/*
 * Home workspace — Apple-inspired visual layer.
 * Visual rules only: no element visibility, IDs, state classes, or interaction
 * contracts are changed here. The original model-selection gradients are locked
 * at the end of the file.
 */

body.home-page {
    --home-canvas: #f5f5f7;
    --home-surface: rgba(255, 255, 255, .88);
    --home-surface-solid: #fff;
    --home-fill: rgba(118, 118, 128, .09);
    --home-fill-hover: rgba(118, 118, 128, .14);
    --home-separator: rgba(60, 60, 67, .12);
    --home-label: #1d1d1f;
    --home-secondary: #6e6e73;
    --home-tertiary: #8e8e93;
    --home-blue: #0071e3;
    --home-blue-strong: #0066cc;
    --home-green: #34c759;
    background:
        radial-gradient(circle at 56% 8%, rgba(0, 113, 227, .045), transparent 32%),
        var(--home-canvas);
    color: var(--home-label);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
    font-size: 15px;
    line-height: 1.47;
    letter-spacing: 0;
}

body.home-page button,
body.home-page input,
body.home-page textarea,
body.home-page select {
    font-family: inherit;
    letter-spacing: 0;
}

body.home-page ::-webkit-scrollbar { width: 6px; height: 6px; }
body.home-page ::-webkit-scrollbar-thumb { background: rgba(60, 60, 67, .22); border-radius: 999px; }

/* Balance notice */
body.home-page .admin-balance-banner {
    min-height: 42px;
    padding: 8px 52px 8px 24px;
    border: 0;
    border-bottom: 1px solid rgba(255, 149, 0, .2);
    background: rgba(255, 247, 235, .92);
    color: #7a4700;
    font-size: 13px;
    font-weight: 560;
    backdrop-filter: saturate(150%) blur(18px);
    -webkit-backdrop-filter: saturate(150%) blur(18px);
}
body.home-page .balance-banner-action {
    min-height: 30px;
    margin-left: 4px;
    padding: 5px 14px;
    border-radius: 999px;
    background: var(--home-blue);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    transition: transform 100ms ease, background-color 150ms ease;
}
body.home-page .balance-banner-action:hover { background: var(--home-blue-strong); opacity: 1; }
body.home-page .balance-banner-action:active { transform: scale(.96); }
body.home-page .admin-balance-banner-close {
    right: 18px;
    width: 28px;
    height: 28px;
    padding: 0;
    border-radius: 50%;
    color: #7a4700;
    font-size: 18px;
    transition: background-color 150ms ease, transform 100ms ease;
}
body.home-page .admin-balance-banner-close:hover { background: rgba(122, 71, 0, .08); }
body.home-page .admin-balance-banner-close:active { transform: translateY(-50%) scale(.92); }

/* Global chrome */
body.home-page .home-app-layout { isolation: isolate; }
body.home-page #menu-toggle,
body.home-page .icon-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid rgba(60, 60, 67, .08);
    border-radius: 50%;
    background: rgba(255, 255, 255, .78);
    color: #3a3a3c;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .025);
    backdrop-filter: saturate(150%) blur(16px);
    -webkit-backdrop-filter: saturate(150%) blur(16px);
    transition: background-color 150ms ease, color 150ms ease, transform 100ms ease;
}
body.home-page #menu-toggle { top: 16px; left: 18px; }
body.home-page .topbar { top: 16px; right: 18px; }
body.home-page .topbar-right { gap: 8px; }
body.home-page #menu-toggle:hover,
body.home-page .icon-btn:hover { background: #fff; color: var(--home-blue); }
body.home-page #menu-toggle:active,
body.home-page .icon-btn:active { transform: scale(.92); }
body.home-page #menu-toggle .material-symbols-outlined,
body.home-page .icon-btn .material-symbols-outlined { font-size: 21px; }

/* Left navigation */
body.home-page .sidebar-left {
    flex: 0 0 264px;
    width: 264px;
    max-width: 264px;
    padding: 72px 14px 16px;
    gap: 6px;
    border-right: 1px solid var(--home-separator);
    background: rgba(248, 248, 250, .82);
    backdrop-filter: saturate(145%) blur(24px);
    -webkit-backdrop-filter: saturate(145%) blur(24px);
}
body.home-page .sidebar-left .new-chat-btn {
    min-height: 44px;
    margin: 0;
    padding: 8px 12px;
    gap: 11px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: #515154;
    font-size: 14px;
    font-weight: 520;
    letter-spacing: 0;
    transition: background-color 150ms ease, color 150ms ease, transform 100ms ease;
}
body.home-page .sidebar-left .new-chat-btn .material-symbols-outlined {
    width: 24px;
    color: #6e6e73;
    font-size: 21px;
    text-align: center;
}
body.home-page .sidebar-left .new-chat-btn:hover {
    border: 0;
    background: var(--home-fill-hover);
    color: var(--home-label);
    letter-spacing: 0;
}
body.home-page .sidebar-left .new-chat-btn:active { transform: scale(.98); }
body.home-page .sidebar-left .enterprise-sidebar-entry {
    background: rgba(0, 113, 227, .1);
    color: var(--home-blue-strong);
}
body.home-page .sidebar-left .enterprise-sidebar-entry .material-symbols-outlined { color: var(--home-blue); }

