:root {
  --tg-theme-bg-color: #1a1a2e;
  --tg-theme-text-color: #eee;
  --tg-theme-hint-color: #999;
  --tg-theme-button-color: #6366f1;
  --tg-theme-button-text-color: #fff;
  --tg-theme-secondary-bg-color: #16213e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-bottom: 72px;
}

.main {
  flex: 1;
  padding: 16px;
  padding-bottom: 24px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view-header {
  margin-bottom: 20px;
}

.view-header h1 {
  margin: 0 0 6px 0;
  font-size: 1.4rem;
  font-weight: 700;
}

.view-header .subtitle {
  margin: 0;
  font-size: 0.85rem;
  color: var(--tg-theme-hint-color);
}

/* Tab bar */
.tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  padding-bottom: env(safe-area-inset-bottom, 0);
  background: var(--tg-theme-secondary-bg-color);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 100;
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 8px 4px;
  background: none;
  border: none;
  color: var(--tg-theme-hint-color);
  font-size: 0.7rem;
  cursor: pointer;
  transition: color 0.2s;
}

.tab-btn.active {
  color: var(--tg-theme-button-color);
}

.tab-icon {
  font-size: 1.4rem;
}

.tab-btn-center {
  flex: 0 0 64px;
}

.tab-btn-center .tab-icon-center {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  border-radius: 50%;
  font-size: 1.5rem;
  line-height: 1;
}

.tab-btn-center.active .tab-icon-center {
  box-shadow: 0 0 0 3px var(--tg-theme-bg-color), 0 0 0 5px var(--tg-theme-button-color);
}

.tab-label {
  font-size: 0.65rem;
}

.tab-icon-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.tab-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Tasks list */
.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.task-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.task-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.task-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.task-title {
  font-size: 0.95rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-stake {
  font-size: 0.8rem;
  color: var(--tg-theme-hint-color);
}

.task-deadline {
  font-size: 0.8rem;
  color: var(--tg-theme-button-color);
  margin-top: 2px;
}

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

.task-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: opacity 0.2s;
}

.task-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.task-btn-success {
  background: rgba(34, 197, 94, 0.25);
  color: #4ade80;
}

.task-btn-fail {
  background: rgba(239, 68, 68, 0.25);
  color: #f87171;
}

.empty-hint {
  font-size: 0.9rem;
  color: var(--tg-theme-hint-color);
  margin: 16px 0 0 0;
}

.goals-actions {
  margin-top: 16px;
}

.btn-secondary {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  background: transparent;
  color: var(--tg-theme-text-color);
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover {
  background: var(--tg-theme-secondary-bg-color);
}

.task-status {
  display: block;
  font-size: 0.8rem;
  margin-top: 4px;
  color: var(--tg-theme-hint-color);
}

.task-card-archive .task-actions {
  display: none;
}

/* Icon picker */
.icon-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 16px 0;
}

.icon-option {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: var(--tg-theme-secondary-bg-color);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.15s;
}

.icon-option:hover {
  border-color: var(--tg-theme-button-color);
}

.icon-option.active {
  border-color: var(--tg-theme-button-color);
  background: rgba(99, 102, 241, 0.2);
}

/* Form */
.form label {
  display: block;
  margin: 16px 0 6px 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--tg-theme-hint-color);
}

.form label:first-child {
  margin-top: 0;
}

.form textarea,
.form input[type="number"],
.form input[type="datetime-local"] {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  background: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
  resize: vertical;
}

.form textarea {
  min-height: 60px;
}

.form textarea[rows="2"] {
  min-height: 56px;
}

.form input[type="number"],
.form input[type="datetime-local"] {
  min-height: 48px;
}

.form-input-datetime {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  background: var(--tg-theme-secondary-bg-color);
  color: var(--tg-theme-text-color);
}

.form textarea::placeholder,
.form input::placeholder {
  color: var(--tg-theme-hint-color);
  opacity: 0.8;
}

.hint {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--tg-theme-hint-color);
}

.btn {
  width: 100%;
  margin-top: 24px;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover {
  opacity: 0.95;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.error, .success {
  margin-top: 16px;
  padding: 12px;
  border-radius: 8px;
  font-size: 0.9rem;
}

.error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
}

.success {
  background: rgba(34, 197, 94, 0.2);
  color: #4ade80;
}

[hidden] {
  display: none !important;
}

/* Profile */
.profile-card {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.profile-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.profile-row:last-of-type {
  border-bottom: none;
}

.profile-label {
  color: var(--tg-theme-hint-color);
  font-size: 0.9rem;
}

.profile-balance .profile-balance-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--tg-theme-text-color);
}

.profile-coin-icon {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  object-fit: contain;
}

.stake-balance {
  font-size: 0.9rem;
  color: var(--tg-theme-hint-color);
  margin: -4px 0 8px 0;
}

.stake-balance[hidden] {
  display: none;
}

.profile-buy-btn {
  margin-top: 12px;
  width: 100%;
}

.profile-hint {
  margin: 12px 0 0 0;
  font-size: 0.8rem;
  color: var(--tg-theme-hint-color);
}

/* More */
.more-links {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--tg-theme-hint-color);
}

.more-links p {
  margin: 0 0 12px 0;
}

.more-links strong {
  color: var(--tg-theme-text-color);
}