/* ============================================================
   卷宗档案风 · 共享设计系统（criminal-llm-auth 全站共用）
   用法：<link rel="stylesheet" href="/static/dossier.css">
   ============================================================ */

:root {
    /* 纸面 */
    --bg-primary: #f7f4ec;
    --bg-secondary: #efe9db;
    --bg-card: #fdfbf5;
    --bg-elevated: #fdfbf5;
    --bg-hover: #f1ebdd;

    /* 墨色 */
    --text-primary: #1c1a17;
    --text-secondary: #57534a;
    --text-muted: #8a8478;

    /* 印章红（全站唯一 accent） */
    --accent: #a63d2f;
    --accent-hover: #8f3226;
    --accent-muted: rgba(166, 61, 47, 0.08);

    /* 印刷线 */
    --border: rgba(28, 26, 23, 0.16);
    --border-subtle: rgba(28, 26, 23, 0.08);

    --shadow-sm: 0 1px 2px rgba(28,26,23,0.06);
    --shadow-md: 0 6px 18px rgba(28,26,23,0.09);
    --shadow-lg: 0 14px 40px rgba(28,26,23,0.13);

    --serif: 'Noto Serif SC', 'Songti SC', serif;
    --sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    --mono: 'SF Mono', 'JetBrains Mono', Menlo, Monaco, Consolas, monospace;

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

[data-theme="dark"] {
    --bg-primary: #17140f;
    --bg-secondary: #1e1a13;
    --bg-card: #221d15;
    --bg-elevated: #292218;
    --bg-hover: #2c251a;

    --text-primary: #ede6d6;
    --text-secondary: #a89f8c;
    --text-muted: #6f6858;

    --accent: #c85540;
    --accent-hover: #d96a54;
    --accent-muted: rgba(200, 85, 64, 0.14);

    --border: rgba(237, 230, 214, 0.14);
    --border-subtle: rgba(237, 230, 214, 0.07);

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 6px 18px rgba(0,0,0,0.4);
    --shadow-lg: 0 14px 40px rgba(0,0,0,0.5);
}

/* ===== 基础 ===== */
html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-tap-highlight-color: transparent;
    transition: background var(--transition-normal), color var(--transition-normal);
}

/* 纸张噪点（全站统一质感） */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
    opacity: 0.35;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

/* ===== 共享组件 ===== */

/* 印章 logo */
.d-seal {
    width: 34px;
    height: 34px;
    background: var(--accent);
    border-radius: 7px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 0 1.5px rgba(253,251,245,0.35);
    transform: rotate(-3deg);
    flex-shrink: 0;
}
.d-seal svg { width: 19px; height: 19px; stroke: #fdfbf5; }

/* 按钮 */
.d-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--sans);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.d-btn-primary { background: var(--accent); color: #fdfbf5; }
.d-btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.d-btn-primary:active { transform: translateY(0) scale(0.98); }
.d-btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.d-btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.d-btn-outline:active { transform: scale(0.98); }
.d-btn svg { width: 16px; height: 16px; }

/* 档案编号小节标 */
.d-kicker {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 10px;
}
.d-kicker::after { content: ''; flex: 0 0 56px; height: 1px; background: var(--accent); opacity: 0.6; }

/* 档案卡（实线边框，hover 红染） */
.d-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
}
.d-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }

/* 档案袋标签 */
.d-tab {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: #fdfbf5;
    background: var(--accent);
    padding: 4px 12px;
    border-radius: 3px 3px 0 0;
    display: inline-block;
}

/* 批注条 */
.d-note {
    background: var(--accent-muted);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    padding: 13px 18px;
    font-size: 14px;
    color: var(--text-secondary);
}
.d-note b, .d-note strong { color: var(--accent); }

/* 主题切换按钮 */
.d-theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--border);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}
.d-theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.d-theme-toggle svg { width: 18px; height: 18px; }
[data-theme="light"] .d-theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .d-theme-toggle .icon-sun { display: none; }

/* ===== 滚动揭示（dossier.js 驱动，无 GSAP 时的底线动效） ===== */
.rv {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--rv-delay, 0s);
    will-change: opacity, transform;
}
.rv.rv-in { opacity: 1; transform: none; }

/* 盖章动画关键帧（页面级可复用） */
@keyframes d-stamp {
    0%   { opacity: 0; transform: rotate(10deg) scale(1.8); }
    55%  { opacity: 1; transform: rotate(10deg) scale(0.94); }
    75%  { transform: rotate(10deg) scale(1.04); }
    100% { opacity: 1; transform: rotate(10deg) scale(1); }
}
.d-stamp-anim { animation: d-stamp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both; }

/* ===== 降级 ===== */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .rv { opacity: 1; transform: none; transition: none; }
    .d-stamp-anim { animation: none; }
    * { transition-duration: 0.01ms !important; }
}