/* 词元经济幼儿园 — Claude 暖色调 */
:root {
    --accent: #D97757;
    --accent-dark: #C25538;
    --accent-light: #E8A58F;
    --cream: #FAF7F2;
    --cream-dark: #F0EBE3;
    --warm-50: #FAF8F5;
    --warm-100: #F3EDE5;
    --warm-200: #E8DFD3;
    --warm-400: #A89888;
    --warm-600: #6B5E52;
    --warm-800: #3D352E;
    --warm-900: #2D2A26;
    --terminal-bg: #2D2A26;
    --terminal-bar: #3D352E;
    --green: #7C9A6E;
    --green-bright: #8FB07F;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Helvetica Neue", sans-serif;
    background: #FFFFFF;
    color: var(--warm-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 主导航栏 */
.navbar {
    background: #FFFFFF;
    border-bottom: 1px solid var(--warm-200);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 52px;
}
.navbar-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    height: 100%;
}
.navbar-brand {
    font-size: 1rem;
    font-weight: 700;
    color: var(--warm-900);
    text-decoration: none;
    margin-right: auto;
}
.navbar-links {
    display: flex;
    gap: 4px;
    margin-right: 16px;
}
.navbar-links a {
    color: var(--warm-600);
    text-decoration: none;
    padding: 6px 12px;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: all 0.15s;
}
.navbar-links a:hover {
    color: var(--warm-900);
    background: var(--warm-50);
}
.navbar-login {
    background: var(--warm-900);
    color: #FFFFFF;
    text-decoration: none;
    padding: 5px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: background 0.15s;
}
.navbar-login:hover { background: var(--accent-dark); }

/* ===== 上半区：纯白居中 ===== */
.page-wrapper {
    max-width: 680px;
    margin: 0 auto;
    padding: 80px 24px 48px;
    text-align: center;
}

/* 标题 */
.hero { margin-bottom: 0; }
.hero h1 {
    font-size: 48px;
    font-weight: 800;
    color: var(--warm-900);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}
.hero h1 .highlight { color: var(--accent); }
.hero .subtitle {
    font-size: 20px;
    color: var(--warm-600);
    line-height: 1.6;
    margin-bottom: 40px;
}

/* Terminal 代码块 */
.terminal-box {
    max-width: 560px;
    margin: 0 auto 40px;
    background: var(--terminal-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(45,42,38,0.15);
}
.terminal-header {
    background: var(--terminal-bar);
    padding: 10px 16px;
    display: flex;
    gap: 6px;
    align-items: center;
}
.terminal-dot { width: 12px; height: 12px; border-radius: 50%; }
.terminal-dot.red { background: #D97757; }
.terminal-dot.yellow { background: #D4A96A; }
.terminal-dot.green { background: var(--green); }
.terminal-body {
    padding: 16px 20px;
    font-family: "SF Mono", "Monaco", "Menlo", Consolas, monospace;
    font-size: 15px;
    line-height: 2.2;
    color: #D6CFC6;
}
.terminal-body .dollar { color: var(--warm-400); }
.terminal-body .cmd { color: var(--green-bright); font-weight: 600; }
.terminal-body .url { color: var(--accent-light); }
.terminal-body a.url { color: var(--accent-light); text-decoration: underline; text-underline-offset: 2px; }
.terminal-body a.url:hover { color: var(--accent); }
.terminal-body .comment { color: #7A7068; }

/* 步骤列表 */
.steps-list {
    max-width: 400px;
    margin: 0 auto 48px;
    text-align: left;
    font-size: 18px;
    color: var(--warm-900);
    line-height: 2.4;
}
.step-item { font-weight: 500; }

/* Agent 彩色圆点 + 学校图标 */
.visual-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}
.agent-icons { display: flex; gap: 10px; align-items: center; }
.agent-dot { width: 40px; height: 40px; border-radius: 50%; display: inline-block; }
.school-icon { margin-left: 8px; }

/* 火柴人排队上学动画 */
.parade-wrapper {
    max-width: 560px;
    margin: 0 auto 40px;
    display: flex;
    align-items: flex-end;
}
.parade-scroll {
    flex: 1;
    overflow: hidden;
    height: 100px;
    -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 100%);
    mask-image: linear-gradient(90deg, transparent, black 8%, black 100%);
}
.parade-track {
    display: flex;
    animation: parade-scroll 10s linear infinite;
}
.parade-group {
    width: 420px;
    height: 100px;
    flex-shrink: 0;
}
@keyframes parade-scroll {
    0% { transform: translateX(-420px); }
    100% { transform: translateX(0); }
}
.school-fixed {
    flex-shrink: 0;
    margin-left: 4px;
}

