:root {
  --accent-color: #6366f1;
  --accent-hover: #4f46e5;
  --page-bg: linear-gradient(135deg, #eef2ff, #f8fafc);
  --card-bg: rgba(255, 255, 255, 0.92);
  --card-solid: #ffffff;
  --text-main: #111827;
  --text-soft: #6b7280;
  --border-color: #d1d5db;
  --input-bg: #f9fafb;
  --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  --btn-neutral-bg: #e5e7eb;
  --btn-neutral-fg: #111827;
  --app-font: "DM Sans", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--app-font);
  background: var(--page-bg);
  background-attachment: fixed;
  color: var(--text-main);
  transition: background 0.3s ease, color 0.3s ease;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
  padding: 40px 16px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.container {
  width: 100%;
  max-width: 980px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.logo-text {
  margin: 0;
  font-size: 42px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-color);
  letter-spacing: 0.1em;
}

.date-box {
  background: var(--text-main);
  color: var(--card-solid);
  padding: 12px 18px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 16px;
  margin-bottom: 16px;
}

.gamify-grid {
  display: grid;
  grid-template-columns: 7fr 3fr;
  gap: 16px;
  margin-bottom: 18px;
  align-items: start;
}

.stats-card,
.level-card,
.challenge-card {
  background: var(--card-solid);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 18px;
}

.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.stat {
  padding: 16px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--accent-color) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 15%, transparent);
  min-width: 0;
}

.stat-label,
.mini-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  display: block;
  margin-top: 4px;
}

.progress-section,
.xp-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 700;
  flex-wrap: wrap;
}

.progress-bar {
  width: 100%;
  height: 10px;
  background: var(--btn-neutral-bg);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--accent-color);
  transition: width 0.35s ease;
}

.xp-bar {
  height: 12px;
}

.xp-fill {
  background: linear-gradient(90deg, var(--accent-color), color-mix(in srgb, white 20%, var(--accent-color)));
}

.quote-card {
  background: var(--accent-color);
  color: white;
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.quote-icon {
  width: 84px;
  height: 84px;
  margin-bottom: 12px;
  opacity: 0.9;
  flex-shrink: 0;
}

.quote-text {
  font-style: italic;
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 8px;
}

.quote-author {
  font-size: 12px;
  font-weight: 700;
  opacity: 0.8;
  text-transform: uppercase;
}

.quote-content {
  transition: opacity 0.5s;
}

.quote-fade-out {
  opacity: 0;
}

.level-card,
.challenge-card {
  padding: 14px 18px;
  transition: all 0.28s ease;
}

.level-toggle,
.challenge-toggle {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  color: inherit;
  text-align: left;
}

.level-toggle-left,
.challenge-toggle-left {
  min-width: 0;
  flex: 1;
}

.level-rank {
  margin: 4px 0 0;
  font-size: 22px;
  line-height: 1.1;
  word-break: break-word;
}

.challenge-toggle-left h3 {
  margin: 4px 0 0;
  font-size: 16px;
  line-height: 1.2;
}

.level-toggle-right,
.challenge-toggle-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;
}

.mini-info-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent-color) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 15%, transparent);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.level-toggle-arrow {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  transition: transform 0.28s ease;
  flex-shrink: 0;
}

.collapsed-xp-preview {
  margin-top: 12px;
  transition: opacity 0.28s ease, max-height 0.28s ease, margin-top 0.28s ease;
  max-height: 40px;
  opacity: 1;
}

.level-body,
.challenge-body {
  overflow: hidden;
  max-height: 600px;
  opacity: 1;
  margin-top: 16px;
  transition: max-height 0.28s ease, opacity 0.24s ease, margin-top 0.28s ease;
}

.level-card.collapsed,
.challenge-card.collapsed {
  min-height: 106px;
}

.level-card.collapsed .level-body,
.challenge-card.collapsed .challenge-body {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  pointer-events: none;
}

.level-card:not(.collapsed) .collapsed-xp-preview {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  pointer-events: none;
}

.level-card.collapsed .level-toggle-arrow,
.challenge-card.collapsed .level-toggle-arrow {
  transform: rotate(-90deg);
}

.level-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.level-summary-text .level-rank {
  font-size: 18px;
}

.level-badge {
  min-width: 82px;
  text-align: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 20%, transparent);
}

.level-number {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-top: 2px;
}

.player-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.player-stat-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-color) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 12%, transparent);
  min-width: 0;
}

.player-stat-pill strong {
  font-size: 15px;
  word-break: break-word;
}

.player-stat-emoji {
  font-size: 18px;
  flex-shrink: 0;
}

.player-stat-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text-soft);
  text-transform: uppercase;
}

.reward-rules {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.reward-rules span {
  font-size: 11px;
  font-weight: 700;
  padding: 7px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-color) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 16%, transparent);
}

.challenge-count {
  min-width: 48px;
  text-align: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-color) 10%, transparent);
  font-weight: 800;
}

