/* ═══════════════════════════════════════
   ⚡ 多多任务终端 — 赛博风主题
   ═══════════════════════════════════════ */

/* ─── 变量 ─── */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1525;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.06);
  --border-color: rgba(0,240,255,0.15);
  --border-glow: rgba(0,240,255,0.4);
  --text-primary: #e0e0e0;
  --text-secondary: #8899aa;
  --text-muted: #556677;
  --cyan: #00f0ff;
  --purple: #a855f7;
  --green: #22ff88;
  --red: #ff3355;
  --amber: #fbbf24;
  --orange: #ff8844;
  --gray: #9ca3af;
  --blue: #3b82f6;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --font-sans: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ─── 基础 ─── */
* { margin:0; padding:0; box-sizing:border-box; }
html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
}
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(0,240,255,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,240,255,0.4); }
::selection { background: rgba(0,240,255,0.3); }

/* ─── App 容器 ─── */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 100%;
}

/* ─── 顶栏 ─── */
#header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: linear-gradient(135deg, #0a0e1a 0%, #0f1525 100%);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  font-size: 24px;
  filter: drop-shadow(0 0 8px var(--cyan));
}
#header h1 {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.version {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: rgba(0,240,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(0,240,255,0.15);
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header-date {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ─── 按钮通用 ─── */
.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 18px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-icon:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 12px rgba(0,240,255,0.2);
}
.btn-sm {
  background: rgba(0,240,255,0.08);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--font-sans);
  transition: all 0.2s;
}
.btn-sm:hover {
  background: rgba(0,240,255,0.15);
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.15);
}
.btn-primary {
  background: var(--cyan);
  color: #000;
  font-weight: 600;
  border-color: var(--cyan);
}
.btn-primary:hover {
  box-shadow: 0 0 16px rgba(0,240,255,0.4);
}
.btn-danger {
  background: rgba(255,51,85,0.15);
  border-color: var(--red);
  color: var(--red);
}
.btn-danger:hover {
  background: rgba(255,51,85,0.25);
  box-shadow: 0 0 8px rgba(255,51,85,0.3);
}

/* ─── 导航标签 ─── */
#tabNav {
  display: flex;
  gap: 0;
  padding: 0 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}
.tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 14px;
  padding: 10px 20px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.2s;
}
.tab:hover {
  color: var(--text-secondary);
}
.tab.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  text-shadow: 0 0 8px rgba(0,240,255,0.3);
}

/* ─── 主内容区 ─── */
#mainContent {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}
.view { display: none; }
.view.active { display: block; }
.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.view-header h2 {
  font-size: 20px;
  font-weight: 600;
}
.subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ─── 进度条 ─── */
.progress-bar {
  position: relative;
  height: 28px;
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  margin-bottom: 16px;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 14px;
  transition: width 0.5s ease;
  box-shadow: 0 0 12px rgba(0,240,255,0.3);
}
.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}

/* ─── 科目筛选 ─── */
.subject-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.subject-filter .filter-tag {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: rgba(255,255,255,0.03);
  color: var(--text-secondary);
  transition: all 0.2s;
  font-family: var(--font-sans);
}
.subject-filter .filter-tag:hover {
  border-color: var(--cyan);
  color: var(--text-primary);
}
.subject-filter .filter-tag.active {
  background: rgba(0,240,255,0.12);
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ─── 任务列表 ─── */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.task-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: all 0.2s;
  cursor: default;
}
.task-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: 0 0 8px rgba(0,240,255,0.08);
}
.task-card.completed {
  opacity: 0.5;
  border-color: rgba(34,255,136,0.2);
}
.task-card.completed .task-title {
  text-decoration: line-through;
  color: var(--text-muted);
}
.task-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s;
  color: transparent;
}
.task-check:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 6px rgba(0,240,255,0.3);
}
.task-card.completed .task-check {
  border-color: var(--green);
  background: var(--green);
  color: #000;
}
.task-info {
  flex: 1;
  min-width: 0;
}
.task-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}
.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.task-tag {
  font-size: 11px;
  padding: 1px 8px;
  border-radius: 8px;
  font-family: var(--font-mono);
}
.task-tag-subject {
  border: 1px solid;
}
.task-tag-time {
  color: var(--text-muted);
}
.task-tag-priority {
  font-weight: 600;
}
.task-delete {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  opacity: 0;
  transition: all 0.2s;
}
.task-card:hover .task-delete {
  opacity: 1;
}
.task-delete:hover {
  color: var(--red);
}

/* ─── 添加按钮 ─── */
.btn-add {
  width: 100%;
  padding: 12px;
  background: rgba(0,240,255,0.05);
  border: 1px dashed var(--border-color);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.2s;
}
.btn-add:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,240,255,0.08);
}

/* ─── 周视图 ─── */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.week-day {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  min-height: 100px;
}
.week-day.today {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.15);
}
.week-day.other-month {
  opacity: 0.3;
}
.week-day-header {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-align: center;
  font-family: var(--font-mono);
}
.week-day-header .day-num {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}
.week-day-tasks {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  justify-content: center;
}
.week-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.week-dot.completed {
  opacity: 0.5;
}

/* ─── 统计 ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.stat-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0,240,255,0.3);
}
.section-title {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 12px;
  color: var(--text-secondary);
}
.subject-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.subject-stat-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.subject-stat-name {
  width: 50px;
  font-size: 13px;
  flex-shrink: 0;
}
.subject-stat-bar {
  flex: 1;
  height: 16px;
  background: rgba(255,255,255,0.05);
  border-radius: 8px;
  overflow: hidden;
}
.subject-stat-fill {
  height: 100%;
  border-radius: 8px;
  transition: width 0.5s ease;
}
.subject-stat-pct {
  width: 50px;
  text-align: right;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  flex-shrink: 0;
}

