/* ===== 设计系统：「纸本花园」 ===== */
:root {
  --paper: #f7f3ee;
  --card: #ffffff;
  --ink: #2d2a24;
  --ink-light: #8a847c;
  --green: #7a9e7e;
  --green-light: #eaf0e6;
  --terracotta: #c97b5a;
  --terracotta-light: #f5e6de;
  --border: #e5dfd7;
  --radius: 14px;
  --shadow: 0 2px 12px rgba(45,42,36,0.06);
  --shadow-sm: 0 1px 4px rgba(45,42,36,0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, 'PingFang SC', 'Noto Sans SC', sans-serif;
  background: var(--paper);
  color: var(--ink);
  max-width: 480px;
  margin: 0 auto;
  padding: 0 0 64px 0;
  min-height: 100vh;
  -webkit-user-select: none;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

/* ===== Tab 导航 ===== */
.tab-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-width: 480px; margin: 0 auto;
  display: flex;
  background: var(--card);
  border-top: 1px solid var(--border);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom, 0);
  padding: 8px 12px;
  gap: 0;
}
.tab-nav button {
  flex: 1;
  padding: 8px 0 6px;
  margin: 0 4px;
  border: none;
  background: transparent;
  font-size: 12px;
  color: var(--ink-light);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  border-radius: 12px;
  transition: all 0.2s;
}
.tab-nav button .tab-icon { font-size: 22px; }
.tab-nav button.active { color: var(--green); font-weight: 600; background: var(--green-light); }

/* ===== Tab 内容 ===== */
.tab-content { display: none; padding: 16px; }
.tab-content.active { display: block; }

.module-header {
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
.module-header h2 { font-size: 22px; font-weight: 600; color: var(--ink); }

/* ===== 公共组件 ===== */
button {
  border: none;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}
button:active { transform: scale(0.96); opacity: 0.8; }
.btn-primary { background: var(--green); color: #fff; padding: 10px 20px; font-weight: 500; }
.btn-secondary { background: var(--border); color: var(--ink); padding: 8px 16px; }
.btn-warn { background: var(--terracotta); color: #fff; padding: 10px 20px; font-weight: 500; }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }

input, select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  outline: none;
  background: var(--card);
  color: var(--ink);
  font-family: inherit;
}
input:focus, select:focus { border-color: var(--green); }

.empty-state {
  text-align: center;
  color: var(--ink-light);
  padding: 50px 0;
  font-size: 15px;
}

/* ===== 底部栏（日程） ===== */
.sched-content { padding-bottom: 140px; }

.sched-bottom-bar {
  position: fixed;
  bottom: 90px;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 12px 16px 14px !important;
  z-index: 50;
}

.sched-bottom-bar .remind-panel {
  display: flex;
  justify-content: center;
  margin-bottom: 12px !important;
  padding: 0 !important;
}
.sched-bottom-bar .remind-panel input {
  padding: 7px 10px;
  font-size: 12px;
  border-radius: 8px;
  background: var(--paper);
  border: 1px solid var(--border);
  margin: 0 5px !important;
}
.sched-bottom-bar .remind-panel input:first-child { margin-left: 0 !important; }
.sched-bottom-bar .remind-panel input:last-child { margin-right: 0 !important; }

.sched-bottom-bar .schedule-form {
  display: flex !important;
  align-items: center !important;
  padding: 0 !important;
}
.sched-bottom-bar .btn-mic {
  margin-right: 10px !important;
  flex-shrink: 0;
}
.sched-bottom-bar .schedule-form input {
  flex: 1 !important;
  min-width: 0 !important;
  padding: 10px 14px;
  font-size: 15px;
  border-radius: 10px;
  background: var(--paper);
  border: none !important;
  outline: none !important;
}
.sched-bottom-bar .schedule-form input:focus {
  background: var(--card);
  box-shadow: 0 0 0 1.5px var(--green) !important;
}
.sched-bottom-bar .schedule-form .btn-primary {
  margin-left: 10px !important;
  flex-shrink: 0;
}

.schedule-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-size: 13px;
}
.filter-btn {
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--border);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--ink-light);
}
.filter-btn.active { background: var(--green); color: #fff; }
.sched-count { margin-left: auto; color: var(--ink-light); font-size: 12px; }

/* ===== 日程列表 ===== */
.sched-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--card);
  border-radius: var(--radius);
  margin-bottom: 8px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s;
}
.sched-item.done { opacity: 0.45; }
.sched-item.done .sched-text { text-decoration: line-through; }
.sched-item.editing { box-shadow: 0 0 0 1.5px var(--green); }
.sched-check { font-size: 18px; cursor: pointer; flex-shrink: 0; margin-top: 2px; }
.sched-body { flex: 1; min-width: 0; }
.sched-text { font-size: 15px; display: block; line-height: 1.4; }
.sched-meta {
  display: flex;
  margin-top: 6px;
  font-size: 12px;
}
.sched-remind { color: var(--terracotta); cursor: pointer; }
.sched-created {
  color: var(--ink-light);
  font-size: 11px;
  margin-left: auto;
}
.sched-del {
  color: #d0cac2;
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.sched-del:hover { color: var(--terracotta); }

.sched-edit-remind {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.sched-edit-remind input {
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 8px;
  color-scheme: light;
}

/* ===== 语音 ===== */
.btn-mic {
  padding: 8px 10px;
  border: none;
  border-radius: 10px;
  background: var(--paper);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: all 0.2s;
  flex-shrink: 0;
}
.btn-mic:active { background: var(--border); }
.voice-status {
  text-align: center;
  font-size: 13px;
  color: var(--green);
  padding: 6px;
  margin-bottom: 6px;
  animation: pulse 1s infinite;
}
@keyframes pulse {
  0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; }
}

/* ===== 番茄钟 ===== */
.pomo-circle {
  text-align: center;
  padding: 40px 0 20px;
}
.pomo-timer {
  font-size: 68px;
  font-weight: 200;
  letter-spacing: 6px;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.pomo-timer.rest { color: var(--green); }
.pomo-label {
  font-size: 15px;
  color: var(--ink-light);
  margin-top: 10px;
}
.pomo-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}
.pomo-settings {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--ink-light);
}
.pomo-settings label { display: flex; align-items: center; gap: 6px; }
.pomo-settings input {
  width: 50px;
  text-align: center;
  padding: 6px;
  font-size: 14px;
}
.pomo-stats {
  text-align: center;
  font-size: 14px;
  color: var(--ink-light);
  padding: 14px;
  background: var(--green-light);
  border-radius: var(--radius);
}

/* ===== 舒尔特方格 ===== */
.sc-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--ink-light);
}
.sc-best {
  text-align: center;
  padding: 8px;
  background: var(--terracotta-light);
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
}
.sc-grid {
  display: grid;
  gap: 4px;
  max-width: 340px;
  width: 85vw;
  margin: 40px auto 16px;
}
.sc-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border-radius: 10px;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
  box-shadow: var(--shadow-sm);
}
.sc-cell:active { transform: scale(0.93); }
.sc-cell.done { background: var(--green-light); color: var(--green); }
.sc-cell.wrong { background: var(--terracotta-light); color: var(--terracotta); }
.sc-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}
.sc-controls select {
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 14px;
}
.sc-tips {
  text-align: center;
  font-size: 13px;
  color: var(--ink-light);
}