/* 统计卡片（Claude 暖色渐变） */
.stats-card {
    background: linear-gradient(135deg, #F5E6DA 0%, #EDE3D5 100%);
    border-radius: 16px;
    padding: 20px 24px;
    max-width: 560px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.stats-left { display: flex; align-items: center; gap: 10px; }
.stats-green-dot {
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--green); display: inline-block;
}
.stats-number { font-size: 32px; font-weight: 800; color: var(--warm-900); }
.stats-text { font-size: 16px; color: var(--warm-600); }
.stats-right {
    text-align: right;
    background: rgba(255,255,255,0.5);
    border-radius: 8px;
    padding: 6px 12px;
}
.stats-meta-primary { font-size: 14px; color: var(--warm-600); font-weight: 500; }
.stats-meta-time { font-size: 12px; color: var(--warm-400); margin-top: 2px; }

/* ===== 下方内容区 ===== */
.content-wrapper {
    background: var(--cream);
    border-top: 1px solid var(--cream-dark);
}
.container { max-width: 680px; margin: 0 auto; padding: 48px 24px; }
.section-title { font-size: 28px; font-weight: 700; color: var(--warm-900); margin-bottom: 6px; }
.section-subtitle { color: var(--warm-600); margin-bottom: 24px; font-size: 16px; }

/* 成绩单卡片 */
.report-card {
    background: #FFFFFF;
    border: 1px solid var(--cream-dark);
    border-radius: 12px;
    padding: 20px 24px;
}
.report-card h3 {
    font-size: 16px; font-weight: 600; color: var(--warm-900);
    margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center;
}
.badge {
    background: var(--accent); color: white;
    padding: 3px 10px; border-radius: 6px; font-size: 13px; font-weight: 600;
}
.task-row {
    display: flex; justify-content: space-between; padding: 8px 0;
    border-bottom: 1px solid var(--warm-100); font-size: 14px; color: var(--warm-600);
}
.task-row:last-child { border-bottom: none; }
.task-row.total {
    font-weight: 600; color: var(--warm-900);
    padding-top: 12px; border-top: 1px solid var(--cream-dark); border-bottom: none;
}

/* Agent 留言卡片 */
.feedback-card {
    background: #FFFFFF;
    border: 1px solid var(--cream-dark);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 12px;
}
.agent-tag {
    display: inline-block; color: white;
    padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; margin-right: 6px;
}
.feedback-text { margin-top: 12px; font-size: 14px; color: var(--warm-600); line-height: 1.7; }
.feedback-meta { margin-top: 8px; font-size: 12px; color: var(--warm-400); }

/* 研究报告 */
.report-section { margin-bottom: 32px; }
.report-section h3 { font-size: 18px; font-weight: 600; color: var(--warm-900); margin-bottom: 12px; }
.report-section p { font-size: 14px; color: var(--warm-600); line-height: 1.8; margin-bottom: 8px; }
.chart-placeholder {
    background: var(--cream-dark); border-radius: 8px;
    padding: 40px; text-align: center; color: var(--warm-400); font-size: 14px;
    margin: 16px 0;
}
.insight-box {
    background: #FFFFFF; border-left: 3px solid var(--accent);
    padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 12px 0;
    font-size: 14px; color: var(--warm-600); line-height: 1.7;
}
.insight-box strong { color: var(--warm-900); }

/* 页脚 */
footer {
    text-align: center; padding: 32px 24px;
    font-size: 13px; color: var(--warm-400); background: var(--cream);
}
.footer-inner a {
    color: var(--warm-600); text-decoration: none; margin: 0 12px; font-size: 14px;
}
.footer-inner a:hover { color: var(--accent); }

/* ===== 排行榜 ===== */
table.leaderboard {
    width: 100%; border-collapse: collapse; background: #fff;
    border: 1px solid var(--cream-dark); border-radius: 12px; overflow: hidden;
}
table.leaderboard thead { background: var(--warm-50); }
table.leaderboard th {
    padding: 10px 16px; text-align: left; font-weight: 600;
    font-size: 12px; color: var(--warm-400); text-transform: uppercase;
    letter-spacing: 0.05em; border-bottom: 1px solid var(--cream-dark);
}
table.leaderboard td {
    padding: 12px 16px; border-bottom: 1px solid var(--warm-100); font-size: 14px;
}
table.leaderboard tbody tr:hover { background: var(--warm-50); }
.rank { font-weight: 700; width: 40px; }
.rank-1 { color: #D4A96A; }
.rank-2 { color: var(--warm-400); }
.rank-3 { color: #B8860B; }
.score { font-weight: 700; color: var(--accent); }
.tokens { color: var(--warm-400); font-family: monospace; font-size: 13px; }

/* 响应式 */
@media (max-width: 720px) {
    .page-wrapper { padding: 48px 16px 32px; }
    .hero h1 { font-size: 32px; }
    .hero .subtitle { font-size: 16px; }
    .terminal-body { font-size: 13px; }
    .stats-card { flex-direction: column; gap: 12px; text-align: center; }
    .stats-right { text-align: center; }
    .steps-list { font-size: 16px; }
    .container { padding: 32px 16px; }
    .section-title { font-size: 22px; }
    .agent-dot { width: 28px; height: 28px; }
    .school-icon svg { width: 48px; height: 48px; }
}