:root {
  --bg: #f5f1e8;
  --panel: rgba(255, 255, 255, 0.75);
  --panel-solid: #fffdf8;
  --line: rgba(46, 53, 48, 0.12);
  --text: #21312b;
  --muted: #5e6d65;
  --accent: #0d7a5f;
  --accent-soft: #dff5ec;
  --warn: #e08b27;
  --danger: #ce5b4d;
  --shadow: 0 18px 40px rgba(33, 49, 43, 0.08);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 214, 153, 0.5), transparent 28%),
    radial-gradient(circle at top right, rgba(116, 198, 157, 0.28), transparent 24%),
    linear-gradient(180deg, #fbf8f0 0%, #f4efe4 100%);
  min-height: 100vh;
}

html {
  scroll-behavior: smooth;
}

button,
select,
input {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.app-shell.with-nav {
  padding-top: 76px;
}

.top-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  background: rgba(251, 248, 240, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(46, 53, 48, 0.08);
}

.top-nav-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 12px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.nav-brand strong {
  display: block;
  font-size: 18px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-link {
  text-decoration: none;
}

.sidebar {
  padding: 32px 24px;
  background: rgba(33, 49, 43, 0.95);
  color: #f7f5ef;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar h1,
.topbar h2,
.panel h3 {
  margin: 0;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  font-weight: 800;
  opacity: 0.72;
}

.sidebar-copy,
.muted,
.sidebar-card p {
  color: var(--muted);
  line-height: 1.5;
}

.sidebar .sidebar-copy,
.sidebar .sidebar-card p {
  color: rgba(247, 245, 239, 0.78);
}

.sidebar-card,
.panel,
.kpi-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.sidebar-card {
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.view-switch,
.topbar-actions,
.test-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip,
.primary-button,
.secondary-button {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, color 140ms ease;
}

.chip {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.1);
  color: inherit;
}

.chip.active {
  background: #f7f5ef;
  color: var(--text);
}

.primary-button,
.secondary-button {
  padding: 12px 16px;
}

.primary-button {
  background: var(--accent);
  color: white;
}

.secondary-button {
  background: var(--accent-soft);
  color: var(--accent);
}

.main-content {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.topbar,
.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.hero-grid,
.two-column {
  display: grid;
  gap: 20px;
}

.hero-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.kpi-card,
.panel {
  background: var(--panel);
  backdrop-filter: blur(14px);
}

.kpi-card {
  padding: 20px;
}

.kpi-value {
  margin: 10px 0 6px;
  font-size: 34px;
  font-weight: 800;
}

.kpi-foot {
  color: var(--muted);
  font-size: 14px;
}

.panel {
  padding: 22px;
}

.calendar-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.calendar-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 8px;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

.calendar-grid.week {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  min-width: 1120px;
  width: max-content;
}

.calendar-grid.month {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  min-width: 1120px;
  width: max-content;
}

.calendar-grid.quarter {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  min-width: 960px;
  width: max-content;
}

.calendar-day {
  padding: 12px;
  border-radius: var(--radius-lg);
  background: var(--panel-solid);
  border: 1px solid rgba(46, 53, 48, 0.08);
  min-height: 158px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
  overflow: hidden;
}

.calendar-day:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 28px rgba(33, 49, 43, 0.08);
}

.calendar-day.active {
  border-color: rgba(13, 122, 95, 0.35);
  box-shadow: 0 0 0 2px rgba(13, 122, 95, 0.14);
}

.calendar-day.today {
  outline: 2px solid rgba(13, 122, 95, 0.24);
}

.calendar-day.outside-range {
  opacity: 0.45;
}

.day-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  gap: 8px;
}

.session-pill,
.status-pill,
.risk-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.session-pill {
  width: 100%;
  justify-content: space-between;
  background: #eff8f4;
  color: #175a49;
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
}

.session-pill.compact {
  padding: 5px 7px;
  font-size: 11px;
}

.session-pill span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.session-pill span:first-child {
  flex: 0 0 auto;
}

.session-pill span:nth-child(2),
.session-pill span:nth-child(3) {
  flex: 1 1 auto;
}

.calendar-day-summary {
  display: grid;
  gap: 6px;
}

.calendar-mini-note {
  display: block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
}

.month-count {
  display: inline-flex;
  margin-top: 6px;
  padding: 5px 8px;
  border-radius: 999px;
  background: #f3efe6;
  color: #7b6442;
  font-size: 11px;
  font-weight: 700;
}

.quarter-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--panel-solid);
  border: 1px solid rgba(46, 53, 48, 0.08);
}

.limited-scroll {
  max-height: 28rem;
  overflow-y: auto;
  padding-right: 4px;
}

.tall-scroll {
  max-height: 42rem;
  overflow-y: auto;
  padding-right: 4px;
}

.quarter-weeks {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.quarter-week {
  display: grid;
  gap: 8px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: #f8f4eb;
}

.plan-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.plan-summary-card {
  background: var(--panel-solid);
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.plan-summary-card strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.plan-timeline {
  display: grid;
  gap: 14px;
}

.plan-week {
  display: grid;
  gap: 12px;
  background: var(--panel-solid);
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.plan-week-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.plan-tags,
.plan-focus-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.plan-tag {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: #f3efe6;
  color: #7b6442;
  font-size: 12px;
  font-weight: 700;
}

