/* ============================================================
   评审与分析系统 · 共享主题样式
   浅色（默认）/ 深色 双主题，通过 <html data-theme="dark"> 切换
   所有页面共用的设计令牌与基础组件都放在这里
   ============================================================ */

:root {
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI',
        Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Consolas, 'Liberation Mono', monospace;

    /* ---------- 浅色主题（默认） ---------- */
    --page-bg: linear-gradient(180deg, #f8fbfe 0%, #eef3fa 100%);
    --bg-deep: #f3f6fb;
    --bg-mid: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.82);
    --card-shadow: 0 12px 34px rgba(31, 45, 70, 0.10);
    --border: rgba(24, 39, 75, 0.10);
    --border-strong: rgba(24, 39, 75, 0.20);
    --text-primary: #1c2740;
    --text-muted: #66768f;

    --accent-gold: #a97b1a;
    --accent-rose: #c25a78;
    --accent-cyan: #1f8a9c;
    --accent-green: #2f8f60;
    --accent-violet: #6b4fd0;
    --accent-blue: #3f63c8;
    --glow-gold: rgba(169, 123, 26, 0.28);

    --grad-gold: linear-gradient(135deg, #c08a1e, #9a6c0c);
    --grad-cyan: linear-gradient(135deg, #2aa1b5, #1c7a8b);
    --grad-rose: linear-gradient(135deg, #d0708c, #b34f6c);

    --btn-on-accent: #ffffff;

    --surface-inset: rgba(24, 39, 75, 0.045);
    --surface-soft: rgba(24, 39, 75, 0.03);
    --surface-hover: rgba(24, 39, 75, 0.055);
    --overlay: rgba(18, 27, 45, 0.42);
    --scroll-thumb: rgba(24, 39, 75, 0.22);

    --aurora-1: radial-gradient(circle, rgba(130, 205, 222, 0.50) 0%, transparent 70%);
    --aurora-2: radial-gradient(circle, rgba(238, 206, 140, 0.46) 0%, transparent 70%);
    --aurora-3: radial-gradient(circle, rgba(242, 188, 205, 0.42) 0%, transparent 70%);
    --aurora-opacity: 0.9;
    --stars-opacity: 0;

    --radius-card: 1rem;
}

[data-theme="dark"] {
    --page-bg: linear-gradient(180deg, #0a0e1a 0%, #0d1424 100%);
    --bg-deep: #0a0e1a;
    --bg-mid: #111827;
    --card-bg: rgba(20, 30, 50, 0.60);
    --card-shadow: 0 12px 34px rgba(0, 0, 0, 0.35);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.20);
    --text-primary: #e8eef7;
    --text-muted: #8b9fc5;

    --accent-gold: #d4a853;
    --accent-rose: #e89cac;
    --accent-cyan: #5ec8d6;
    --accent-green: #6dbf8e;
    --accent-violet: #b48cff;
    --accent-blue: #8bb4ff;
    --glow-gold: rgba(212, 168, 83, 0.40);

    --grad-gold: linear-gradient(135deg, #d4a853, #b8942e);
    --grad-cyan: linear-gradient(135deg, #5ec8d6, #4aa8b5);
    --grad-rose: linear-gradient(135deg, #e89cac, #d17f95);

    --btn-on-accent: #0a0e1a;

    --surface-inset: rgba(0, 0, 0, 0.25);
    --surface-soft: rgba(255, 255, 255, 0.035);
    --surface-hover: rgba(255, 255, 255, 0.05);
    --overlay: rgba(0, 0, 0, 0.70);
    --scroll-thumb: rgba(255, 255, 255, 0.20);

    --aurora-1: radial-gradient(circle, rgba(94, 200, 214, 0.30) 0%, transparent 70%);
    --aurora-2: radial-gradient(circle, rgba(212, 168, 83, 0.25) 0%, transparent 70%);
    --aurora-3: radial-gradient(circle, rgba(232, 156, 172, 0.20) 0%, transparent 70%);
    --aurora-opacity: 0.5;
    --stars-opacity: 1;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
    font-family: var(--font-sans);
    background: var(--page-bg);
    background-attachment: fixed;
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

body { transition: background 0.4s ease, color 0.3s ease; }

/* ---------- 背景装饰 ---------- */
.bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: var(--aurora-opacity);
    transition: opacity 0.5s ease;
    animation: aurora-drift 20s ease-in-out infinite;
}

.aurora-1 { width: 600px; height: 600px; background: var(--aurora-1); top: -200px; left: -100px; }
.aurora-2 { width: 500px; height: 500px; background: var(--aurora-2); top: 50%; right: -150px; animation-delay: -7s; }
.aurora-3 { width: 450px; height: 450px; background: var(--aurora-3); bottom: -100px; left: 30%; animation-delay: -14s; }

@keyframes aurora-drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -20px) scale(1.05); }
    50% { transform: translate(-20px, 30px) scale(0.95); }
    75% { transform: translate(20px, 20px) scale(1.02); }
}

.stars {
    position: absolute;
    inset: 0;
    opacity: var(--stars-opacity);
    transition: opacity 0.5s ease;
    background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255, 255, 255, 0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 70%, rgba(255, 255, 255, 0.6) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 20%, rgba(255, 255, 255, 0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 50%, rgba(255, 255, 255, 0.5) 0%, transparent 100%);
    animation: stars-twinkle 4s ease-in-out infinite;
}

@keyframes stars-twinkle {
    0%, 100% { opacity: var(--stars-opacity); }
    50% { opacity: calc(var(--stars-opacity) * 0.55); }
}

/* ---------- 卡片 ---------- */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--card-shadow);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0.45;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-title .spacer { flex: 1; }

