/* v2 */
/* components.css — Shared UI components */
/* ============ Cards ============ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.card + .card {
  margin-top: var(--spacing-md);
}

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  min-height: 44px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

.btn--primary:active {
  background: var(--accent-pressed);
  transform: scale(0.97);
}

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

.btn--secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn--secondary:hover {
  background: var(--border-color);
}

.btn--danger {
  background: var(--danger-text);
  color: white;
}

.btn--danger:hover {
  opacity: 0.9;
}

.btn--ghost {
  color: var(--accent);
  background: transparent;
}

.btn--ghost:hover {
  background: var(--accent-light);
}

.btn--full {
  width: 100%;
}

.btn--sm {
  padding: 6px 12px;
  min-height: 36px;
  font-size: var(--font-size-xs);
}

/* ============ Owner Chips ============ */
.owner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
.owner-chip {
  padding: 6px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--border-light);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.owner-chip--selected {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ============ Device Theme Picker ============ */
.dt-section {
  margin-bottom: var(--spacing-md);
}
.dt-themes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-xs);
}
.dt-theme-btn {
  padding: 10px 8px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-light);
  background: var(--bg-card);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.dt-theme-btn:active { transform: scale(0.95); }
.dt-theme-btn--active {
  border-color: var(--accent);
  background: var(--accent-light);
}
.dt-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.dt-color-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
}
.dt-color-btn:active { transform: scale(0.9); }
.dt-color-btn--active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--text-primary);
}

/* ============ Loading ============ */
.loading-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  justify-content: center;
  color: var(--text-secondary);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-spinner--small {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============ Connection Status ============ */
.connection-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.connection-dot--online {
  background: var(--success-text);
}

.connection-dot--offline {
  background: var(--danger-text);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============ Empty State ============ */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  color: var(--text-secondary);
}

.empty-state__icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.empty-state__title {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.empty-state__subtitle {
  font-size: var(--font-size-sm);
}

/* ── Empty state entrance animation ── */
@keyframes emptyBob {
  0% { transform: scale(0.8); opacity: 0; }
  60% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

.empty-state__icon {
  animation: emptyBob 0.6s ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .empty-state__icon { animation: none; }
}

/* ============ Person Filter ============ */
.person-filter {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding: var(--spacing-sm) 0 calc(var(--spacing-sm) + 2px);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border-subtle, var(--border-light));
  margin-bottom: var(--spacing-sm);
}

.person-filter::-webkit-scrollbar {
  display: none;
}

.person-pill {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 2px solid transparent;
  min-height: 36px;
  transition: all var(--transition-fast), transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.person-pill:active {
  transform: scale(0.95);
}

.person-pill--active {
  background: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
  animation: pillPop 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.person-pill[data-person-id]:not([data-person-id=""]).person-pill--active {
  border-color: var(--person-color);
  color: var(--person-color);
}

@keyframes pillPop {
  0% { transform: scale(0.92); }
  60% { transform: scale(1.06); }
  100% { transform: scale(1); }
}

/* ============ Undo Toast ============ */
.undo-toast {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--spacing-md) + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  box-shadow: var(--shadow-lg);
  z-index: 150;
  animation: slideUp 0.3s ease;
  max-width: calc(100vw - 32px);
}

.undo-toast__message {
  font-size: var(--font-size-sm);
}

.undo-toast__btn {
  color: var(--accent);
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

/* ============ Bottom Sheet ============ */
.bottom-sheet-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.bottom-sheet-overlay.active {
  opacity: 1;
  visibility: visible;
}

.bottom-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  max-height: 80vh;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-sheet-overlay.active .bottom-sheet {
  transform: translateY(0);
}

.bottom-sheet__handle {
  width: 36px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  margin: var(--spacing-sm) auto var(--spacing-md);
}

.bottom-sheet__content {
  padding: 0 var(--spacing-md) var(--spacing-lg);
}

/* ============ Form Elements ============ */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.form-row > * {
  flex: 1;
  min-width: 120px;
}

/* ============ Chip / Tag ============ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