.plan-focus-item {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: #eff8f4;
  color: #175a49;
  font-size: 13px;
  font-weight: 600;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(23, 33, 28, 0.38);
  backdrop-filter: blur(4px);
  z-index: 40;
}

.day-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(460px, 100%);
  height: 100vh;
  padding: 24px;
  background: #fffdf8;
  box-shadow: -24px 0 48px rgba(33, 49, 43, 0.18);
  z-index: 50;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 18px;
}

.hidden {
  display: none;
}

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

.drawer-content {
  overflow: auto;
  display: grid;
  gap: 16px;
  padding-right: 4px;
}

.drawer-section {
  background: #f8f4eb;
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.drawer-section h4 {
  margin: 0 0 10px;
}

.drawer-list {
  display: grid;
  gap: 10px;
}

.drawer-item {
  background: white;
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-md);
  padding: 12px;
}

.daily-plan-list {
  display: grid;
  gap: 10px;
}

.daily-plan-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  background: white;
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-md);
  padding: 12px;
}

.daily-check-button {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 999px;
  border: 2px solid rgba(13, 122, 95, 0.35);
  background: white;
  cursor: pointer;
}

.daily-check-button.done {
  background: var(--accent);
  box-shadow: inset 0 0 0 4px white;
}

.daily-question {
  margin-top: 8px;
}

.daily-question label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 6px;
}

.daily-question textarea {
  width: 100%;
  min-height: 72px;
  resize: vertical;
  background: white;
  border: 1px solid rgba(46, 53, 48, 0.15);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.daily-validation-meta {
  margin-top: 8px;
  display: grid;
  gap: 4px;
}

.validation-modal {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(760px, calc(100% - 24px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 24px;
  background: #fffdf8;
  box-shadow: 0 24px 60px rgba(33, 49, 43, 0.24);
  border-radius: 24px;
  z-index: 60;
}

.validation-form {
  display: grid;
  gap: 16px;
}

.validation-block {
  display: grid;
  gap: 8px;
  background: #f8f4eb;
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.validation-block label {
  font-size: 14px;
  font-weight: 700;
}

.validation-block textarea,
.validation-block select {
  width: 100%;
  background: white;
  border: 1px solid rgba(46, 53, 48, 0.15);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

.validation-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.stack-list,
.subject-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.task-row,
.review-row,
.risk-row,
.subject-card,
.result-row,
.test-question {
  background: var(--panel-solid);
  border: 1px solid rgba(46, 53, 48, 0.08);
  border-radius: var(--radius-lg);
  padding: 16px;
}

.task-row,
.review-row,
.risk-row,
.result-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.task-meta,
.review-meta,
.risk-meta {
  display: grid;
  gap: 6px;
}

.status-pill.todo {
  background: #f3efe6;
  color: #7b6442;
}

.status-pill.doing {
  background: #e4f0ff;
  color: #265ea8;
}

.status-pill.done {
  background: #dff5ec;
  color: #16624d;
}

.risk-pill.low {
  background: #dff5ec;
  color: #16624d;
}

.risk-pill.medium {
  background: #fff0d7;
  color: #946122;
}

.risk-pill.high {
  background: #fde4df;
  color: #9f4338;
}

.subject-topics {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.topic-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: var(--radius-md);
  background: #f8f4eb;
}

.topic-row select,
.panel select,
.test-card input {
  background: white;
  border: 1px solid rgba(46, 53, 48, 0.15);
  border-radius: 10px;
  padding: 10px 12px;
}

.subject-progress {
  height: 10px;
  border-radius: 999px;
  background: #eee8dc;
  overflow: hidden;
  margin-top: 10px;
}

.subject-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #e0a84b 0%, #0d7a5f 100%);
}

.test-card {
  margin-top: 18px;
}

.test-card.empty-state {
  display: grid;
  place-items: center;
  min-height: 220px;
  color: var(--muted);
}

.test-header,
.result-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.test-questions {
  display: grid;
  gap: 12px;
  margin: 18px 0;
}

.test-question label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.test-submit {
  display: flex;
  justify-content: flex-end;
}

.result-table {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.result-row strong {
  display: block;
  margin-bottom: 4px;
}

.small-copy {
  font-size: 13px;
  color: var(--muted);
}

code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

@media (max-width: 1100px) {
  .app-shell,
  .two-column,
  .hero-grid,
  .plan-summary-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    padding-bottom: 0;
  }

  .top-nav-inner {
    padding: 12px 16px;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .main-content {
    padding: 16px;
  }

  .panel,
  .kpi-card,
  .sidebar-card {
    border-radius: 18px;
  }

  .topbar,
  .panel-header,
  .task-row,
  .review-row,
  .risk-row,
  .result-row,
  .test-header,
  .result-header,
  .day-label,
  .topic-row {
    grid-template-columns: 1fr;
    display: grid;
  }

  .calendar-grid.week,
  .calendar-grid.month,
  .calendar-grid.quarter {
    grid-template-columns: 1fr;
  }

  .day-drawer {
    width: 100%;
  }

  .app-shell.with-nav {
    padding-top: 96px;
  }
}