:root {
  --bg: #f6f1f1;
  --panel: #efe7e7;
  --card: #f9f4f4;
  --text: #4a3a3a;
  --muted: #8a6e6e;
  --accent: #9a5858;
  --accent-dark: #824747;
  --border: #dccccc;
  --shadow: rgba(70, 40, 40, 0.08);
}

body.dark-mode {
  --bg: #1e1919;
  --panel: #2a2323;
  --card: #342b2b;
  --text: #f2e9e9;
  --muted: #cdb6b6;
  --accent: #d08d8d;
  --accent-dark: #b57575;
  --border: #4d3d3d;
  --shadow: rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", sans-serif;
}

h1,
h2,
h3,
.brand {
  font-family: "Cormorant Garamond", serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 30px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 2rem;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a.active,
.nav a:hover {
  color: var(--accent);
}

.theme-btn,
.primary-btn,
.secondary-btn {
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  transition: 0.2s ease;
}

.theme-btn {
  padding: 10px 16px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.primary-btn {
  padding: 13px 22px;
  background: var(--accent);
  color: white;
}

.primary-btn:hover {
  background: var(--accent-dark);
}

.secondary-btn {
  padding: 13px 22px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.secondary-btn:hover,
.theme-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.page-shell {
  display: flex;
  justify-content: center;
  padding: 38px 20px 60px;
}

.panel {
  width: 100%;
  max-width: 1100px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 34px;
  box-shadow: 0 14px 32px var(--shadow);
}

.panel-checkin {
  max-width: 760px;
}

h1 {
  margin: 0;
  font-size: 4.5rem;
  text-align: center;
  line-height: 1;
}

.eyebrow {
  text-align: center;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-size: 0.9rem;
  margin: 6px 0 28px;
}

.content-block,
.card,
.wide-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: 0 10px 24px var(--shadow);
}

.content-block + .content-block {
  margin-top: 20px;
}

.content-block h2,
.card h2,
.wide-card h2 {
  margin: 0 0 14px;
  font-size: 2rem;
}

.slider-group {
  margin-bottom: 22px;
}

.slider-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.slider-head label {
  font-weight: 600;
}

.slider-head span {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.05rem;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.slider-note,
.small-text,
.support-text {
  color: var(--muted);
  line-height: 1.6;
  margin-top: 8px;
}

.recommendation-time {
  margin: 0 0 8px;
  font-size: 2rem;
  color: var(--accent);
  font-weight: 700;
}

.focus-state {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 600;
}

.emphasis-text {
  font-weight: 600;
}

.quote-box {
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.quote-box h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.quote-box p {
  margin: 0;
  line-height: 1.7;
  color: var(--text);
}

.suggestion-box {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.suggestion-box h3 {
  margin: 0 0 10px;
  font-size: 1.4rem;
}

.suggestion-box ul,
.simple-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.8;
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.small-gap {
  justify-content: center;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.center-card {
  text-align: center;
}

.large-stat {
  font-size: 2.8rem;
  color: var(--accent);
  margin: 12px 0;
}

.timer-display {
  font-size: 3.6rem;
  font-weight: 700;
  color: var(--accent);
  margin: 10px 0 8px;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 14px 0 10px;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.8s linear;
}

.state-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.state-tag {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 600;
}

.break-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  margin-top: 18px;
}

.large-break-text {
  font-size: 1.2rem;
  margin: 0 0 8px;
  color: var(--text);
}

.smart-break-details {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.break-pill {
  display: inline-block;
  margin: 0 0 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--accent);
  font-weight: 600;
}

.break-steps {
  margin-top: 10px;
}

.fake-chart {
  position: relative;
  height: 220px;
  margin: 16px 0 6px;
}

.axis-y,
.axis-x {
  position: absolute;
  background: var(--accent);
}

.axis-y {
  left: 22px;
  bottom: 22px;
  width: 6px;
  height: 150px;
}

.axis-x {
  left: 22px;
  bottom: 22px;
  width: 180px;
  height: 6px;
}

.chart-line {
  position: absolute;
  left: 52px;
  bottom: 52px;
  width: 150px;
  height: 70px;
  border-bottom: 8px solid var(--muted);
  border-left: 8px solid transparent;
  border-radius: 40px;
  transform: skewX(-25deg);
}

.stats-list p {
  margin: 10px 0;
}

.wide-card {
  margin-top: 22px;
}

.wide-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.history-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.history-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
}

.history-item p {
  margin: 6px 0;
}

.about-layout {
  display: grid;
  gap: 20px;
}

@media (max-width: 900px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 12px;
  }

  .panel {
    padding: 24px;
  }

  h1 {
    font-size: 3.2rem;
  }

  .timer-display {
    font-size: 2.8rem;
  }
}