/* ============ Utilities ============ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: var(--font-size-sm); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

/* ============ Progress Bar ============ */
.progress-section {
  margin-bottom: var(--spacing-md);
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.progress-pct {
  font-weight: 600;
  color: var(--accent);
}

.progress-bar {
  height: 10px;
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 75%, #fff));
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-bar__fill[style*="width:100%"]::after,
.progress-bar__fill[style*="width: 100%"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.3) 50%, transparent 100%);
  animation: progressShimmer 1.5s ease-in-out infinite;
}

@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============ Task Card ============ */
.task-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  text-align: left;
  padding: 10px var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle, var(--border-light));
  border-left: 4px solid var(--owner-color, var(--border-light));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px;
}

.task-card + .task-card {
  margin-top: 6px;
}

.task-card:active {
  transform: scale(0.98);
}

.task-card--done {
  opacity: 0.65;
  background: color-mix(in srgb, var(--success-text) 4%, var(--bg-secondary));
  border-color: transparent;
  border-left-color: var(--owner-color, transparent);
  box-shadow: none;
}

.task-card--done .task-card__name {
  text-decoration: line-through;
  color: var(--text-secondary);
}

.task-card--overdue {
  border-left-color: var(--warning-text);
  background: color-mix(in srgb, var(--warning-text) 5%, var(--bg-card));
}

/* Owner avatar circle */
.task-card__avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--owner-color, var(--text-muted));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-xs);
  flex-shrink: 0;
  line-height: 1;
}

/* Legacy initial style (fallback) */
.task-card__initial {
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: var(--owner-color, var(--text-secondary));
  flex-shrink: 0;
  width: 1.2em;
  text-align: center;
}

.task-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.task-card__name {
  font-weight: 600;
  font-size: var(--font-size-base);
  line-height: 1.4;
  word-break: break-word;
}

.task-card__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  margin-left: auto;
}

.task-card__meta {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  white-space: nowrap;
}

.task-card__date {
  font-size: var(--font-size-xs);
  color: var(--warning-text);
  font-weight: 600;
  white-space: nowrap;
}

.task-card__pts--up {
  color: var(--success-text);
  font-weight: 700;
}

.task-card__pts--down {
  color: var(--danger-text);
  font-weight: 700;
}

.task-card__check {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  flex-shrink: 0;
  position: relative;
  background: var(--bg-card);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.task-card--done .task-card__check {
  background: var(--accent);
  border-color: var(--accent);
  animation: checkPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.task-card--done .task-card__check::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2.5px 2.5px 0;
  transform: rotate(45deg);
  animation: checkDraw 0.2s ease-out 0.05s both;
}

@keyframes checkPop {
  0% { transform: scale(0.8); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes checkDraw {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0 0 0 0); }
}

/* ── Colored cells (vivid themes) ── */
[data-colored-cells="true"] .task-card {
  background: color-mix(in srgb, var(--owner-color) 12%, var(--bg-card));
  border-left-color: color-mix(in srgb, var(--owner-color) 40%, var(--bg-card));
}
[data-colored-cells="true"][data-theme="dark"] .task-card {
  background: color-mix(in srgb, var(--owner-color) 18%, var(--bg-card));
  border-left-color: color-mix(in srgb, var(--owner-color) 50%, var(--bg-card));
}
[data-colored-cells="true"] .task-card--done {
  background: color-mix(in srgb, var(--owner-color) 5%, color-mix(in srgb, var(--success-text) 3%, var(--bg-secondary)));
}
[data-colored-cells="true"][data-theme="dark"] .task-card--done {
  background: color-mix(in srgb, var(--owner-color) 8%, color-mix(in srgb, var(--success-text) 4%, var(--bg-secondary)));
}
[data-colored-cells="true"] .task-card--overdue {
  background: color-mix(in srgb, var(--warning-text) 8%, color-mix(in srgb, var(--owner-color) 10%, var(--bg-card)));
}

