:root {
  --bg: #f7f9fb;
  --surface: #ffffff;
  --surface-low: #f1f4f6;
  --surface-high: #e3e9ec;
  --surface-deep: #dde3e7;
  --ink: #2d3337;
  --muted: #596063;
  --muted-soft: #6f787b;
  --primary: #0060ad;
  --primary-soft: #9ac3ff;
  --primary-ghost: rgba(0, 96, 173, 0.08);
  --secondary: #006d48;
  --secondary-soft: #94fac6;
  --tertiary: #8f4f14;
  --outline: rgba(117, 124, 127, 0.16);
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-2xl: 40px;
  --shadow-soft: 0 18px 42px rgba(15, 23, 42, 0.05);
  --shadow-accent: 0 22px 54px rgba(0, 96, 173, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(154, 195, 255, 0.32), transparent 28%),
    radial-gradient(circle at right 15%, rgba(148, 250, 198, 0.18), transparent 22%),
    linear-gradient(180deg, #fbfdff 0%, #f7f9fb 44%, #eef3f6 100%);
}
button { font: inherit; }
h1, h2, h3, h4 {
  font-family: "Plus Jakarta Sans", "Segoe UI", Arial, sans-serif;
  margin: 0;
  letter-spacing: -0.03em;
}
p { margin: 0; }
ul { margin: 0; padding-left: 1.1rem; }

.app-shell {
  max-width: 1560px;
  margin: 0 auto;
  padding: 30px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(340px, 0.9fr);
  gap: 26px;
  align-items: stretch;
  padding: 34px;
  border-radius: var(--radius-2xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(241,244,246,0.9));
  box-shadow: var(--shadow-soft);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 800;
  color: var(--primary);
}

.eyebrow--muted {
  color: var(--muted);
}

.hero h1 {
  margin-top: 12px;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 0.94;
  max-width: 10ch;
}

.hero-text {
  max-width: 70ch;
  margin-top: 18px;
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--muted);
}

.hero-goal-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 24px;
}

.quote-card,
.exam-chip {
  border-radius: 999px;
  padding: 14px 18px;
}

.quote-card {
  background: linear-gradient(135deg, rgba(0, 96, 173, 0.97), rgba(154, 195, 255, 0.96));
  color: #fff;
  box-shadow: var(--shadow-accent);
  font-weight: 600;
}

.exam-chip {
  background: rgba(255,255,255,0.9);
  color: var(--muted);
  border: 1px solid var(--outline);
  font-weight: 600;
}

.hero-metrics {
  display: grid;
  gap: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  background: var(--surface);
  border-radius: 28px;
  padding: 22px;
  box-shadow: 0 8px 22px rgba(15, 23, 42, 0.04);
}

.metric-card--primary {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(227,233,236,0.76));
}

.metric-label,
.metric-caption,
.info-label,
.section-kicker,
.day-meta,
.task-sub {
  color: var(--muted);
}

.metric-label,
.info-label,
.section-kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.metric-value {
  margin-top: 8px;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
}

.metric-value--small {
  font-size: 1.4rem;
}

.metric-caption {
  margin-top: 6px;
  font-size: 0.95rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr) 310px;
  gap: 22px;
  margin-top: 24px;
  align-items: start;
}

.panel {
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow-soft);
}

.day-rail,
.insight-rail {
  padding: 22px;
  position: sticky;
  top: 18px;
}

.day-view {
  padding: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(241,244,246,0.78));
}

.rail-head,
.day-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.day-stack,
.section-list,
.insight-rail {
  display: grid;
  gap: 16px;
}

.section-list {
  gap: 22px;
  margin-top: 12px;
}

.section-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 12px 0 4px;
}

.timer-inline-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 16px;
  background: rgba(0, 96, 173, 0.10);
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
}

.timer-inline-button--running {
  background: rgba(0, 96, 173, 0.94);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.day-card {
  width: 100%;
  padding: 18px;
  border: 0;
  background: var(--surface-low);
  border-radius: 24px;
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.day-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
}

.day-card--active {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(154,195,255,0.18));
  box-shadow: inset 0 0 0 1px rgba(0, 96, 173, 0.08), var(--shadow-accent);
}

.day-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.day-label {
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.day-card h3 {
  margin-top: 6px;
  font-size: 1.14rem;
}

.day-card p,
.insight-block p,
.goal-copy,
.focus-header p,
.focus-panel p,
.info-card p,
.reminder-list li,
.how-list li {
  margin-top: 10px;
  line-height: 1.7;
  color: var(--muted-soft);
}

.day-percent {
  font-weight: 800;
  color: var(--primary);
  font-size: 0.95rem;
}

.progress-track {
  height: 12px;
  background: rgba(148, 250, 198, 0.34);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 12px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--secondary), #1fa46f);
  border-radius: inherit;
}

