/* ================= App 样式（CSS 变量驱动 + 主题套组） ================= */

/* ---------------- 主题变量：默认（蓝青，深色） ---------------- */
:root {
    color-scheme: dark;

    --accent-1: #3b82f6;
    --accent-2: #22d3ee;
    --accent-1-deep: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.35);
    --focus-ring: rgba(59, 130, 246, 0.22);

    --send-1: #3b82f6;
    --send-2: #22d3ee;
    --ingest-1: #10b981;
    --ingest-2: #059669;

    --bg-g1: #0b1220;
    --bg-g2: #111a2e;
    --bg-g3: #0d1526;
    --glow-1: rgba(56, 189, 248, 0.10);
    --glow-2: rgba(99, 102, 241, 0.12);

    --glass-bg-a: rgba(148, 163, 184, 0.08);
    --glass-bg-b: rgba(148, 163, 184, 0.03);
    --glass-border: rgba(148, 163, 184, 0.14);
    --glass-shadow: rgba(2, 6, 23, 0.45);
    --glass-hi: rgba(255, 255, 255, 0.04);

    --header-bg-a: rgba(15, 23, 42, 0.82);
    --header-bg-b: rgba(15, 23, 42, 0.55);
    --header-border: rgba(148, 163, 184, 0.12);

    --input-bg: rgba(30, 41, 59, 0.55);
    --input-border: #475569;

    --modal-bg: rgba(15, 23, 42, 0.72);
    --modal-solid: #0f172a;
    --modal-border: rgba(51, 65, 85, 0.6);

    --badge-bg: rgba(148, 163, 184, 0.10);
    --badge-border: rgba(148, 163, 184, 0.12);
    --badge-text: #cbd5e1;

    --chip-bg: rgba(51, 65, 85, 0.6);
    --chip-border: rgba(71, 85, 105, 0.5);
    --chip-text: #fff;

    --thead-bg: rgba(15, 23, 42, 0.85);

    --scroll-thumb: rgba(148, 163, 184, 0.25);
    --scroll-thumb-hover: rgba(148, 163, 184, 0.40);

    --hl-bg: #facc15;
    --hl-fg: #1f2937;
    --code-bg: rgba(148, 163, 184, 0.16);
    --code-border: rgba(148, 163, 184, 0.28);
    --selection: rgba(59, 130, 246, 0.40);

    --src-bg: rgba(148, 163, 184, 0.14);
    --src-border: rgba(148, 163, 184, 0.18);
    --src-hover: #2563eb;

    --body-text: #f3f4f6;
}

/* ---------------- 主题套组覆盖 ---------------- */

/* 紫罗兰 */
html[data-theme="purple"] {
    --accent-1: #8b5cf6;
    --accent-2: #d946ef;
    --accent-1-deep: #7c3aed;
    --accent-soft: rgba(139, 92, 246, 0.35);
    --focus-ring: rgba(139, 92, 246, 0.22);
    --send-1: #8b5cf6;
    --send-2: #d946ef;
    --src-hover: #7c3aed;
    --bg-g1: #100b20;
    --bg-g2: #181030;
    --bg-g3: #0e0a1c;
    --glow-1: rgba(168, 85, 247, 0.13);
    --glow-2: rgba(236, 72, 153, 0.10);
    --selection: rgba(139, 92, 246, 0.40);
}

/* 翠绿 */
html[data-theme="emerald"] {
    --accent-1: #10b981;
    --accent-2: #14b8a6;
    --accent-1-deep: #059669;
    --accent-soft: rgba(16, 185, 129, 0.35);
    --focus-ring: rgba(16, 185, 129, 0.22);
    --send-1: #10b981;
    --send-2: #14b8a6;
    --ingest-1: #f59e0b;
    --ingest-2: #f97316;
    --src-hover: #059669;
    --bg-g1: #04120d;
    --bg-g2: #07211a;
    --bg-g3: #05130e;
    --glow-1: rgba(52, 211, 153, 0.12);
    --glow-2: rgba(20, 184, 166, 0.10);
    --selection: rgba(16, 185, 129, 0.40);
}