body.home-page .mini-panels {
    min-height: 0;
    margin-top: 8px;
    gap: 10px;
}
body.home-page .mini-panel,
body.home-page #mini-trending-panel {
    padding: 12px;
    border: 1px solid var(--home-separator);
    border-radius: 16px;
    background: rgba(255, 255, 255, .72);
    box-shadow: none;
    transition: background-color 150ms ease, border-color 150ms ease;
}
body.home-page .mini-panel:hover,
body.home-page #mini-trending-panel:hover {
    border-color: rgba(60, 60, 67, .18);
    background: rgba(255, 255, 255, .9);
    box-shadow: none;
}
body.home-page #mini-trending-panel { flex: 0 1 316px; }
body.home-page .mini-panel-title,
body.home-page .mini-panel:hover .mini-panel-title {
    padding: 0 2px 6px;
    color: var(--home-label);
    font-size: 13px;
    font-weight: 620;
    letter-spacing: 0;
    text-shadow: none;
}
body.home-page .mini-panel-title .material-symbols-outlined,
body.home-page .mini-panel:hover .mini-panel-title .material-symbols-outlined {
    color: var(--home-blue);
    font-size: 19px;
    filter: none;
}
body.home-page .mini-public-profession,
body.home-page .mini-trending-sub { color: var(--home-tertiary); font-size: 10px; }
body.home-page .mini-public-msg,
body.home-page .mini-trending-item {
    border: 0;
    border-radius: 10px;
    background: var(--home-fill);
    box-shadow: none;
}
body.home-page .mini-public-msg.hover,
body.home-page .mini-trending-item:hover {
    border: 0;
    background: var(--home-fill-hover);
    box-shadow: none;
    transform: none;
}
body.home-page .mini-trending-container {
    border: 0;
    background: transparent;
    box-shadow: none;
    padding: 0;
}
body.home-page .mini-trending-list { gap: 4px; }
body.home-page .mini-trending-rank {
    background: rgba(52, 199, 89, .14);
    color: #248a3d;
}
body.home-page .mini-public-input {
    min-height: 42px;
    padding: 5px 5px 5px 10px;
    border: 1px solid var(--home-separator);
    border-radius: 12px;
    background: rgba(255, 255, 255, .78);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .02);
}
body.home-page .mini-public-input:focus-within {
    border-color: rgba(0, 113, 227, .5);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, .1);
}
body.home-page .mini-btn {
    min-width: 52px;
    min-height: 32px;
    border-radius: 9px;
    background: var(--home-blue);
    font-weight: 600;
    transition: background-color 150ms ease, transform 100ms ease;
}
body.home-page .mini-btn:hover { background: var(--home-blue-strong); transform: none; }
body.home-page .mini-btn:active { transform: scale(.96); }

/* Main canvas and empty state */
body.home-page .main-area {
    min-width: 0;
    background: transparent;
}
body.home-page .main-area.chat-empty {
    padding: 72px 36px 46px;
}
body.home-page .main-area.chat-empty .chat-container {
    width: min(100%, 860px);
    margin: 0 auto;
}
body.home-page .welcome-msg-box { opacity: 1; }
body.home-page .welcome-msg-box h1 {
    margin: 0;
    color: var(--home-label);
    font-size: clamp(32px, 3.2vw, 42px);
    font-weight: 680;
    line-height: 1.15;
    letter-spacing: 0;
}
body.home-page .welcome-msg-box br { display: none; }
body.home-page .welcome-msg-box p {
    margin: 14px 0 0;
    color: var(--home-secondary);
    font-size: 16px;
    line-height: 1.5;
}

