:root {
  color-scheme: light;
  --bg: #eef4fb;
  --panel: #ffffff;
  --ink: #172033;
  --muted: #667085;
  --line: #d5dfeb;
  --blue: #27588f;
  --blue-soft: #e7f0fb;
  --gold: #d89435;
  --green: #0b7f79;
  --danger: #b42318;
  --shadow: 0 16px 40px rgba(39, 88, 143, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(39, 88, 143, 0.16), transparent 34%),
    linear-gradient(315deg, rgba(216, 148, 53, 0.16), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 24px 0;
}

.topbar,
.summary-grid article,
.panel {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(213, 223, 235, 0.95);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  line-height: 1.08;
}

h2 {
  font-size: 1.15rem;
}

.sound-button,
.ghost-button {
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 0 14px;
  font-weight: 800;
}

.sound-button {
  background: var(--blue);
  color: #fff;
}

.sound-button.ready {
  background: var(--green);
}

.ghost-button {
  background: #fff;
  color: var(--ink);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
}

.summary-grid article {
  display: grid;
  gap: 7px;
  min-height: 122px;
  padding: 18px;
}

.summary-grid span,
.summary-grid small,
.activity-schedule,
.upcoming-day,
.upcoming-time small,
.clock,
.duration-control {
  color: var(--muted);
}

.summary-grid strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 1.45rem;
}

.duration-control {
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
  font-weight: 800;
}

.duration-control select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(320px, 0.9fr);
  gap: 16px;
  align-items: start;
}

.panel {
  padding: 18px;
}

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

.bulk-actions {
  display: flex;
  gap: 8px;
}

.activity-list,
.upcoming-list {
  display: grid;
  gap: 10px;
}

.custom-panel {
  display: grid;
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.custom-panel p {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.5;
}

.custom-form {
  display: grid;
  grid-template-columns: minmax(96px, 0.8fr) minmax(120px, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.custom-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.custom-form input,
.custom-form select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
}

.custom-times {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.custom-time-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 8px 0 10px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

.custom-time-row button {
  border: 0;
  background: transparent;
  color: var(--danger);
  font-weight: 800;
}

.custom-empty {
  color: var(--muted);
}

.activity-card {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  min-height: 76px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.activity-card:has(input:checked) {
  border-color: rgba(39, 88, 143, 0.55);
  background: var(--blue-soft);
}

.activity-check {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--blue);
}

.activity-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.activity-name {
  overflow-wrap: anywhere;
  font-size: 1.05rem;
}

.activity-schedule {
  line-height: 1.55;
}

.upcoming-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.upcoming-card.next {
  border-color: rgba(216, 148, 53, 0.7);
  background: #fff8ed;
}

.upcoming-name {
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-size: 1.04rem;
}

.upcoming-time {
  display: grid;
  gap: 5px;
  min-width: 96px;
  text-align: right;
}

.upcoming-time strong {
  color: var(--blue);
  font-size: 1.08rem;
}

.empty {
  padding: 28px 14px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 880px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .summary-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .sound-button {
    width: 100%;
  }
}

@media (max-width: 540px) {
  .shell {
    width: min(100vw - 20px, 1180px);
    padding: 10px 0;
  }

  .section-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .bulk-actions,
  .ghost-button,
  .custom-form {
    width: 100%;
  }

  .custom-form {
    grid-template-columns: 1fr;
  }

  .upcoming-card {
    grid-template-columns: 1fr;
  }

  .upcoming-time {
    text-align: left;
  }
}