/* 暖橙 */
html[data-theme="amber"] {
    --accent-1: #f59e0b;
    --accent-2: #f43f5e;
    --accent-1-deep: #d97706;
    --accent-soft: rgba(245, 158, 11, 0.35);
    --focus-ring: rgba(245, 158, 11, 0.22);
    --send-1: #f59e0b;
    --send-2: #f43f5e;
    --ingest-1: #22c55e;
    --ingest-2: #16a34a;
    --src-hover: #d97706;
    --bg-g1: #1d1107;
    --bg-g2: #2d180a;
    --bg-g3: #1b0f06;
    --glow-1: rgba(251, 146, 60, 0.12);
    --glow-2: rgba(244, 63, 94, 0.08);
    --selection: rgba(245, 158, 11, 0.40);
    --hl-bg: #fb923c;
    --hl-fg: #431407;
}

/* 明亮（浅色） */
html[data-theme="light"] {
    color-scheme: light;
    --body-text: #0f172a;
    --accent-1: #2563eb;
    --accent-2: #0891b2;
    --accent-1-deep: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.28);
    --focus-ring: rgba(37, 99, 235, 0.18);
    --send-1: #2563eb;
    --send-2: #0891b2;
    --ingest-1: #059669;
    --ingest-2: #0d9488;
    --src-hover: #1d4ed8;
    --bg-g1: #f8fafc;
    --bg-g2: #eef2f7;
    --bg-g3: #f1f5f9;
    --glow-1: rgba(59, 130, 246, 0.12);
    --glow-2: rgba(14, 165, 233, 0.10);
    --glass-bg-a: rgba(255, 255, 255, 0.55);
    --glass-bg-b: rgba(255, 255, 255, 0.30);
    --glass-border: rgba(15, 23, 42, 0.10);
    --glass-shadow: rgba(15, 23, 42, 0.08);
    --glass-hi: rgba(255, 255, 255, 0.60);
    --header-bg-a: rgba(255, 255, 255, 0.70);
    --header-bg-b: rgba(255, 255, 255, 0.45);
    --header-border: rgba(15, 23, 42, 0.08);
    --input-bg: rgba(255, 255, 255, 0.65);
    --input-border: #cbd5e1;
    --modal-bg: rgba(255, 255, 255, 0.88);
    --modal-solid: #ffffff;
    --modal-border: rgba(15, 23, 42, 0.12);
    --badge-bg: rgba(15, 23, 42, 0.05);
    --badge-border: rgba(15, 23, 42, 0.10);
    --badge-text: #475569;
    --chip-bg: rgba(255, 255, 255, 0.70);
    --chip-border: rgba(15, 23, 42, 0.15);
    --chip-text: #1e293b;
    --thead-bg: rgba(255, 255, 255, 0.85);
    --scroll-thumb: rgba(100, 116, 139, 0.35);
    --scroll-thumb-hover: rgba(100, 116, 139, 0.50);
    --hl-bg: #fde047;
    --hl-fg: #a16207;
    --code-bg: rgba(15, 23, 42, 0.08);
    --code-border: rgba(15, 23, 42, 0.16);
    --selection: rgba(37, 99, 235, 0.28);
    --src-bg: rgba(15, 23, 42, 0.06);
    --src-border: rgba(15, 23, 42, 0.12);
}

/* ================= 全局基础 ================= */

body {
    background:
        radial-gradient(1100px 520px at 88% -10%, var(--glow-1), transparent 60%),
        radial-gradient(900px 500px at -10% 18%, var(--glow-2), transparent 55%),
        linear-gradient(160deg, var(--bg-g1) 0%, var(--bg-g2) 55%, var(--bg-g3) 100%);
    background-attachment: fixed;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--scroll-thumb-hover); }
::selection { background: var(--selection); }

/* 复选框（自绘） */
input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--input-border);
    border-radius: 5px;
    background: var(--input-bg);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    margin: 0;
    transition: background-color .15s ease, border-color .15s ease;
}
input[type="checkbox"]:hover { border-color: var(--accent-1); }
input[type="checkbox"]:checked { background: var(--accent-1); border-color: var(--accent-1); }
input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 4px; top: 1px;
    width: 5px; height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.text-strong { color: var(--body-text); }