/* Composer — one calm, tactile control */
body.home-page .input-area-wrapper {
    padding: 16px 32px 24px;
    background: linear-gradient(to top, var(--home-canvas) 58%, rgba(245, 245, 247, 0));
}
body.home-page .main-area.chat-empty .input-area-wrapper {
    width: 100%;
    margin-top: 32px;
    padding: 0;
    background: transparent;
}
body.home-page .input-box {
    width: min(100%, 840px);
    max-width: 840px;
    min-height: 64px;
    padding: 9px 12px;
    gap: 8px;
    border: 1px solid rgba(60, 60, 67, .14);
    border-radius: 20px;
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 8px 26px rgba(0, 0, 0, .055), 0 1px 2px rgba(0, 0, 0, .025);
    transition: border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}
body.home-page .input-box:focus-within {
    border-color: rgba(0, 113, 227, .42);
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .065), 0 0 0 4px rgba(0, 113, 227, .08);
}
body.home-page #user-prompt {
    align-self: center;
    box-sizing: border-box;
    height: 24px;
    min-height: 24px;
    margin: 0;
    padding: 2px 0;
    color: var(--home-label);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 0;
}
body.home-page #user-prompt::placeholder {
    color: var(--home-tertiary);
    font: inherit;
    line-height: inherit;
}
body.home-page .barrage-toggle-btn,
body.home-page #send-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    color: var(--home-secondary);
    transition: background-color 150ms ease, color 150ms ease, transform 100ms ease;
}
body.home-page .barrage-toggle-btn:hover { background: var(--home-fill); color: var(--home-label); }
body.home-page .barrage-toggle-btn:active,
body.home-page #send-btn:active { transform: scale(.92); }
body.home-page .deep-think-toggle-btn {
    min-height: 40px;
    margin-left: 0;
    padding: 0 13px 0 10px;
    gap: 5px;
    border: 1px solid var(--home-separator);
    border-radius: 12px;
    background: var(--home-surface-solid);
    color: var(--home-blue);
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 0;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 100ms ease;
}
body.home-page .deep-think-toggle-btn:hover { background: rgba(0, 113, 227, .06); }
body.home-page .deep-think-toggle-btn.selected {
    border-color: var(--home-blue);
    background: var(--home-blue);
    color: #fff;
}
body.home-page .deep-think-toggle-btn:active { transform: scale(.97); }
body.home-page .web-search-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 40px;
    margin: 0;
    padding: 0 13px 0 10px;
    gap: 5px;
    border: 1px solid var(--home-separator);
    border-radius: 12px;
    background: var(--home-surface-solid);
    color: var(--home-secondary);
    font: inherit;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 0;
    cursor: pointer;
    transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 100ms ease;
}
body.home-page .web-search-toggle-btn:hover {
    background: rgba(0, 113, 227, .06);
    color: var(--home-blue);
}
body.home-page .web-search-toggle-btn.selected {
    border-color: rgba(0, 113, 227, .28);
    background: rgba(0, 113, 227, .1);
    color: var(--home-blue);
}
body.home-page .web-search-toggle-btn.is-loading {
    color: var(--home-blue);
    cursor: progress;
}
body.home-page .web-search-toggle-btn.is-loading .material-symbols-outlined {
    animation: web-search-pulse 900ms ease-in-out infinite alternate;
}
body.home-page .web-search-toggle-btn:active { transform: scale(.97); }
body.home-page .web-search-toggle-btn:focus-visible {
    outline: 3px solid rgba(0, 113, 227, .22);
    outline-offset: 2px;
}
body.home-page .web-search-toggle-btn .material-symbols-outlined { font-size: 20px; }
@keyframes web-search-pulse {
    from { opacity: .48; transform: scale(.92); }
    to { opacity: 1; transform: scale(1); }
}
body.home-page #send-btn {
    background: var(--home-blue);
    color: #fff;
}
body.home-page #send-btn:hover { background: var(--home-blue-strong); }
body.home-page #send-btn .material-symbols-outlined { font-size: 20px; }

/* Right model panel */
body.home-page .sidebar-right {
    flex: 0 0 304px;
    width: 304px;
    max-width: 304px;
    padding: 72px 14px 16px;
    gap: 12px;
    border-left: 1px solid var(--home-separator);
    background: rgba(248, 248, 250, .82);
    backdrop-filter: saturate(145%) blur(24px);
    -webkit-backdrop-filter: saturate(145%) blur(24px);
}
body.home-page .sidebar-right .panel-section {
    margin: 0;
    padding: 16px;
    border: 1px solid var(--home-separator);
    border-radius: 18px;
    background: rgba(255, 255, 255, .8);
    box-shadow: none;
}
body.home-page .sidebar-right .panel-title {
    margin: 0 0 7px;
    gap: 8px;
    color: var(--home-label);
    font-size: 17px;
    font-weight: 650;
    letter-spacing: 0;
}
body.home-page .sidebar-right .panel-title .material-symbols-outlined {
    color: var(--home-blue);
    font-size: 20px;
}
body.home-page .llm-pick-count {
    margin: 0 0 13px;
    color: var(--home-tertiary);
    font-size: 11px;
}
body.home-page .llm-pick {
    min-height: 50px;
    margin-bottom: 8px;
    padding: 9px 12px;
    gap: 10px;
    border: 1px solid var(--home-separator);
    border-radius: 14px;
    background: rgba(255, 255, 255, .9);
    box-shadow: none;
    transition: border-color 150ms ease, background-color 150ms ease, transform 100ms ease, box-shadow 150ms ease;
}
body.home-page .llm-pick:hover {
    border-color: rgba(0, 113, 227, .34);
    box-shadow: 0 1px 3px rgba(0, 0, 0, .035);
}
body.home-page .llm-pick:active { transform: scale(.98); }
body.home-page .llm-pick-label { font-size: 14px; font-weight: 620; }
body.home-page .llm-pick-arrow { font-size: 18px; }
body.home-page .llm-pick-dropdown {
    padding: 6px;
    border: 1px solid var(--home-separator);
    border-radius: 14px;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 16px 42px rgba(0, 0, 0, .14);
    backdrop-filter: saturate(150%) blur(20px);
    -webkit-backdrop-filter: saturate(150%) blur(20px);
}
body.home-page .llm-pick-dropdown-option { min-height: 38px; padding: 9px 10px; border-radius: 9px; }

