/* ===== 2027届高考日记 — 暗色主题 ===== */
/* 配色与副本一致 */

:root {
  --bg: #0a0e1a;
  --card: #11182b;
  --gold: #f0c040;
  --cyan: #67e8f9;
  --red: #f87171;
  --green: #6ee7b7;
  --purple: #a78bfa;
  --orange: #fb923c;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(103,232,249,0.15);
}

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

body {
  font-family: 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== 顶部信息栏 ===== */
.top-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 20px 16px 12px;
  flex-wrap: wrap;
}

.top-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 16px;
  text-align: center;
  min-width: 72px;
}

.top-stat-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
}

.top-stat-label {
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

/* ===== 封面 ===== */
.diary-cover {
  text-align: center;
  padding: 40px 20px 30px;
  position: relative;
}

.diary-cover::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.diary-title {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 4px;
  margin-bottom: 8px;
}

.diary-sub {
  font-size: 15px;
  color: var(--muted);
  letter-spacing: 2px;
}

/* ===== 周次网格 ===== */
.week-grid-section {
  padding: 0 20px 20px;
  max-width: 800px;
  margin: 0 auto;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
}

.week-cell {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 4px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}

.week-cell:hover {
  border-color: var(--gold);
  background: rgba(240,192,64,0.06);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(240,192,64,0.1);
}

.week-cell.active {
  border-color: var(--gold);
  background: linear-gradient(135deg, rgba(240,192,64,0.15), rgba(103,232,249,0.08));
  box-shadow: 0 0 16px rgba(240,192,64,0.15);
}

.week-cell.current {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(103,232,249,0.15);
}

.week-cell.current::after {
  content: '●';
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 8px;
  color: var(--cyan);
}

.week-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.week-cell.active .week-num {
  color: var(--gold);
}

.week-cell.current .week-num {
  color: var(--cyan);
}

/* 周次学习进度标记 */
.week-cell.completed {
  border-color: var(--green);
  background: rgba(110,231,183,0.08);
}
.week-cell.in-progress {
  border-color: var(--orange);
  background: rgba(251,146,60,0.05);
}
.week-status {
  font-size: 9px;
  margin-top: 4px;
  font-weight: 700;
}
.week-status.complete {
  color: var(--green);
}
.week-status.partial {
  color: var(--orange);
}

.week-label {
  font-size: 10px;
  color: var(--muted);
  margin-top: 2px;
}

/* ===== 周次内容面板 ===== */
.week-panel {
  display: none;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px 20px;
}

.week-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.week-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.week-panel-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}

.week-panel-date {
  font-size: 13px;
  color: var(--muted);
}

.week-panel-close {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.week-panel-close:hover {
  color: var(--text);
  border-color: var(--muted);
}

/* 内容区双栏 */
.week-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.section-title::before {
  content: '';
  width: 3px;
  height: 14px;
  background: var(--gold);
  border-radius: 2px;
}

/* 知识点列表 */
.topic-list {
  list-style: none;
}

.topic-list li {
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.2s;
}

.topic-list li:hover {
  border-color: rgba(103,232,249,0.3);
}

.topic-list li.placeholder {
  color: var(--muted);
  font-style: italic;
  opacity: 0.6;
}

/* 任务列表 */
.task-list {
  list-style: none;
}

.task-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(240,192,64,0.04);
  border: 1px solid rgba(240,192,64,0.12);
  border-radius: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text);
}

.task-list li input[type="checkbox"] {
  accent-color: var(--gold);
  width: 16px;
  height: 16px;
}

/* 学习心得 */
.notes-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  min-height: 80px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
  margin-top: 12px;
}

/* ===== 小书区域 ===== */
.mini-books-section {
  max-width: 800px;
  margin: 20px auto 0;
  padding: 0 20px;
}

.mini-books-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
  text-align: center;
  letter-spacing: 2px;
}

.mini-books-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.mini-book {
  width: 120px;
  padding: 18px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  color: var(--text);
}

.mini-book:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(240,192,64,0.1);
}

.mini-book-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.mini-book-title {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
}

/* 不同小书的颜色 */
.mini-book.nickname { border-color: rgba(167,139,250,0.2); }
.mini-book.nickname:hover { border-color: var(--purple); box-shadow: 0 6px 20px rgba(167,139,250,0.1); }

.mini-book.equation { border-color: rgba(110,231,183,0.2); }
.mini-book.equation:hover { border-color: var(--green); box-shadow: 0 6px 20px rgba(110,231,183,0.1); }

.mini-book.wrong { border-color: rgba(248,113,113,0.2); }
.mini-book.wrong:hover { border-color: var(--red); box-shadow: 0 6px 20px rgba(248,113,113,0.1); }

/* ===== 底部 ===== */
.footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--muted);
  font-size: 12px;
  opacity: 0.6;
}

/* ===== 响应式 ===== */
@media (max-width: 600px) {
  .diary-title {
    font-size: 24px;
    letter-spacing: 2px;
  }

  .diary-sub {
    font-size: 13px;
  }

  .week-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }

  .week-cell {
    padding: 10px 2px;
    border-radius: 8px;
  }

  .week-num {
    font-size: 16px;
  }

  .week-content {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .top-bar {
    gap: 8px;
    padding: 12px 12px 8px;
  }

  .top-stat {
    padding: 6px 10px;
    min-width: 60px;
  }

  .top-stat-num {
    font-size: 16px;
  }

  .mini-books-row {
    gap: 12px;
  }

  .mini-book {
    width: 100px;
    padding: 14px 10px;
  }
}