/* 命中高亮 */
.hl {
    background: var(--hl-bg) !important;
    color: var(--hl-fg) !important;
    font-weight: 600;
    padding: 0 1px;
    border-radius: 2px;
}

/* 行内代码 */
.code-inline {
    background: var(--code-bg);
    border: 1px solid var(--code-border);
    color: var(--body-text);
    border-radius: 4px;
    padding: 0 4px;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* 用户气泡内拖选：白底深蓝字，避免与蓝底同色 */
.bubble-user ::selection {
    background: rgba(255, 255, 255, 0.92);
    color: #1d4ed8;
}

/* 会话栏 */
.session-item {
    position: relative;
    border: 1px solid transparent;
    border-radius: 10px;
    padding: 8px 10px;
    cursor: pointer;
    background: var(--glass-bg-b);
    color: var(--body-text);
    transition: background-color .18s ease, border-color .18s ease;
}
.session-item.raise { z-index: 50; }
.session-item .dd-trigger,
.session-item .dd-label { color: inherit; }
.session-item:hover { background: var(--badge-bg); }
.session-item.session-active {
    /* 选中：不填充，左侧主题色条 + 文字带一点主题色，避免刺眼纯白 */
    background: var(--badge-bg);
    border-color: transparent;
    box-shadow: inset 3px 0 0 0 var(--accent-1);
    color: color-mix(in srgb, var(--body-text) 68%, var(--accent-1));
    font-weight: 600;
}
.session-item.session-active:hover { background: var(--badge-bg); }

/* ================= 组件 ================= */

.glass-card {
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, var(--glass-bg-a), var(--glass-bg-b));
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px var(--glass-shadow), inset 0 1px 0 var(--glass-hi);
    backdrop-filter: blur(10px);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.glass-card.raise {
    z-index: 50;
}
.glass-card.lift:hover {
    transform: translateY(-1px);
    border-color: var(--glass-border);
}

.glass-header {
    background: linear-gradient(180deg, var(--header-bg-a), var(--header-bg-b));
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 1px 20px rgba(2, 6, 23, 0.35);
    backdrop-filter: blur(12px);
}

.app-logo {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    box-shadow: 0 4px 14px var(--accent-soft);
    color: #fff;
}
html[data-theme="light"] .app-logo { color: #fff; }

.badge-dim {
    background: var(--badge-bg);
    border: 1px solid var(--badge-border);
    color: var(--badge-text);
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 12px;
    line-height: 20px;
}
.badge-dim:empty { display: none; }

.tab-btn { position: relative; transition: color .18s ease, background-color .18s ease; }
.tab-btn::after {
    content: '';
    position: absolute;
    left: 12px; right: 12px; bottom: 0; height: 2px;
    border-radius: 2px 2px 0 0;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transform: scaleX(0);
    opacity: 0;
    transition: transform .22s ease, opacity .22s ease;
}
.tab-btn.tab-on { background: rgba(148, 163, 184, 0.10); color: #fff; }
html[data-theme="light"] .tab-btn.tab-on { color: #0f172a; }
.tab-btn.tab-on::after { transform: scaleX(1); opacity: 1; }

.bubble-user {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-1-deep));
    box-shadow: 0 6px 18px var(--accent-soft);
    color: #fff;
}
.bubble-ai {
    background: linear-gradient(180deg, var(--glass-bg-a), var(--glass-bg-b));
    border: 1px solid var(--glass-border);
    box-shadow: 0 6px 18px var(--glass-shadow);
}

.src-chip {
    background: var(--src-bg);
    border: 1px solid var(--src-border);
    color: var(--body-text);
    transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.src-chip:hover { background: var(--src-hover); border-color: var(--src-hover); color: #fff; }

.typing-dot { background: linear-gradient(180deg, var(--accent-1), var(--accent-2)); }

.glass-inputbar {
    background: var(--header-bg-a);
    border-top: 1px solid var(--header-border);
    backdrop-filter: blur(10px);
}

.input-field {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    transition: border-color .18s ease, box-shadow .18s ease;
    outline: none;
}
.input-field:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.btn-send {
    background: linear-gradient(135deg, var(--send-1), var(--send-2));
    box-shadow: 0 4px 14px var(--accent-soft);
    transition: box-shadow .18s ease, transform .12s ease, opacity .18s ease;
}
.btn-send:not(:disabled):hover { box-shadow: 0 6px 18px var(--accent-soft); }
.btn-send:not(:disabled):active { transform: scale(.97); }