/* Conversation content */
body.home-page .chat-container {
    padding: 70px clamp(24px, 3.5vw, 56px) 112px;
}
body.home-page .chat-container.history-view-mode { width: min(100%, 1480px); }
body.home-page .message-user {
    max-width: min(78%, 960px);
    margin-top: 18px;
    margin-bottom: 26px;
    padding: 17px 44px 17px 20px;
    border: 1px solid var(--home-separator);
    border-radius: 18px;
    background: rgba(255, 255, 255, .9);
    box-shadow: 0 1px 2px rgba(0, 0, 0, .025);
}
body.home-page .message-user:hover {
    border-color: rgba(0, 113, 227, .22);
    background: #fff;
}
body.home-page .models-row {
    width: 100%;
    gap: 12px;
    margin-bottom: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--home-separator);
}
body.home-page .model-col {
    padding: 16px;
    border: 1px solid var(--home-separator);
    border-radius: 18px;
    background: rgba(255, 255, 255, .88);
    box-shadow: none;
}
body.home-page .model-col.expanded { border-color: rgba(0, 113, 227, .45); }
body.home-page .model-analysis {
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--home-fill);
}
body.home-page .thinking-block { border-color: var(--home-separator); border-radius: 12px; }
body.home-page .thinking-block summary { background: var(--home-fill); }
body.home-page .models-console { width: 100%; }
body.home-page .models-console .console-frame {
    border: 1px solid var(--home-separator);
    border-radius: 18px;
    background: rgba(255, 255, 255, .88);
}

/* Secondary surfaces */
body.home-page .project-drawer {
    left: 264px;
    width: 320px;
    padding: 24px 18px 18px;
    border-right: 1px solid var(--home-separator);
    background: rgba(248, 248, 250, .96);
    box-shadow: 12px 0 36px rgba(0, 0, 0, .08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}
body.home-page .project-drawer-title { color: var(--home-label); font-size: 18px; font-weight: 650; }
body.home-page .drawer-close-btn {
    width: 34px;
    height: 34px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--home-fill);
}
body.home-page .history-item { border-radius: 10px; }
body.home-page .history-item:hover { background: var(--home-fill-hover); }
body.home-page .user-menu-panel {
    top: 68px;
    right: 18px;
    width: 340px;
    padding: 0;
    border: 1px solid var(--home-separator);
    border-radius: 22px;
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 16px 44px rgba(0, 0, 0, .11), 0 1px 3px rgba(0, 0, 0, .04);
    backdrop-filter: saturate(150%) blur(22px);
    -webkit-backdrop-filter: saturate(150%) blur(22px);
    overflow: hidden;
}
body.home-page .user-menu-header {
    min-height: 62px;
    margin: 0;
    padding: 12px 14px 10px 20px;
    border-bottom: 1px solid var(--home-separator);
}
body.home-page .user-menu-title {
    color: var(--home-label);
    font-size: 18px;
    font-weight: 650;
    line-height: 1.2;
}
body.home-page #user-menu-close {
    position: static;
    width: 34px;
    height: 34px;
    border: 0;
    background: var(--home-fill);
    box-shadow: none;
    color: var(--home-secondary);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
body.home-page #user-menu-close:hover { background: var(--home-fill-hover); color: var(--home-label); }
body.home-page #user-menu-close .material-symbols-outlined { font-size: 19px; }
body.home-page .user-menu-body {
    gap: 10px;
    padding: 14px;
}
body.home-page .user-menu-row {
    min-height: 46px;
    padding: 0 13px;
    border-radius: 12px;
    background: var(--home-fill);
}
body.home-page .user-menu-label {
    color: var(--home-secondary);
    font-size: 12px;
    font-weight: 500;
}
body.home-page .user-menu-value {
    min-width: 0;
    overflow: hidden;
    color: var(--home-label);
    font-size: 14px;
    font-weight: 620;
    font-variant-numeric: tabular-nums;
    text-overflow: ellipsis;
    white-space: nowrap;
}
body.home-page .user-billing-card {
    gap: 11px;
    padding: 14px;
    border: 1px solid var(--home-separator);
    border-radius: 16px;
    background: rgba(248, 248, 250, .82);
}
body.home-page .user-billing-row {
    min-height: 30px;
    gap: 12px;
}
body.home-page .user-billing-balance {
    color: var(--home-blue-strong);
    font-size: 17px;
    font-weight: 680;
    font-variant-numeric: tabular-nums;
}
body.home-page .enterprise-quick-billing {
    padding-top: 10px;
    border-top: 1px solid var(--home-separator);
}
body.home-page .enterprise-quick-billing select {
    width: 174px;
    max-width: 174px;
    height: 38px;
    padding: 0 30px 0 11px;
    border: 1px solid var(--home-separator);
    border-radius: 10px;
    background-color: rgba(255, 255, 255, .92);
    color: var(--home-label);
    font-size: 13px;
    font-weight: 520;
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease, background-color 150ms ease;
}
body.home-page .enterprise-quick-billing select:hover { background-color: #fff; }
body.home-page .enterprise-quick-billing select:focus {
    border-color: rgba(0, 113, 227, .52);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, .09);
}
body.home-page .recharge-account-context,
body.home-page .recharge-account-context.notice {
    margin: 0;
    padding: 10px 11px;
    border-radius: 10px;
    background: rgba(0, 113, 227, .065);
    color: #53677d;
    font-size: 11px;
    line-height: 1.55;
}
body.home-page .recharge-account-context.notice {
    background: var(--home-fill);
    color: var(--home-secondary);
}
body.home-page .user-recharge-row {
    min-height: 42px;
    gap: 5px;
    padding: 0 11px;
    border: 1px solid var(--home-separator);
    border-radius: 11px;
    background: rgba(255, 255, 255, .94);
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
body.home-page .user-recharge-row:focus-within {
    border-color: rgba(0, 113, 227, .5);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, .09);
}
body.home-page .user-recharge-input {
    height: 40px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--home-label);
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    box-shadow: none;
}
body.home-page .user-recharge-input:focus { border: 0; box-shadow: none; }
body.home-page .user-recharge-unit { color: var(--home-tertiary); font-size: 12px; }
body.home-page .user-pay-actions { gap: 8px; }
body.home-page .user-pay-btn {
    height: 42px;
    gap: 7px;
    border: 1px solid var(--home-separator);
    border-radius: 11px;
    background: rgba(255, 255, 255, .92);
    color: var(--home-label);
    font-size: 13px;
    font-weight: 600;
    transition: background-color 150ms ease, border-color 150ms ease, transform 100ms ease;
}
body.home-page .user-pay-btn:hover {
    border-color: rgba(60, 60, 67, .18);
    background: #fff;
    color: var(--home-label);
}
body.home-page .user-pay-btn:active { transform: scale(.97); }
body.home-page .user-pay-btn img { width: 18px; height: 18px; }
body.home-page .user-billing-status {
    min-height: 0;
    padding: 0 2px;
    color: var(--home-secondary);
    font-size: 11px;
    line-height: 1.45;
}
body.home-page .user-billing-status:empty { display: none; }
body.home-page .menu-link {
    display: flex;
    min-height: 44px;
    align-items: center;
    justify-content: space-between;
    padding: 0 13px;
    border-radius: 12px;
    background: var(--home-fill);
    color: var(--home-label);
    font-size: 13px;
    font-weight: 560;
    text-decoration: none;
    transition: background-color 150ms ease, transform 100ms ease;
}
body.home-page .menu-link::after {
    content: "›";
    color: var(--home-tertiary);
    font-size: 22px;
    font-weight: 300;
    line-height: 1;
}
body.home-page .menu-link:hover { background: var(--home-fill-hover); text-decoration: none; }
body.home-page .menu-link:active { transform: scale(.985); }
body.home-page .user-menu-form { margin: 0; }
body.home-page .user-menu-form .ghost-btn.full-width {
    min-height: 44px;
    padding: 0 14px;
    border: 0;
    border-radius: 12px;
    background: rgba(255, 59, 48, .08);
    color: #d70015;
    font-size: 13px;
    font-weight: 570;
    transition: background-color 150ms ease, transform 100ms ease;
}
body.home-page .user-menu-form .ghost-btn.full-width:hover { background: rgba(255, 59, 48, .13); }
body.home-page .user-menu-form .ghost-btn.full-width:active { transform: scale(.985); }