/* ─── 趋势图 ─── */
.trend-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 120px;
  padding: 8px 0;
}
.trend-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}
.trend-bar-fill {
  width: 100%;
  max-width: 40px;
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--cyan), var(--purple));
  transition: height 0.5s ease;
  min-height: 2px;
}
.trend-bar-label {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ─── 家长视图 ─── */
.parent-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.parent-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
}
.parent-section h3 {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--text-secondary);
}
.history-list {
  max-height: 200px;
  overflow-y: auto;
}
.history-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-size: 13px;
  color: var(--text-secondary);
}
.settings-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 300px;
}
.settings-form label {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ─── 表单控件 ─── */
.cyber-input {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  transition: all 0.2s;
}
.cyber-input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.15);
}
.cyber-select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 8px 12px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
  transition: all 0.2s;
}
.cyber-select:focus {
  border-color: var(--cyan);
}
.cyber-select option {
  background: #0f1525;
  color: var(--text-primary);
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--cyan);
}

/* ─── 模态框 ─── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal {
  background: #0f1525;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 90%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 0 30px rgba(0,240,255,0.1);
}
.modal-sm {
  max-width: 360px;
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}
.modal-header h3 {
  font-size: 16px;
}
.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}
.btn-close:hover {
  color: var(--text-primary);
}
.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal-body label {
  font-size: 13px;
  color: var(--text-secondary);
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border-color);
}
.form-row {
  display: flex;
  gap: 12px;
}
.form-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ─── 底部统计条 ─── */
#footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 8px 24px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
#footer span {
  display: flex;
  align-items: center;
  gap: 4px;
}


/* ─── 课表网格 ─── */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 8px;
}
.schedule-day {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.schedule-day.today {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,240,255,0.15);
}
.schedule-day-header {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  margin-bottom: 4px;
}
.schedule-empty {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  padding: 8px 0;
}
.schedule-task-item {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 4px;
  border-radius: 4px;
  font-size: 11px;
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: background 0.15s;
}
.schedule-task-item:hover {
  background: rgba(255,255,255,0.08);
}
.schedule-task-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.schedule-task-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}
.schedule-task-meta {
  font-size: 10px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.schedule-task-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 0 2px;
  opacity: 0;
  transition: opacity 0.15s;
}
.schedule-task-item:hover .schedule-task-del {
  opacity: 1;
}
.schedule-task-del:hover {
  color: var(--red);
}
.schedule-add-btn {
  background: transparent;
  border: 1px dashed var(--border-color);
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 14px;
  padding: 4px;
  cursor: pointer;
  margin-top: auto;
  transition: all 0.15s;
}
.schedule-add-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
@media (max-width: 768px) {
  .schedule-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (max-width: 480px) {
  .schedule-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ─── 番茄钟 ─── */
.btn-pomodoro {
  background: rgba(0,240,255,0.08);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-pomodoro:hover {
  background: rgba(0,240,255,0.15);
  box-shadow: 0 0 12px rgba(0,240,255,0.2);
}
.pomodoro-sessions {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* ─── 快速添加（收件箱） ─── */
.inbox-panel {
  position: fixed;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 500px;
  background: #0f1525;
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  box-shadow: 0 0 30px rgba(0,240,255,0.15);
  z-index: 900;
  display: none;
  flex-direction: column;
}
.inbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-secondary);
}
.inbox-body {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.inbox-input {
  font-size: 16px !important;
  padding: 10px 12px !important;
  width: 100%;
}
.inbox-options {
  display: flex;
  gap: 8px;
}
.inbox-select {
  flex: 1;
  font-size: 12px;
  padding: 6px 8px;
}
.inbox-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-top: 1px solid var(--border-color);
}
.inbox-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ─── 浮动按钮 ─── */
.fab {
  position: fixed;
  bottom: 70px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border: none;
  color: #000;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,240,255,0.3);
  transition: all 0.2s;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,240,255,0.4);
}
@media (max-width: 768px) {
  .fab { bottom: 60px; right: 16px; }
  .inbox-panel { width: 95%; bottom: 55px; }
}


/* ─── 任务分区 ─── */
.task-section {
  margin-bottom: 16px;
}
.task-section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.task-section-count {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ─── 每周回顾 ─── */
.review-daily-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  margin-bottom: 20px;
}
.review-day {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  text-align: center;
}
.review-day.today {
  border-color: var(--cyan);
}
.review-day-name {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
}
.review-day-date {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.review-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 16px 0 8px;
}
@media (max-width: 480px) {
  .review-daily-grid { grid-template-columns: repeat(7, 1fr); gap: 3px; }
  .review-day { padding: 4px; }
}


/* ─── 导入昨日任务 ─── */
.import-task-list {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.import-task-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: background 0.15s;
}
.import-task-item:hover {
  background: var(--bg-card-hover);
}
.import-check {
  width: 16px;
  height: 16px;
  accent-color: var(--cyan);
  cursor: pointer;
}
.import-task-title {
  flex: 1;
  font-size: 13px;
}

/* ─── 响应式 ─── */
@media (max-width: 768px) {
  #header { padding: 10px 16px; }
  #header h1 { font-size: 16px; }
  #tabNav { padding: 0 16px; }
  .tab { font-size: 13px; padding: 8px 14px; }
  #mainContent { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .week-grid { grid-template-columns: repeat(7, 1fr); gap: 3px; }
  .week-day { min-height: 70px; padding: 6px; }
  .header-date { display: none; }
  #footer { gap: 12px; font-size: 11px; flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .form-row { flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}