media (prefers-reduced-motion: reduce) {
    .message:last-child,
    .empty-state-icon img,
    .stop_generating button i {
        animation: none !important;
    }

    .suggestion-card,
    .suggestions .suggestion,
    .scroll-bottom-btn,
    .chat-footer .send-buttons button,
    .input-area,
    .sidebar .convo {
        transition: none !important;
    }
}

/* ---------------------------------------------------------------------
   16. Print
   --------------------------------------------------------------------- */
@media print {
    .message:has(> .user) .content_inner {
        background: none;
        border: none;
        color: #000000;
        box-shadow: none;
        padding: 0;
    }

    .chat-empty-state,
    .scroll-bottom-btn {
        display: none !important;
    }
}