@media (max-width: 480px) {
    body.home-page .user-menu-panel {
        top: 62px;
        right: 10px;
        width: min(340px, calc(100vw - 20px));
        max-height: calc(100dvh - 74px);
        overflow-y: auto;
    }
}
body.home-page .modal-overlay { background: rgba(0, 0, 0, .28); backdrop-filter: blur(12px); }

/* Preserve the author's model-selection gradients exactly. */
body.home-page .llm-pick.deepseek.selected { background: linear-gradient(135deg, #0b2a6b, #1c5fd9); }
body.home-page .llm-pick.kimi.selected { background: linear-gradient(135deg, #34104f, #7a23b5); }
body.home-page .llm-pick.qwen.selected { background: linear-gradient(135deg, #2b3aa0, #7b3fd1); }
body.home-page .llm-pick.zai.selected { background: linear-gradient(135deg, #0a0a0c, #241b3d 55%, #18305c); }
body.home-page .llm-pick.minimax.selected { background: linear-gradient(135deg, #ff5b1f, #ff2d6b); }
body.home-page .llm-pick.selected {
    border-color: transparent;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .1);
}

@media (max-width: 1180px) {
    body.home-page .sidebar-left {
        position: absolute;
        inset: 0 auto 0 0;
        z-index: 120;
        flex-basis: 264px;
        width: 264px;
        max-width: 264px;
        box-shadow: 12px 0 36px rgba(0, 0, 0, .08);
    }
    body.home-page .sidebar-right {
        position: absolute;
        inset: 0 0 0 auto;
        z-index: 110;
        flex-basis: 304px;
        width: 304px;
        max-width: 304px;
        box-shadow: -12px 0 36px rgba(0, 0, 0, .08);
    }
    body.home-page .sidebar-left .new-chat-btn span:not(.material-symbols-outlined),
    body.home-page .sidebar-right .llm-pick-label,
    body.home-page .sidebar-right .llm-pick-arrow,
    body.home-page .sidebar-right .panel-title {
        opacity: 1;
        max-width: none;
        transform: none;
        pointer-events: auto;
    }
    body.home-page .input-box { max-width: 840px; }
}