.card-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 1.1rem;
    line-height: 1.6;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.65rem 1.15rem;
    border-radius: 0.6rem;
    font-weight: 500;
    font-size: 0.86rem;
    cursor: pointer;
    transition: transform 0.22s ease, box-shadow 0.22s ease,
        background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
    border: none;
    font-family: inherit;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-primary { background: var(--grad-cyan); color: var(--btn-on-accent); }
.btn-primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(31, 138, 156, 0.32); }

.btn-gold { background: var(--grad-gold); color: var(--btn-on-accent); }
.btn-gold:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 26px var(--glow-gold); }

.btn-success { background: var(--grad-cyan); color: var(--btn-on-accent); }
.btn-success:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(31, 138, 156, 0.32); }

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
}
.btn-secondary:hover:not(:disabled) { border-color: var(--accent-cyan); color: var(--accent-cyan); }

.btn-danger {
    background: transparent;
    border: 1px solid var(--accent-rose);
    color: var(--accent-rose);
}
.btn-danger:hover:not(:disabled) { background: var(--surface-hover); }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--accent-rose); color: var(--accent-rose); }

.btn-tiny { padding: 0.34rem 0.7rem; font-size: 0.75rem; border-radius: 0.45rem; }

/* ---------- 表单 ---------- */
input[type="text"], input[type="password"], input[type="number"], textarea, select {
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    background: var(--surface-soft);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent-gold);
    background: var(--surface-inset);
    box-shadow: 0 0 0 3px var(--glow-gold);
}

input::placeholder, textarea::placeholder { color: var(--text-muted); opacity: 0.75; }

textarea { resize: vertical; line-height: 1.6; font-family: var(--font-mono); font-size: 0.8rem; }

label { display: block; font-size: 0.8rem; font-weight: 500; margin-bottom: 0.4rem; color: var(--text-muted); }

/* ---------- 标签 ---------- */
.tag {
    display: inline-block;
    padding: 0.14rem 0.55rem;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid transparent;
    white-space: nowrap;
}

.tag-active { background: rgba(47, 143, 96, 0.14); color: var(--accent-green); border-color: rgba(47, 143, 96, 0.35); }
.tag-closed { background: rgba(194, 90, 120, 0.14); color: var(--accent-rose); border-color: rgba(194, 90, 120, 0.35); }
.tag-muted { background: var(--surface-soft); color: var(--text-muted); border-color: var(--border); }

[data-theme="dark"] .tag-active { background: rgba(109, 191, 142, 0.16); border-color: rgba(109, 191, 142, 0.35); }
[data-theme="dark"] .tag-closed { background: rgba(232, 156, 172, 0.16); border-color: rgba(232, 156, 172, 0.35); }

/* ---------- 统计条 ---------- */
.stat-item {
    background: var(--surface-inset);
    padding: 0.9rem;
    border-radius: 0.75rem;
    text-align: center;
}
.stat-value { font-size: 1.5rem; font-weight: 700; color: var(--accent-gold); }
.stat-label { font-size: 0.74rem; color: var(--text-muted); margin-top: 0.2rem; }

.progress-bar { height: 5px; background: var(--surface-inset); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold)); border-radius: 3px; transition: width 0.3s ease; }
.progress-mini { height: 5px; background: var(--surface-inset); border-radius: 3px; overflow: hidden; min-width: 70px; }
.progress-mini > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-cyan), var(--accent-gold)); }

/* ---------- 表格 ---------- */
.table-wrapper { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
th, td { padding: 0.65rem 0.6rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { background: var(--surface-inset); font-weight: 600; color: var(--text-muted); white-space: nowrap; }
tbody tr:hover, tr:hover { background: var(--surface-hover); }

/* ---------- 提示条 ---------- */
.hint { font-size: 0.76rem; color: var(--text-muted); line-height: 1.65; }
.empty-hint { color: var(--text-muted); font-size: 0.85rem; padding: 0.75rem 0; }

/* ---------- 弹窗 ---------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 200;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.modal.show { display: flex; }

.modal-content {
    background: var(--bg-mid);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--card-shadow);
    width: 100%;
    max-width: 480px;
    max-height: 88vh;
    overflow: auto;
}
.modal-header { padding: 1.15rem 1.25rem; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; align-items: center; gap: 0.5rem; }
.modal-body { padding: 1.25rem; }
.modal-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); display: flex; gap: 0.6rem; justify-content: flex-end; flex-wrap: wrap; }

/* ---------- 轻提示 ---------- */
.toast {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: var(--bg-mid);
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
    color: var(--text-primary);
    padding: 0.85rem 1.4rem;
    border-radius: 0.65rem;
    font-size: 0.88rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 300;
    max-width: 90vw;
    text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.toast.error { border-color: var(--accent-rose); color: var(--accent-rose); }

/* ---------- 命题标签（评审 / 分析共用） ---------- */
.topic-tag {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.15rem 0.5rem;
    background: rgba(63, 99, 200, 0.14);
    color: var(--accent-blue);
    border: 1px solid rgba(63, 99, 200, 0.3);
    border-radius: 10px;
    font-size: 0.74rem;
    font-weight: 500;
}
[data-theme="dark"] .topic-tag { background: rgba(100, 140, 255, 0.2); border-color: rgba(100, 140, 255, 0.3); }

/* ---------- 主题切换按钮 ---------- */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex: none;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--surface-soft);
    color: var(--text-muted);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: transform 0.25s ease, color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.theme-toggle:hover { color: var(--accent-gold); border-color: var(--accent-gold); transform: translateY(-1px); }
.theme-toggle:active { transform: scale(0.94); }
.theme-toggle svg { width: 18px; height: 18px; pointer-events: none; }

.theme-toggle--floating {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 120;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--card-shadow);
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scroll-thumb); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }