:root {
  --背景: #f4efe8;
  --卡片: rgba(255, 255, 255, 0.78);
  --主色: #1f3c5b;
  --強調: #d97757;
  --文字: #23303d;
  --次要: #637180;
  --邊框: rgba(35, 48, 61, 0.12);
  --陰影: 0 18px 50px rgba(31, 60, 91, 0.12);
  --紅點: #d64545;
  --分類字: #3e2523;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft JhengHei", sans-serif;
  color: var(--文字);
  background:
    radial-gradient(circle at top left, rgba(217, 119, 87, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(31, 60, 91, 0.14), transparent 22%),
    linear-gradient(180deg, #fffaf5, var(--背景));
  min-height: 100vh;
}

.app {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.banner-panel {
  margin-bottom: 20px;
}

.banner-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: var(--陰影);
}

.hero {
  display: grid;
  grid-template-columns: 1.7fr 0.8fr;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 20px;
}

.badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(217, 119, 87, 0.14);
  color: var(--強調);
  font-size: 14px;
  font-weight: 700;
}

h1, h2, p { margin-top: 0; }

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
}

.subtext {
  margin: 0;
  color: var(--次要);
  font-size: 1rem;
  line-height: 1.7;
}

.hero-card, .panel {
  background: var(--卡片);
  border: 1px solid var(--邊框);
  border-radius: 24px;
  box-shadow: var(--陰影);
  backdrop-filter: blur(12px);
}

.hero-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 24px;
}

.hero-label { color: var(--次要); margin-bottom: 10px; }
.hero-card strong { font-size: 3rem; color: var(--主色); }
.hero-card span { color: var(--次要); }

.panel {
  padding: 20px;
  margin-bottom: 18px;
}

.top-calendar-panel {
  margin-bottom: 20px;
}

.form {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label { font-size: 14px; color: var(--次要); }

input, select {
  width: 100%;
  border: 1px solid var(--邊框);
  border-radius: 14px;
  padding: 14px;
  font: inherit;
  background: rgba(255, 255, 255, 0.9);
  color: var(--文字);
}

#taskCategory {
  color: var(--分類字);
}

input:focus, select:focus {
  outline: 3px solid rgba(31, 60, 91, 0.16);
  border-color: rgba(31, 60, 91, 0.28);
}

.primary-btn, .ghost-btn {
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn { background: var(--主色); color: #fff; }
.ghost-btn { background: rgba(31, 60, 91, 0.08); color: var(--主色); }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.view-switch {
  display: inline-flex;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--邊框);
}

.view-btn {
  border: 0;
  background: rgba(255, 255, 255, 0.92);
  color: var(--文字);
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

.view-btn.active { background: var(--主色); color: #fff; }

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.period-title, .month-title {
  margin: 0;
  font-weight: 700;
  color: var(--次要);
  text-align: center;
}

.calendar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--次要);
  font-size: 14px;
}

.calendar-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.calendar-legend i {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
}

.red-dot {
  background: var(--紅點);
}

.top-month-calendar { display: grid; gap: 10px; }

.calendar-grid { display: grid; gap: 10px; }
.calendar-days, .calendar-cells, .top-month-days, .top-month-cells {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.calendar-day-name, .calendar-cell, .top-month-day-name, .top-month-cell {
  border: 1px solid var(--邊框);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
}
.calendar-day-name, .top-month-day-name {
  padding: 10px;
  text-align: center;
  color: var(--次要);
  font-weight: 700;
}
.calendar-cell, .top-month-cell {
  min-height: 110px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calendar-cell.outside, .top-month-cell.outside { opacity: 0.35; }
.calendar-cell.today, .top-month-cell.today { outline: 3px solid rgba(31, 60, 91, 0.16); }
.calendar-cell.selected, .top-month-cell.selected {
  border-color: rgba(217, 119, 87, 0.7);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.12) inset;
}
.calendar-date, .top-month-date {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-weight: 700;
}
.calendar-count {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(31, 60, 91, 0.08);
  color: var(--主色);
}
.top-month-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--紅點);
  flex: none;
}

.top-month-list {
  display: grid;
  gap: 6px;
}

.top-month-task {
  padding: 5px 7px;
  border-radius: 10px;
  background: rgba(31, 60, 91, 0.08);
  color: var(--文字);
  font-size: 12px;
  line-height: 1.3;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.calendar-task {
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(217, 119, 87, 0.12);
  color: var(--文字);
  font-size: 13px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.calendar-list { display: grid; gap: 10px; }
.calendar-day-panel {
  padding: 14px;
  border: 1px solid var(--邊框);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
}
.calendar-day-panel h3 { margin: 0 0 10px; }
.calendar-day-panel ul { margin: 0; padding-left: 18px; color: var(--文字); }

.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.task-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--邊框);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
}
.task-item.done { opacity: 0.72; }
.task-check { width: 20px; height: 20px; accent-color: var(--強調); }
.task-main h3 { margin: 0 0 6px; font-size: 1.05rem; }
.task-meta, .task-note { margin: 0; color: var(--次要); font-size: 0.95rem; }
.task-actions { display: flex; gap: 8px; }
.mini-btn {
  border: 1px solid var(--邊框);
  background: transparent;
  color: var(--文字);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
}
.mini-btn.danger { color: #a13b2a; background: rgba(217, 119, 87, 0.12); }
.empty-state { margin: 18px 0 0; color: var(--次要); }

.month-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.month-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.summary-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--邊框);
  background: rgba(255, 255, 255, 0.9);
}
.summary-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--次要);
}
.summary-card strong { font-size: 2rem; color: var(--主色); }
.month-chart { display: grid; gap: 10px; }
.month-bar {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  gap: 12px;
  align-items: center;
}
.month-bar-label { color: var(--次要); font-size: 14px; }
.month-bar-track {
  height: 14px;
  border-radius: 999px;
  background: rgba(31, 60, 91, 0.08);
  overflow: hidden;
}
.month-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--主色), var(--強調));
}
.month-bar-value { text-align: right; font-weight: 700; }

.report-box { display: grid; gap: 12px; }
.report-block {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--邊框);
  background: rgba(255, 255, 255, 0.9);
}
.report-block h3 { margin: 0 0 10px; }
.report-list { margin: 0; padding-left: 20px; color: var(--文字); }

@media (max-width: 920px) {
  .hero, .form, .month-summary { grid-template-columns: 1fr; }
  .task-item { grid-template-columns: auto 1fr; }
  .task-actions { grid-column: 1 / -1; justify-content: flex-end; }
  .calendar-days, .calendar-cells, .top-month-days, .top-month-cells { grid-template-columns: repeat(1, 1fr); }
  .month-bar { grid-template-columns: 1fr; }
  .month-bar-value { text-align: left; }
}