.challenge-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.challenge-item {
  padding: 12px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-color) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-color) 12%, transparent);
}

.challenge-complete {
  border-color: #10b981;
  background: color-mix(in srgb, #10b981 10%, transparent);
}

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

.challenge-title {
  font-weight: 700;
  line-height: 1.25;
  font-size: 14px;
  flex: 1;
}

.challenge-progress {
  font-weight: 800;
  font-size: 12px;
  white-space: nowrap;
}

.challenge-meta {
  font-size: 11px;
  color: var(--text-soft);
  margin-top: 5px;
}

.challenge-progress-bar {
  width: 100%;
  height: 7px;
  background: var(--btn-neutral-bg);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 8px;
}

.challenge-progress-fill {
  height: 100%;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.hamburger-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-main);
  border-radius: 12px;
}

.hamburger-btn:hover {
  background: var(--btn-neutral-bg);
}

.hamburger-menu {
  position: absolute;
  top: 60px;
  right: 0;
  width: 280px;
  max-width: calc(100vw - 32px);
  background: var(--card-solid);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow);
  z-index: 100;
}

.menu-section {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.menu-section:last-child {
  border: none;
  margin: 0;
  padding: 0;
}

.menu-section h3 {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 10px;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  padding: 6px 0;
}

.setting-select-row select {
  max-width: 145px;
  min-width: 120px;
}

.setting-action-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 10px;
  background: var(--accent-color);
  color: white;
  font-weight: 700;
  cursor: pointer;
  margin-top: 8px;
}

.setting-action-btn:hover {
  filter: brightness(0.98);
}

.setting-action-btn.edit-mode-active {
  background: #10b981;
}

.neutral-action {
  background: var(--btn-neutral-bg);
  color: var(--btn-neutral-fg);
}

.upload-label {
  display: block;
  text-align: center;
}

.theme-switch {
  position: relative;
  display: inline-block;
  width: 62px;
  height: 34px;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.slider {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #d1d5db;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s ease;
  padding: 4px;
}

.slider::before {
  content: "";
  position: absolute;
  height: 26px;
  width: 26px;
  left: 4px;
  top: 4px;
  background: white;
  border-radius: 50%;
  transition: transform 0.25s ease;
}

.slider-icon {
  position: absolute;
  left: 9px;
  top: 6px;
  font-size: 14px;
  pointer-events: none;
}

.theme-switch input:checked + .slider {
  background: var(--accent-color);
}

.theme-switch input:checked + .slider::before {
  transform: translateX(28px);
}

.theme-switch input:checked + .slider .slider-icon {
  transform: translateX(28px);
}

.task-input {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto auto;
  gap: 10px;
  margin-bottom: 24px;
}

.task-input input,
.task-input select {
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  border-radius: 12px;
  padding: 12px;
  color: var(--text-main);
  outline: none;
  min-width: 0;
}

.task-input input:focus,
.task-input select:focus,
#searchInput:focus,
.modal-field input:focus,
.modal-field select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-color) 18%, transparent);
}

.input-error {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.16) !important;
}

#addTaskBtn,
#resetBtn {
  border: none;
  border-radius: 12px;
  padding: 0 20px;
  font-weight: 700;
  cursor: pointer;
  min-height: 48px;
}

#addTaskBtn {
  background: var(--accent-color);
  color: white;
}

#resetBtn {
  background: var(--btn-neutral-bg);
  color: var(--btn-neutral-fg);
}

.view-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.view-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.view-btn {
  background: var(--card-solid);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text-soft);
  transition: all 0.2s;
}

.view-btn.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
}

#searchInput {
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 10px 16px;
  background: var(--input-bg);
  color: var(--text-main);
  min-width: 220px;
  max-width: 100%;
}

.section {
  margin-top: 18px;
}

.section-header h2 {
  margin: 0 0 12px;
  font-size: 20px;
}

.task-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.task-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: var(--card-solid);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  cursor: grab;
}

.task-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.task-card.dragging {
  opacity: 0.5;
}

.task-card.overdue {
  border-color: #ef4444;
  border-width: 2px;
}

.task-card.due-today {
  border-color: #f59e0b;
  border-width: 2px;
}

.drag-over {
  border-top: 3px solid var(--accent-color);
}

.task-main {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.toggle-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.toggle-btn.completed {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

.task-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.task-text {
  font-weight: 600;
  word-break: break-word;
}

.task-text.completed {
  text-decoration: line-through;
  opacity: 0.5;
}

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

.due-date {
  font-size: 13px;
  color: var(--text-soft);
}

.priority-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.priority-high {
  background: #fee2e2;
  color: #b91c1c;
}

.priority-medium {
  background: #fef3c7;
  color: #b45309;
}

.priority-low {
  background: #dcfce7;
  color: #15803d;
}

.task-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.task-action-btn {
  border: none;
  border-radius: 10px;
  padding: 9px 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13px;
}