@media (max-width: 680px) {
    body.home-page .admin-balance-banner {
        min-height: 52px;
        padding: 8px 44px 8px 14px;
        font-size: 12px;
    }
    body.home-page .main-area.chat-empty { padding: 72px 18px 30px; }
    body.home-page .welcome-msg-box h1 { font-size: 30px; }
    body.home-page .welcome-msg-box p { font-size: 14px; }
    body.home-page .input-area-wrapper { padding: 12px 14px 18px; }
    body.home-page .input-box { min-height: 58px; border-radius: 18px; }
    body.home-page .deep-think-toggle-btn { padding-right: 10px; }
    body.home-page .web-search-toggle-btn {
        width: 40px;
        padding: 0;
    }
    body.home-page .web-search-label { display: none; }
    body.home-page .chat-container { padding: 66px 14px 102px; }
    body.home-page .models-row { gap: 8px; }
    body.home-page .message-user { max-width: 92%; }
}

@media (prefers-reduced-motion: reduce) {
    body.home-page *,
    body.home-page *::before,
    body.home-page *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

@media (prefers-reduced-transparency: reduce) {
    body.home-page .sidebar-left,
    body.home-page .sidebar-right,
    body.home-page #menu-toggle,
    body.home-page .icon-btn,
    body.home-page .user-menu-panel,
    body.home-page .project-drawer,
    body.home-page .admin-balance-banner {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: #f8f8fa;
    }
}

@media (prefers-contrast: more) {
    body.home-page { --home-separator: rgba(60, 60, 67, .28); }
    body.home-page .input-box,
    body.home-page .llm-pick,
    body.home-page .mini-panel { border-width: 2px; }
}

/*
 * Fluid workspace scale
 * ---------------------
 * 1 unit = 1px at the 1600 × 1000 reference viewport. The more constrained
 * viewport axis wins, while clamp() prevents the interface becoming either
 * too small to operate or comically large on high-resolution displays.
 */
body.home-page {
    --home-fluid-unit: clamp(.78px, min(.0625vw, .1vh), 1.05px);
    font-size: calc(15 * var(--home-fluid-unit));
}

body.home-page .admin-balance-banner {
    min-height: calc(42 * var(--home-fluid-unit));
    padding: calc(8 * var(--home-fluid-unit)) calc(52 * var(--home-fluid-unit)) calc(8 * var(--home-fluid-unit)) calc(24 * var(--home-fluid-unit));
    gap: calc(12 * var(--home-fluid-unit));
    font-size: calc(13 * var(--home-fluid-unit));
}
body.home-page .balance-banner-action {
    min-height: calc(30 * var(--home-fluid-unit));
    padding: calc(5 * var(--home-fluid-unit)) calc(14 * var(--home-fluid-unit));
    font-size: calc(12 * var(--home-fluid-unit));
}
body.home-page #menu-toggle {
    top: calc(16 * var(--home-fluid-unit));
    left: calc(18 * var(--home-fluid-unit));
}
body.home-page .topbar {
    top: calc(16 * var(--home-fluid-unit));
    right: calc(18 * var(--home-fluid-unit));
}
body.home-page #menu-toggle,
body.home-page .icon-btn {
    width: calc(40 * var(--home-fluid-unit));
    height: calc(40 * var(--home-fluid-unit));
}
body.home-page #menu-toggle .material-symbols-outlined,
body.home-page .icon-btn .material-symbols-outlined { font-size: calc(21 * var(--home-fluid-unit)); }

