:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-soft: #eef3ff;
  --text: #172033;
  --muted: #727c91;
  --border: #dde3ef;
  --accent: #5379f6;
  --accent-strong: #365ddd;
  --success: #28a67a;
  --warning: #d58a16;
  --danger: #d94b5c;
  --gold: #d7a51f;
  --shadow: 0 20px 60px rgba(34, 47, 84, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent), transparent 84%), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, sans-serif;
}

body.dark {
  --bg: #111623;
  --surface: #1a2131;
  --surface-soft: #242d40;
  --text: #f3f6ff;
  --muted: #a8b0c2;
  --border: #30394d;
  --accent: #8fa8ff;
  --accent-strong: #6f8cff;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  min-height: 100vh;
  padding: 24px;
}

.sidebar,
.main-content,
.stat-card,
.toolbar,
.task-card,
.task-form,
.rpg-hero > *,
.mini-panel,
.statistics-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.sidebar {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 48px);
  padding: 22px;
  border-radius: var(--radius);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--success));
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
}

.brand h1,
.topbar h2,
.form-header h3,
.panel-header h3,
.section-heading h3 {
  margin: 0;
}

.brand h1 {
  font-size: 1.35rem;
}

.brand p,
.date-label,
.eyebrow {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
}

.eyebrow {
  display: block;
  margin: 0 0 6px;
  text-transform: uppercase;
}

.category-nav {
  display: grid;
  gap: 10px;
}

.category-button,
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 13px 14px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.category-button span,
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.color-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor, transparent 92%);
}

.category-button.active,
.category-button:hover,
.theme-toggle:hover {
  background: var(--surface-soft);
  color: var(--text);
}

.category-button strong {
  color: var(--accent);
}

.sidebar-footer {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.theme-toggle {
  gap: 10px;
  justify-content: flex-start;
}

.main-content {
  min-width: 0;
  padding: 28px;
  border-radius: var(--radius);
}

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

.topbar {
  margin-bottom: 22px;
}

.topbar h2 {
  margin-top: 3px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0;
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button {
  border: 0;
  border-radius: 14px;
  font-weight: 800;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  background: var(--accent);
  color: #fff;
}

.primary-button:hover {
  background: var(--accent-strong);
}

.secondary-button {
  min-height: 46px;
  padding: 0 18px;
  background: var(--surface-soft);
  color: var(--text);
}

.danger-button {
  min-height: 46px;
  padding: 0 18px;
  background: color-mix(in srgb, var(--danger), transparent 86%);
  color: var(--danger);
}

.icon-button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 1.4rem;
}

.rpg-hero {
  display: grid;
  grid-template-columns: 180px 1fr 320px;
  gap: 14px;
  margin-bottom: 18px;
}

.rpg-hero > * {
  border-radius: 18px;
  padding: 18px;
  box-shadow: none;
}

.level-card {
  display: grid;
  gap: 12px;
  align-content: space-between;
  background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--accent), transparent 86%));
}

.level-card strong {
  display: block;
  font-size: 3rem;
}

.level-ring {
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 900;
}

.xp-panel,
.daily-goal-card {
  display: grid;
  gap: 16px;
}

.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-metrics span {
  border-radius: 999px;
  padding: 8px 11px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.hero-metrics strong {
  color: var(--text);
}

.goal-control {
  display: grid;
  gap: 6px;
  width: 92px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

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

.stat-card {
  min-height: 112px;
  padding: 18px;
  border-radius: 16px;
  box-shadow: none;
}

.stat-card span,
.stat-tile span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 800;
}

.stat-card strong,
.stat-tile strong {
  display: block;
  margin-top: 10px;
  font-size: 2rem;
}

.progress-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-soft);
}

.progress-track.tall {
  height: 13px;
}

.progress-track.mini {
  height: 7px;
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--success);
  transition: width 0.25s ease;
}

.xp-fill {
  background: linear-gradient(90deg, var(--accent), var(--success));
}

.goal-fill,
.achievement-fill {
  background: var(--gold);
}

.toolbar {
  display: grid;
  grid-template-columns: 1fr 180px 180px;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
  padding: 14px;
  border-radius: 16px;
  box-shadow: none;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group,
.task-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 13px;
  background: var(--bg);
  color: var(--text);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent), transparent 82%);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  align-items: start;
}

.task-list-panel,
.rpg-side-panel {
  display: grid;
  gap: 14px;
}

.task-list {
  display: grid;
  gap: 14px;
}

.task-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 18px;
  border-radius: 16px;
  border-left: 5px solid var(--category-color, var(--accent));
  box-shadow: none;
}

.task-card.completed {
  opacity: 0.68;
}

.task-card.completed .task-title {
  text-decoration: line-through;
}

.complete-checkbox {
  width: 24px;
  height: 24px;
  accent-color: var(--success);
  margin-top: 3px;
}

.task-title {
  margin: 0 0 7px;
  font-size: 1.04rem;
}

.task-description {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.5;
}

.task-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.priority-number {
  color: var(--warning);
}

.xp-chip {
  color: var(--success);
}

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

.task-actions button {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
}

.mini-panel,
.statistics-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 18px;
  box-shadow: none;
}

.achievement-list,
.shop-list,
.statistics-grid {
  display: grid;
  gap: 10px;
}

.achievement-card,
.shop-card,
.stat-tile {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 13px;
  background: var(--surface);
}

.achievement-card {
  display: grid;
  gap: 10px;
}

.achievement-card > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.achievement-card span,
.achievement-card small,
.shop-card p,
.shop-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.achievement-card.unlocked {
  border-color: color-mix(in srgb, var(--gold), transparent 30%);
  background: color-mix(in srgb, var(--gold), transparent 90%);
}

.shop-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.shop-card p {
  margin: 5px 0;
  line-height: 1.4;
}

.shop-card button {
  min-height: 38px;
  border: 0;
  border-radius: 12px;
  padding: 0 13px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.shop-card.purchased {
  border-color: color-mix(in srgb, var(--success), transparent 40%);
}

.statistics-panel {
  margin-top: 18px;
}

.statistics-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.empty-state {
  padding: 42px 20px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  text-align: center;
  color: var(--muted);
}

.empty-state strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 1.1rem;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(12, 17, 29, 0.46);
  z-index: 20;
}

.modal-backdrop.hidden {
  display: none;
}

.task-form {
  display: grid;
  gap: 16px;
  width: min(560px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: 22px;
  border-radius: var(--radius);
}

.xp-preview {
  margin: 0;
  border-radius: 14px;
  padding: 12px 14px;
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 800;
}

.category-settings {
  width: min(720px, 100%);
}

.category-add-form {
  display: grid;
  grid-template-columns: 1fr 110px auto;
  gap: 14px;
  align-items: end;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
}

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

.category-setting-row {
  display: grid;
  grid-template-columns: 1fr 88px auto auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}

input[type="color"] {
  min-height: 46px;
  padding: 5px;
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 1120px) {
  .rpg-hero,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .rpg-side-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

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

  .stats-grid,
  .toolbar,
  .statistics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-add-form,
  .category-setting-row {
    grid-template-columns: 1fr 88px;
  }

  .search-box {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 12px;
  }

  .main-content,
  .sidebar {
    padding: 18px;
  }

  .topbar,
  .form-actions,
  .panel-header {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .stats-grid,
  .toolbar,
  .form-row,
  .category-nav,
  .category-add-form,
  .category-setting-row,
  .rpg-side-panel,
  .statistics-grid,
  .shop-card {
    grid-template-columns: 1fr;
  }

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

  .task-actions {
    grid-column: 2;
  }
}