.edit-btn {
  background: #dbeafe;
  color: #1d4ed8;
}

.delete-btn {
  background: #fee2e2;
  color: #b91c1c;
}

.empty-state {
  padding: 16px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-color) 8%, transparent);
  color: var(--text-soft);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 16px;
}

.modal-card {
  background: var(--card-solid);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 28px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

.modal-title {
  margin: 0 0 20px;
  font-size: 20px;
}

.modal-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.modal-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
}

.modal-field input,
.modal-field select {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-main);
  outline: none;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.modal-btn {
  flex: 1;
  padding: 13px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
}

.modal-btn-cancel {
  background: var(--btn-neutral-bg);
  color: var(--btn-neutral-fg);
}

.modal-btn-save {
  background: var(--accent-color);
  color: white;
}

body.theme-blue {
  --accent-color: #0ea5e9;
  --accent-hover: #0284c7;
  --page-bg: linear-gradient(135deg, #f0f9ff, #e0f2fe);
  --card-bg: rgba(255, 255, 255, 0.95);
  --border-color: #bae6fd;
  --input-bg: #f8fafc;
}

body.theme-green {
  --accent-color: #10b981;
  --accent-hover: #059669;
  --page-bg: linear-gradient(135deg, #ecfdf5, #d1fae5);
  --card-bg: rgba(255, 255, 255, 0.95);
  --border-color: #a7f3d0;
  --input-bg: #f0fdf4;
}

body.theme-purple {
  --accent-color: #8b5cf6;
  --accent-hover: #7c3aed;
  --page-bg: linear-gradient(135deg, #f5f3ff, #ede9fe);
  --card-bg: rgba(255, 255, 255, 0.95);
  --border-color: #ddd6fe;
  --input-bg: #fbfaff;
}

body.theme-fritolay {
  --accent-color: #c41230;
  --accent-hover: #a00f28;
  --page-bg: linear-gradient(135deg, #005cb9, #004a96);
  --card-bg: rgba(255, 255, 255, 0.98);
  --card-solid: #ffffff;
  --text-main: #212121;
  --border-color: #ffb81c;
  --btn-neutral-bg: #f1f1f1;
}

body.dark-mode {
  --page-bg: #0f172a;
  --card-bg: #1e293b;
  --card-solid: #1e293b;
  --text-main: #f8fafc;
  --text-soft: #94a3b8;
  --border-color: #334155;
  --input-bg: #0f172a;
  --btn-neutral-bg: #334155;
  --btn-neutral-fg: #f8fafc;
}

body.dark-mode .date-box {
  background: #020617;
  color: #f8fafc;
}

body.dark-mode .edit-btn {
  background: #1e3a8a;
  color: #dbeafe;
}

body.dark-mode .delete-btn {
  background: #7f1d1d;
  color: #fee2e2;
}

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

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

  .player-stats-row {
    grid-template-columns: 1fr;
  }

  .quote-card {
    min-height: unset;
  }

  .level-toggle,
  .challenge-toggle {
    align-items: flex-start;
    flex-direction: column;
  }

  .level-toggle-right,
  .challenge-toggle-right {
    width: 100%;
    justify-content: flex-start;
  }

  .container {
    padding: 24px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 16px 10px;
  }

  .container {
    padding: 18px 14px;
    border-radius: 20px;
  }

  .top-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .top-bar-right {
    width: 100%;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-top: 0;
  }

  .logo-text {
    font-size: 34px;
  }

  .date-box {
    font-size: 12px;
    padding: 10px 14px;
    max-width: calc(100vw - 110px);
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hamburger-menu {
    top: 52px;
    right: 0;
    left: auto;
    width: min(280px, calc(100vw - 20px));
  }

  .dashboard-grid,
  .gamify-grid {
    gap: 12px;
  }

  .stats-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .task-input {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .task-input input,
  .task-input select,
  #addTaskBtn,
  #resetBtn {
    width: 100%;
  }

  .view-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .view-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .view-btn {
    text-align: center;
  }

  #searchInput {
    width: 100%;
    min-width: 0;
  }

  .task-card {
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
  }

  .task-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .task-action-btn {
    width: 100%;
  }

  .challenge-item-top {
    align-items: flex-start;
  }

  .challenge-count {
    min-width: 44px;
  }

  .level-card,
  .challenge-card,
  .stats-card,
  .quote-card {
    padding: 14px;
    border-radius: 18px;
  }

  .level-card.collapsed,
  .challenge-card.collapsed {
    min-height: 98px;
  }

  .mini-info-pill {
    font-size: 12px;
    padding: 7px 10px;
  }

  .level-rank {
    font-size: 18px;
  }

  .player-stats-row {
    grid-template-columns: 1fr;
  }

  .reward-rules span {
    width: 100%;
    text-align: center;
  }

  .modal-card {
    padding: 20px 16px;
    border-radius: 18px;
  }

  .modal-actions {
    flex-direction: column;
  }
}

.hidden {
  display: none !important;
}