/* 模型列表（自定义选中态） */
.model-list {
    max-height: 11rem;
    overflow-y: auto;
    border: 1px solid var(--input-border);
    border-radius: 10px;
    background: var(--input-bg);
    padding: 3px;
}
.model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    text-align: left;
    padding: 5px 9px;
    border-radius: 7px;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--body-text);
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: background-color .12s ease, border-color .12s ease;
}
.model-item:hover { background: var(--badge-bg); }
.model-item.on {
    background: var(--accent-soft);
    border-left-color: var(--accent-1);
    color: var(--accent-1);
    font-weight: 600;
}
.model-list-empty {
    padding: 10px;
    text-align: center;
    font-size: 12px;
    color: var(--muted-text, #9ca3af);
}

.btn-stop {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: linear-gradient(135deg, #f87171, #dc2626 55%, #991b1b);
    border: 1px solid rgba(255, 255, 255, .55);
    box-shadow:
        0 0 0 1px rgba(220, 38, 38, .35),
        0 4px 16px rgba(239, 68, 68, .45),
        inset 0 1px 0 rgba(255, 255, 255, .28);
    transition: box-shadow .18s ease, transform .14s ease, filter .14s ease;
    animation: btn-stop-breathe 1.6s ease-in-out infinite;
}
.btn-stop .stop-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1rem;
    height: 1.1rem;
    font-size: .62rem;
    border-radius: 3px;
    background: #fff;
    color: #dc2626;
    flex: none;
}
.btn-stop:not(:disabled):hover {
    box-shadow:
        0 0 0 1px rgba(220, 38, 38, .55),
        0 8px 22px rgba(239, 68, 68, .55),
        inset 0 1px 0 rgba(255, 255, 255, .32);
    transform: translateY(-1px) scale(1.03);
}
.btn-stop:not(:disabled):active {
    transform: translateY(1.5px) scale(.94);
    filter: brightness(.82);
    box-shadow:
        0 0 0 1px rgba(220, 38, 38, .25),
        0 2px 8px rgba(239, 68, 68, .30),
        inset 0 2px 4px rgba(0, 0, 0, .25);
    animation: none;
}
.btn-stop:disabled {
    cursor: default;
    animation: none;
}
@keyframes btn-stop-breathe {
    0%, 100% { box-shadow: 0 0 0 1px rgba(220, 38, 38, .35), 0 4px 16px rgba(239, 68, 68, .40), inset 0 1px 0 rgba(255, 255, 255, .28); }
    50%      { box-shadow: 0 0 0 2px rgba(248, 113, 113, .70), 0 6px 26px rgba(239, 68, 68, .65), inset 0 1px 0 rgba(255, 255, 255, .38); }
}

.btn-ingest {
    background: linear-gradient(135deg, var(--ingest-1), var(--ingest-2));
    box-shadow: 0 4px 14px var(--accent-soft);
    transition: box-shadow .18s ease, transform .12s ease, opacity .18s ease;
}
.btn-ingest:not(:disabled):hover { box-shadow: 0 6px 18px var(--accent-soft); }
.btn-ingest:not(:disabled):active { transform: scale(.98); }

.btn-ghost {
    background: var(--src-bg);
    border: 1px solid var(--src-border);
    transition: background-color .18s ease, transform .12s ease;
}
.btn-ghost:hover { background: var(--glass-bg-a); }
.btn-ghost:active { transform: scale(.97); }

.thead-glass { background: var(--thead-bg); backdrop-filter: blur(6px); }

.chip-current {
    background: var(--chip-bg);
    border: 1px solid var(--chip-border);
    color: var(--chip-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    border-radius: 6px;
    padding: 2px 8px;
}

.check-all { background: var(--accent-1); border-color: var(--accent-1); }

.hero-glow { position: relative; }
.hero-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(240px 140px at 50% 32%, var(--accent-soft), transparent 70%);
    pointer-events: none;
}

.resize-grip-dot { width: 4px; height: 4px; border-radius: 99px; background: rgba(148, 163, 184, 0.45); }
div:hover > .resize-grip-dot { background: rgba(203, 213, 225, 0.75); }