.day-meta {
  margin-top: 10px;
  font-size: 0.9rem;
}

.day-header h2 {
  margin-top: 8px;
  font-size: clamp(2.2rem, 4.8vw, 4rem);
}

.day-header-side {
  width: min(340px, 36%);
  min-width: 250px;
  background: var(--surface-low);
  border-radius: 26px;
  padding: 18px;
}

.metric-inline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--muted);
}

.metric-inline strong {
  color: var(--ink);
}

.study-section {
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(243,246,248,0.94));
  border: 1px solid rgba(117, 124, 127, 0.08);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.04);
  overflow: hidden;
}

.section-shell {
  padding: 22px 22px 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(246,248,250,0.92));
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
}

.section-head h3 {
  margin-top: 6px;
  font-size: 1.55rem;
}

.section-progress-wrap {
  min-width: 116px;
  display: grid;
  gap: 6px;
  justify-items: end;
}

.section-progress-label,
.task-list-meta {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.section-progress {
  background: var(--primary-ghost);
  color: var(--primary);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
}

.section-meta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.mini-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(0, 96, 173, 0.08);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.mini-chip--soft {
  background: rgba(117, 124, 127, 0.08);
  color: var(--muted);
}

.section-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.info-card {
  background: rgba(255,255,255,0.92);
  border-radius: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(117, 124, 127, 0.08);
}

.section-progress-bar {
  margin-top: 16px;
}

.task-list-wrap {
  padding: 18px 22px 22px;
  background: linear-gradient(180deg, rgba(236,241,244,0.52), rgba(255,255,255,0.88));
  border-top: 1px solid rgba(117, 124, 127, 0.08);
}

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

.task-list {
  display: grid;
  gap: 12px;
}

.task-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  background: rgba(255,255,255,0.96);
  border-radius: 22px;
  padding: 14px;
  border: 1px solid rgba(117, 124, 127, 0.08);
}

.task-row--done {
  background: linear-gradient(180deg, rgba(148,250,198,0.24), rgba(255,255,255,0.94));
}

.task-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.redo-button {
  border: 0;
  border-radius: 999px;
  padding: 11px 16px;
  background: rgba(0, 109, 72, 0.12);
  color: var(--secondary);
  font-weight: 700;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.redo-button:hover {
  transform: translateY(-1px);
}

.check-button,
.focus-button,
.primary-button,
.ghost-button {
  border: 0;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, opacity 150ms ease;
}

.check-button:hover,
.focus-button:hover,
.primary-button:hover,
.ghost-button:hover {
  transform: translateY(-1px);
}

.check-button {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: transparent;
  border: 2px solid rgba(117,124,127,0.45);
  color: white;
  font-size: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.check-button--done {
  background: var(--secondary);
  border-color: var(--secondary);
  box-shadow: 0 0 0 8px rgba(148,250,198,0.18);
}

.task-title {
  font-weight: 700;
  font-size: 1.03rem;
}

.task-row--done .task-title {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: rgba(0,109,72,0.35);
}

.task-sub {
  margin-top: 4px;
  font-size: 0.92rem;
}

.focus-button,
.ghost-button,
.primary-button {
  border-radius: 999px;
  padding: 11px 16px;
  font-weight: 700;
}

.focus-button {
  background: var(--primary-ghost);
  color: var(--primary);
}

.primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.primary-button--large {
  width: 100%;
  padding: 15px 18px;
  margin-top: 18px;
}

.ghost-button {
  background: var(--surface-high);
  color: var(--primary);
}

.insight-block {
  background: rgba(255,255,255,0.82);
  border-radius: 24px;
  padding: 18px;
}

.insight-block--accent {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(154,195,255,0.18));
}

.insight-block h3 {
  margin-top: 8px;
  font-size: 1.35rem;
}

.reminder-list,
.how-list {
  display: grid;
  gap: 8px;
}

.focus-shroud {
  position: fixed;
  inset: 0;
  background: rgba(211, 219, 223, 0.88);
  display: grid;
  place-items: center;
  padding: 24px;
}

.focus-card {
  width: min(1020px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(241,244,246,0.94));
  border-radius: 36px;
  box-shadow: 0 32px 80px rgba(0, 84, 152, 0.14);
  padding: 28px;
}

.focus-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}


.focus-header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
}

.focus-header h2 {
  margin-top: 10px;
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.focus-panels {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  margin-top: 22px;
}

.focus-panel {
  background: rgba(255,255,255,0.82);
  border-radius: 28px;
  padding: 20px;
}

.focus-panel--task {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(148,250,198,0.12));
}

.focus-panel--note {
  background: linear-gradient(180deg, rgba(255,255,255,1), rgba(154,195,255,0.12));
}