body.home-page .sidebar-left {
    flex-basis: calc(264 * var(--home-fluid-unit));
    width: calc(264 * var(--home-fluid-unit));
    max-width: calc(264 * var(--home-fluid-unit));
    padding: calc(72 * var(--home-fluid-unit)) calc(14 * var(--home-fluid-unit)) calc(16 * var(--home-fluid-unit));
    gap: calc(6 * var(--home-fluid-unit));
}
body.home-page .sidebar-left .new-chat-btn {
    min-height: calc(44 * var(--home-fluid-unit));
    padding: calc(8 * var(--home-fluid-unit)) calc(12 * var(--home-fluid-unit));
    gap: calc(11 * var(--home-fluid-unit));
    border-radius: calc(12 * var(--home-fluid-unit));
    font-size: calc(14 * var(--home-fluid-unit));
}
body.home-page .sidebar-left .new-chat-btn .material-symbols-outlined {
    width: calc(24 * var(--home-fluid-unit));
    font-size: calc(21 * var(--home-fluid-unit));
}
body.home-page .mini-panels {
    min-height: 0;
    margin-top: calc(8 * var(--home-fluid-unit));
    gap: calc(10 * var(--home-fluid-unit));
    overflow: hidden;
}
body.home-page #mini-public-chat-panel {
    display: flex;
    flex: 1 1 calc(220 * var(--home-fluid-unit));
    min-height: calc(148 * var(--home-fluid-unit));
}
body.home-page #mini-trending-panel {
    display: flex;
    flex: 1 1 calc(260 * var(--home-fluid-unit));
    min-height: calc(180 * var(--home-fluid-unit));
}
body.home-page .mini-panel,
body.home-page #mini-trending-panel {
    padding: calc(12 * var(--home-fluid-unit));
    gap: calc(8 * var(--home-fluid-unit));
    border-radius: calc(16 * var(--home-fluid-unit));
}
body.home-page .mini-panel-title,
body.home-page .mini-panel:hover .mini-panel-title {
    gap: calc(8 * var(--home-fluid-unit));
    padding: 0 calc(2 * var(--home-fluid-unit)) calc(6 * var(--home-fluid-unit));
    font-size: calc(13 * var(--home-fluid-unit));
}
body.home-page .mini-panel-title span:not(.material-symbols-outlined),
body.home-page .mini-public-profession {
    opacity: 1;
    max-width: none;
    transform: none;
}
body.home-page .mini-panel-title .material-symbols-outlined,
body.home-page .mini-panel:hover .mini-panel-title .material-symbols-outlined { font-size: calc(19 * var(--home-fluid-unit)); }
body.home-page .mini-public-profession,
body.home-page .mini-trending-sub { font-size: calc(10 * var(--home-fluid-unit)); }
body.home-page .mini-public-messages,
body.home-page .mini-trending-list { gap: calc(4 * var(--home-fluid-unit)); }
body.home-page .mini-public-msg,
body.home-page .mini-trending-item {
    padding: calc(6 * var(--home-fluid-unit)) calc(8 * var(--home-fluid-unit));
    gap: calc(6 * var(--home-fluid-unit));
    border-radius: calc(10 * var(--home-fluid-unit));
    font-size: calc(12 * var(--home-fluid-unit));
}
body.home-page .mini-trending-rank {
    width: calc(18 * var(--home-fluid-unit));
    height: calc(18 * var(--home-fluid-unit));
    font-size: calc(11 * var(--home-fluid-unit));
}
body.home-page .mini-public-input {
    min-height: calc(42 * var(--home-fluid-unit));
    max-height: none;
    padding: calc(5 * var(--home-fluid-unit)) calc(5 * var(--home-fluid-unit)) calc(5 * var(--home-fluid-unit)) calc(10 * var(--home-fluid-unit));
    gap: calc(6 * var(--home-fluid-unit));
    opacity: 1;
}
body.home-page .mini-public-input textarea {
    min-height: calc(28 * var(--home-fluid-unit));
    max-height: calc(28 * var(--home-fluid-unit));
    max-width: none;
    padding: calc(2 * var(--home-fluid-unit)) calc(4 * var(--home-fluid-unit));
    font-size: calc(12 * var(--home-fluid-unit));
    opacity: 1;
}
body.home-page .mini-btn {
    min-width: calc(52 * var(--home-fluid-unit));
    min-height: calc(32 * var(--home-fluid-unit));
    max-width: none;
    padding: calc(6 * var(--home-fluid-unit)) calc(12 * var(--home-fluid-unit));
    font-size: calc(12 * var(--home-fluid-unit));
    opacity: 1;
}

body.home-page .sidebar-right {
    flex-basis: calc(304 * var(--home-fluid-unit));
    width: calc(304 * var(--home-fluid-unit));
    max-width: calc(304 * var(--home-fluid-unit));
    padding: calc(72 * var(--home-fluid-unit)) calc(14 * var(--home-fluid-unit)) calc(16 * var(--home-fluid-unit));
    gap: calc(12 * var(--home-fluid-unit));
}
/* Keep the collapsed state authoritative after the fluid-width overrides above.
   The panel must release its layout width, not merely hide its children. */
body.home-page .sidebar-right.collapsed {
    flex: 0 0 0 !important;
    flex-basis: 0 !important;
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    padding: 0 !important;
    gap: 0 !important;
    border-left-width: 0 !important;
    overflow: hidden !important;
    opacity: 0;
    pointer-events: none;
}
body.home-page .sidebar-right .panel-section {
    padding: calc(16 * var(--home-fluid-unit));
    border-radius: calc(18 * var(--home-fluid-unit));
}
body.home-page .sidebar-right .panel-title {
    margin-bottom: calc(7 * var(--home-fluid-unit));
    gap: calc(8 * var(--home-fluid-unit));
    font-size: calc(17 * var(--home-fluid-unit));
}
body.home-page .sidebar-right .panel-title .material-symbols-outlined { font-size: calc(20 * var(--home-fluid-unit)); }
body.home-page .llm-pick-count {
    margin-bottom: calc(13 * var(--home-fluid-unit));
    font-size: calc(11 * var(--home-fluid-unit));
}
body.home-page .llm-pick {
    min-height: calc(50 * var(--home-fluid-unit));
    margin-bottom: calc(8 * var(--home-fluid-unit));
    padding: calc(9 * var(--home-fluid-unit)) calc(12 * var(--home-fluid-unit));
    gap: calc(10 * var(--home-fluid-unit));
    border-radius: calc(14 * var(--home-fluid-unit));
}
body.home-page .llm-pick-logo {
    width: calc(26 * var(--home-fluid-unit));
    height: calc(26 * var(--home-fluid-unit));
}
body.home-page .llm-pick.zai .llm-pick-logo,
body.home-page .llm-pick.kimi .llm-pick-logo {
    width: calc(20 * var(--home-fluid-unit));
    height: calc(20 * var(--home-fluid-unit));
}
body.home-page .llm-pick-label { font-size: calc(14 * var(--home-fluid-unit)); }
body.home-page .llm-pick-arrow { font-size: calc(18 * var(--home-fluid-unit)); }