.modal-backdrop { backdrop-filter: blur(6px); }
.modal-card {
    background: var(--modal-bg);
    border: 1px solid var(--modal-border);
    backdrop-filter: blur(8px);
    animation: zoomIn .18s cubic-bezier(.2, .7, .35, 1.1);
}
@keyframes zoomIn {
    from { opacity: 0; transform: scale(.95) translateY(8px); }
    to { opacity: 1; transform: none; }
}

.canvas { outline: none; }
button:not(:disabled):active { transform: scale(.97); }

/* 主题色卡 */
.theme-swatch {
    width: 22px;
    height: 22px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 2px 8px rgba(2, 6, 23, 0.30);
    transition: transform .18s ease, box-shadow .18s ease;
    cursor: pointer;
    flex-shrink: 0;
    padding: 0;
}
.theme-swatch:hover { transform: scale(1.18); box-shadow: 0 3px 12px rgba(2, 6, 23, 0.45); }
.theme-swatch.on {
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--bg-g3), 0 0 0 4px var(--accent-1);
}
.theme-swatch .tick {
    color: #fff;
    font-size: 12px;
    line-height: 1;
    font-weight: 800;
    mix-blend-mode: difference;
    pointer-events: none;
}

/* 现代下拉 */
.modern-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 9px;
    color: var(--body-text);
    padding: 5px 28px 5px 10px;
    font-size: 12px;
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' 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 8px center;
    background-size: 12px;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.modern-select:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--focus-ring);
}
.modern-select option { background: var(--bg-g1); color: #f3f4f6; }
html[data-theme="light"] .modern-select option { background: #fff; color: #0f172a; }

/* 自定义下拉（集合切换） */
.dd-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 9px;
    color: var(--body-text);
    padding: 5px 10px;
    font-size: 12px;
    cursor: pointer;
    outline: none;
    max-width: 16rem;
    transition: border-color .18s ease, box-shadow .18s ease;
}
.dd-trigger:hover:not(:disabled) { border-color: var(--accent-1); }
.dd-trigger.open {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px var(--focus-ring);
}
.dd-trigger:disabled { opacity: .5; cursor: not-allowed; }
.dd-trigger .chev { transition: transform .2s ease; flex-shrink: 0; }
.dd-trigger.open .chev { transform: rotate(180deg); }
.dd-trigger .dd-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.dd-panel {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    z-index: 60;
    min-width: 100%;
    background: var(--modal-bg);
    border: 1px solid var(--modal-border);
    border-radius: 12px;
    box-shadow: 0 14px 40px var(--glass-shadow);
    backdrop-filter: blur(12px);
    padding: 4px;
    max-height: 15rem;
    overflow-y: auto;
    animation: zoomIn .16s cubic-bezier(.2, .7, .35, 1.1);
}
.dd-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 12px;
    color: var(--body-text);
    text-align: left;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease;
}
.dd-item:hover { background: var(--accent-soft); }
.dd-item.on { color: var(--accent-1); font-weight: 600; }
html[data-theme="light"] .dd-item.on { color: #1d4ed8; }

/* 集合下拉行 + 重命名 */
.dd-row { display: flex; align-items: center; gap: 2px; }
.dd-row .dd-item { flex: 1; min-width: 0; }
.dd-rename {
    flex: none;
    height: 26px;
    padding: 0 8px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: inherit;
    opacity: 0.75;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
    transition: background-color .15s ease, opacity .15s ease;
}
.dd-rename:hover { background: rgba(148, 163, 184, 0.16); opacity: 1; }
html[data-theme="light"] .dd-rename:hover { background: rgba(15, 23, 42, 0.10); }
.dd-delete {
    flex: none;
    height: 26px;
    padding: 0 8px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: #f87171;
    opacity: 0.8;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    line-height: 1;
    white-space: nowrap;
    transition: background-color .15s ease, opacity .15s ease;
}
.dd-delete:hover { background: rgba(248, 113, 113, 0.16); opacity: 1; }
html[data-theme="light"] .dd-delete { color: #dc2626; }
html[data-theme="light"] .dd-delete:hover { background: rgba(220, 38, 38, 0.10); }
.dd-input {
    flex: 1;
    min-width: 0;
    font-size: 12px;
    color: var(--body-text);
    background: var(--input-bg);
    border: 1px solid var(--accent-1);
    border-radius: 8px;
    padding: 5px 8px;
    outline: none;
}