.focus-where {
  font-size: 1.03rem;
}

@media (max-width: 1280px) {
  .content-grid {
    grid-template-columns: 280px minmax(0, 1fr);
  }

  .insight-rail {
    grid-column: 1 / -1;
    position: static;
  }
}

@media (max-width: 980px) {
  .app-shell {
    padding: 18px;
  }

  .hero,
  .content-grid,
  .section-info-grid,
  .focus-panels {
    grid-template-columns: 1fr;
  }

  .day-rail,
  .insight-rail {
    position: static;
  }

  .day-header {
    flex-direction: column;
  }

  .day-header-side {
    width: 100%;
  }

  .task-row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .task-actions {
    grid-column: 2;
    justify-content: flex-start;
  }

  .focus-header {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 22px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .day-view,
  .day-rail,
  .insight-rail,
  .focus-card {
    padding: 18px;
  }

  .study-section {
    padding: 16px;
  }

  .section-head {
    flex-direction: column;
  }

  .task-list-head {
    flex-direction: column;
    align-items: flex-start;
  }
}


/* phase 1.1 compact section cards */
.section-shell {
  padding: 18px 20px 14px;
}

.section-head h3 {
  margin-top: 4px;
  font-size: 1.35rem;
  line-height: 1.15;
}

.section-progress {
  padding: 8px 12px;
}

.section-meta-row {
  margin-top: 12px;
}

.mini-chip {
  padding: 6px 10px;
  font-size: 0.84rem;
}

.section-info-grid {
  gap: 10px;
  margin-top: 14px;
}

.info-card {
  border-radius: 18px;
  padding: 12px 14px;
}

.info-card p,
.how-list li {
  margin-top: 6px;
  line-height: 1.45;
  font-size: 0.95rem;
}

.how-list {
  padding-left: 1rem;
}

.section-progress-bar {
  margin-top: 12px;
}

.task-list-wrap {
  padding: 14px 20px 18px;
}

.task-list-head {
  margin-bottom: 10px;
}

.task-list {
  gap: 10px;
}

.task-row {
  padding: 12px 14px;
  min-height: 64px;
}

.task-title {
  font-size: 0.98rem;
}

.task-sub {
  font-size: 0.86rem;
}

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


.section-topline {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.section-kicker {
  font-size: 0.76rem;
}

.section-shell {
  padding: 18px 20px 14px;
}

.section-head h3 {
  margin-top: 4px;
  font-size: 1.38rem;
  line-height: 1.15;
}

.section-meta-row {
  margin-top: 12px;
}

.mini-chip {
  padding: 7px 11px;
  font-size: 0.85rem;
}

.section-info-grid {
  margin-top: 14px;
  gap: 12px;
}

.info-card--compact {
  padding: 12px 14px;
  border-radius: 18px;
}

.info-card--compact p,
.info-card--compact .how-list li {
  margin-top: 8px;
  line-height: 1.55;
  font-size: 0.96rem;
}

.section-progress-bar {
  margin-top: 12px;
}

.task-list-wrap {
  padding: 14px 20px 18px;
}

.task-list-head {
  margin-bottom: 10px;
}

.task-list {
  gap: 10px;
}

.task-row {
  padding: 11px 12px;
  gap: 12px;
  border-radius: 18px;
}

.check-button {
  width: 40px;
  height: 40px;
  border-radius: 13px;
}

.task-title {
  font-size: 0.98rem;
  line-height: 1.35;
}

.focus-button,
.ghost-button,
.primary-button {
  padding: 10px 15px;
}

.focus-shroud {
  background: rgba(217, 224, 228, 0.82);
}

.focus-card {
  width: min(980px, 100%);
  padding: 24px;
}

.focus-header h2 {
  font-size: clamp(1.85rem, 4.4vw, 3rem);
  line-height: 1.02;
}

.focus-panels {
  gap: 16px;
  margin-top: 18px;
}

.focus-panel {
  padding: 18px;
}

.timer-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  background: rgba(255,255,255,0.84);
  border-radius: 22px;
  padding: 16px;
  border: 1px solid rgba(117, 124, 127, 0.08);
  margin-bottom: 16px;
}

.timer-value {
  margin-top: 8px;
  font-family: "Plus Jakarta Sans", "Segoe UI", Arial, sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.timer-caption {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.timer-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.timer-button {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-soft));
  color: #fff;
}

.timer-button--soft {
  background: rgba(0, 96, 173, 0.08);
  color: var(--primary);
}

.focus-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.focus-note-block {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(117, 124, 127, 0.1);
}

@media (max-width: 980px) {
  .focus-info-grid,
  .timer-card {
    grid-template-columns: 1fr;
    display: grid;
  }

  .timer-actions {
    justify-content: start;
  }
}

.timer-status-chip {
  align-self: flex-start;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(0, 96, 173, 0.08);
  color: var(--primary);
  font-weight: 700;
}