/* ── Event task cards ── */
.task-card--event {
  border-left-color: var(--event-color, var(--accent));
  background: color-mix(in srgb, var(--event-color, var(--accent)) 6%, var(--bg-card));
  border-style: solid;
}
.task-card--event .task-card__meta {
  color: var(--event-color, var(--accent));
  font-weight: 600;
}
.task-card--event.task-card--done {
  background: color-mix(in srgb, var(--event-color, var(--accent)) 4%, var(--bg-secondary));
}
[data-colored-cells="true"] .task-card--event {
  background: color-mix(in srgb, var(--event-color, var(--accent)) 10%, var(--bg-card));
}

/* Task card action tags (delegated/moved indicators) */
.task-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}
.task-card__tag {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 8px;
  white-space: nowrap;
}
.task-card__tag--delegated {
  background: var(--info-bg);
  color: var(--info-text);
}
.task-card__tag--moved {
  background: var(--warning-bg);
  color: var(--warning-text);
}

/* ============ Overdue Banner ============ */
.overdue-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--warning-bg);
  border: 1px solid var(--warning-text);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.overdue-banner__icon {
  font-size: 1.1rem;
}

.overdue-banner__text {
  flex: 1;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--warning-text);
  text-align: left;
}

.overdue-banner__arrow {
  font-size: var(--font-size-sm);
  color: var(--warning-text);
  transition: transform var(--transition-fast);
}

.overdue-banner__arrow.expanded {
  transform: rotate(90deg);
}

.overdue-list {
  margin-bottom: var(--spacing-md);
}

/* ============ Grade Badge ============ */
.grade-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  line-height: 1.3;
}

.grade-badge--a { background: color-mix(in srgb, var(--grade-a) 15%, transparent); color: var(--grade-a); }
.grade-badge--b { background: color-mix(in srgb, var(--grade-b) 15%, transparent); color: var(--grade-b); }
.grade-badge--c { background: color-mix(in srgb, var(--grade-c) 15%, transparent); color: var(--grade-c); }
.grade-badge--d { background: color-mix(in srgb, var(--grade-d) 15%, transparent); color: var(--grade-d); }
.grade-badge--f { background: color-mix(in srgb, var(--grade-f) 15%, transparent); color: var(--grade-f); }
.grade-badge--none { color: var(--text-muted); }

/* ── Task completion animation ── */
@keyframes cardPress {
  0% { transform: scale(1); }
  30% { transform: scale(0.98); }
  100% { transform: scale(1); }
}

.task-card--completing {
  animation: cardPress 0.3s ease;
  background: color-mix(in srgb, var(--success-text) 8%, var(--bg-card));
}

.task-card--completing .task-card__check {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* prefers-reduced-motion: disable all animations */
@media (prefers-reduced-motion: reduce) {
  .task-card--completing,
  .task-card--done .task-card__check,
  .task-card--done .task-card__check::after,
  .celebration__content {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Swipe-to-complete ── */
.swipe-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.swipe-container + .swipe-container {
  margin-top: 6px;
}

.swipe-strip {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  font-weight: 700;
  font-size: var(--font-size-sm);
  color: #fff;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

.swipe-strip--right {
  left: 0;
  background: var(--success-text);
  justify-content: flex-start;
}

.swipe-strip--left {
  right: 0;
  background: var(--accent);
  justify-content: flex-end;
}

.swipe-strip--undo {
  background: var(--danger-text);
}

.swipe-strip--visible {
  opacity: 1;
}

.swipe-container .task-card {
  position: relative;
  z-index: 1;
  transition: transform 0.2s ease-out;
  margin-top: 0;
}

.swipe-container .task-card + .task-card {
  margin-top: 0;
}

@media (prefers-reduced-motion: reduce) {
  .swipe-container .task-card { transition: none; }
}

/* ── Offline banner ── */
@keyframes bannerSlideIn {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.offline-banner {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: var(--font-size-sm);
  font-weight: 600;
  z-index: 99;
  animation: bannerSlideIn 0.3s ease-out;
}

.offline-banner--online {
  background: var(--success-bg);
  color: var(--success-text);
}

.offline-banner__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning-text);
}

.offline-banner--online .offline-banner__dot {
  background: var(--success-text);
}