/* 带前缀图标的输入框 */
.input-wrap { position: relative; }
.input-wrap .ico {
    position: absolute;
    left: 9px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--badge-text);
    pointer-events: none;
    display: flex;
}
.input-wrap .input-field.with-ico { padding-left: 30px; }

/* ================= 明亮主题：Tailwind 深色类翻转（覆盖层） ================= */

html[data-theme="light"] .text-gray-100 { color: #0f172a !important; }
html[data-theme="light"] .text-gray-200 { color: #1e293b !important; }
html[data-theme="light"] .text-gray-300 { color: #334155 !important; }
html[data-theme="light"] .text-gray-400 { color: #64748b !important; }
html[data-theme="light"] .text-gray-500 { color: #94a3b8 !important; }
html[data-theme="light"] .text-gray-600 { color: #cbd5e1 !important; }
html[data-theme="light"] .text-slate-300 { color: #334155 !important; }
html[data-theme="light"] .text-slate-400 { color: #64748b !important; }
html[data-theme="light"] .text-slate-500 { color: #94a3b8 !important; }
html[data-theme="light"] .text-blue-400\/80 { color: #1d4ed8 !important; }
html[data-theme="light"] .text-blue-300 { color: #1d4ed8 !important; }
html[data-theme="light"] .hover\:text-white:hover { color: #1e293b !important; }
html[data-theme="light"] .hover\:text-gray-200:hover { color: #1e293b !important; }
html[data-theme="light"] .hover\:text-gray-300:hover { color: #334155 !important; }
html[data-theme="light"] .hover\:bg-white\/5:hover { background-color: rgba(15, 23, 42, 0.05) !important; }
html[data-theme="light"] .hover\:bg-gray-700\/40:hover { background-color: rgba(15, 23, 42, 0.06) !important; }
html[data-theme="light"] .border-gray-700 { border-color: rgba(15, 23, 42, 0.12) !important; }
html[data-theme="light"] .border-gray-600 { border-color: rgba(15, 23, 42, 0.15) !important; }
html[data-theme="light"] .border-slate-600 { border-color: rgba(15, 23, 42, 0.15) !important; }
html[data-theme="light"] .placeholder-gray-400::placeholder { color: #94a3b8 !important; }
html[data-theme="light"] .placeholder-gray-500::placeholder { color: #94a3b8 !important; }
html[data-theme="light"] .bubble-ai { color: #1e293b !important; }
html[data-theme="light"] .bubble-user { color: #fff !important; }
html[data-theme="light"] .src-chip { color: #334155 !important; }
html[data-theme="light"] .src-chip:hover,
html[data-theme="light"] .btn-send,
html[data-theme="light"] .btn-ingest,
html[data-theme="light"] .btn-stop,
html[data-theme="light"] .app-logo { color: #fff !important; }
html[data-theme="light"] .btn-ghost { color: #1e293b !important; }
html[data-theme="light"] .text-green-400 { color: #15803d !important; }
html[data-theme="light"] .text-red-400 { color: #dc2626 !important; }
html[data-theme="light"] .text-yellow-400 { color: #b45309 !important; }
html[data-theme="light"] .text-yellow-500\/80 { color: rgba(180, 83, 9, 0.8) !important; }
/* 明亮主题：右上角模型下拉（恢复浅底深字，避免黑字压深底看不清） */
html[data-theme="light"] .header-model {
    background-color: #ffffff !important;
    color: #0f172a !important;
    border-color: rgba(15, 23, 42, 0.22) !important;
}
html[data-theme="light"] .header-model option {
    background: #ffffff;
    color: #0f172a;
}
html[data-theme="light"] .header-model:disabled {
    opacity: 0.6;
}

/* 共享知识库只读提示（主题感知，浅色下用深色文字保证可读） */
.notice-shared {
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--accent-2);
    background: var(--badge-bg);
    color: var(--body-text);
    border-radius: 10px;
}