body.home-page .main-area.chat-empty {
    padding: calc(72 * var(--home-fluid-unit)) calc(36 * var(--home-fluid-unit)) calc(46 * var(--home-fluid-unit));
}
body.home-page .welcome-msg-box h1 { font-size: calc(42 * var(--home-fluid-unit)); }
body.home-page .welcome-msg-box p {
    margin-top: calc(14 * var(--home-fluid-unit));
    font-size: calc(16 * var(--home-fluid-unit));
}
body.home-page .main-area.chat-empty .input-area-wrapper { margin-top: calc(32 * var(--home-fluid-unit)); }
body.home-page .input-area-wrapper {
    padding: calc(16 * var(--home-fluid-unit)) calc(32 * var(--home-fluid-unit)) calc(24 * var(--home-fluid-unit));
}
body.home-page .input-box {
    width: min(100%, calc(840 * var(--home-fluid-unit)));
    max-width: calc(840 * var(--home-fluid-unit));
    min-height: calc(64 * var(--home-fluid-unit));
    padding: calc(9 * var(--home-fluid-unit)) calc(12 * var(--home-fluid-unit));
    gap: calc(8 * var(--home-fluid-unit));
    border-radius: calc(20 * var(--home-fluid-unit));
}
body.home-page #user-prompt {
    height: calc(24 * var(--home-fluid-unit));
    min-height: calc(24 * var(--home-fluid-unit));
    padding-block: calc(2 * var(--home-fluid-unit));
    font-size: calc(14 * var(--home-fluid-unit));
    line-height: calc(20 * var(--home-fluid-unit));
}
body.home-page .barrage-toggle-btn,
body.home-page #send-btn {
    width: calc(40 * var(--home-fluid-unit));
    height: calc(40 * var(--home-fluid-unit));
}
body.home-page .deep-think-toggle-btn {
    min-height: calc(40 * var(--home-fluid-unit));
    padding: 0 calc(13 * var(--home-fluid-unit)) 0 calc(10 * var(--home-fluid-unit));
    gap: calc(5 * var(--home-fluid-unit));
    border-radius: calc(12 * var(--home-fluid-unit));
    font-size: calc(14 * var(--home-fluid-unit));
    line-height: calc(20 * var(--home-fluid-unit));
}
body.home-page .web-search-toggle-btn {
    min-height: calc(40 * var(--home-fluid-unit));
    padding: 0 calc(13 * var(--home-fluid-unit)) 0 calc(10 * var(--home-fluid-unit));
    gap: calc(5 * var(--home-fluid-unit));
    border-radius: calc(12 * var(--home-fluid-unit));
    font-size: calc(14 * var(--home-fluid-unit));
    line-height: calc(20 * var(--home-fluid-unit));
}
body.home-page .web-search-toggle-btn .material-symbols-outlined {
    font-size: calc(20 * var(--home-fluid-unit));
}
body.home-page #send-btn .material-symbols-outlined { font-size: calc(20 * var(--home-fluid-unit)); }

@media (prefers-reduced-motion: reduce) {
    body.home-page .web-search-toggle-btn.is-loading .material-symbols-outlined { animation: none; }
}

@media (max-width: 680px) {
    body.home-page .web-search-toggle-btn {
        width: calc(40 * var(--home-fluid-unit));
        padding: 0;
    }
    body.home-page .web-search-label { display: none; }
}

body.home-page .chat-container {
    padding: calc(70 * var(--home-fluid-unit)) calc(56 * var(--home-fluid-unit)) calc(112 * var(--home-fluid-unit));
}
body.home-page .models-row {
    gap: calc(12 * var(--home-fluid-unit));
    margin-bottom: calc(28 * var(--home-fluid-unit));
    padding-top: calc(22 * var(--home-fluid-unit));
}
body.home-page .model-col {
    padding: calc(16 * var(--home-fluid-unit));
    border-radius: calc(18 * var(--home-fluid-unit));
}

body.home-page .user-menu-panel {
    top: calc(68 * var(--home-fluid-unit));
    right: calc(18 * var(--home-fluid-unit));
    width: min(calc(340 * var(--home-fluid-unit)), calc(100vw - 20px));
}
body.home-page .project-drawer {
    left: calc(264 * var(--home-fluid-unit));
    width: calc(320 * var(--home-fluid-unit));
}