*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface-2: #222240;
  --border: #2e2e4a;
  --text: #eaeaf0;
  --text-muted: #8888a8;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --accent-glow: rgba(233, 69, 96, 0.25);
  --temp: #f5a623;
  --time: #4ecdc4;
  --danger: #ff4757;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  line-height: 1.5;
  padding-top: var(--safe-top);
  padding-bottom: calc(1.5rem + var(--safe-bottom));
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.25rem 0.75rem;
  background: linear-gradient(180deg, var(--surface) 0%, transparent 100%);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__icon {
  font-size: 2rem;
  line-height: 1;
}

.header__title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 12px var(--accent-glow);
}

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

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  padding: 0.55rem;
}

.btn--ghost:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn--danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn--danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn--icon {
  padding: 0.45rem;
  border-radius: 50%;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn--secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn:focus-visible,
.card:focus-visible,
.card__drag:focus-visible,
.field__input:focus-visible,
.search-bar__input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

/* Main */
.main {
  padding: 0.75rem 1.25rem 2rem;
  max-width: 640px;
  margin: 0 auto;
}

/* Search */
.search-bar {
  position: relative;
  margin-bottom: 1.25rem;
}

.search-bar__icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-bar__input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.search-bar__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-bar__input::placeholder {
  color: var(--text-muted);
}

/* Cards */
.cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s, opacity 0.15s;
}

.card--dragging {
  opacity: 0.45;
}

.card--over {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.card:active {
  transform: scale(0.99);
}

.card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
}

.card__title-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  min-width: 0;
  flex: 1;
}

.card__drag {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  margin-top: 0.1rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: grab;
  touch-action: none;
}

.card__drag:hover {
  background: var(--surface-2);
  color: var(--text);
}

.card__drag:focus-visible {
  background: var(--surface-2);
  color: var(--text);
}

.card__drag:active {
  cursor: grabbing;
}

.card__title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
  min-width: 0;
}

.card__edit {
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.15s;
}

.card:hover .card__edit,
.card:focus-within .card__edit {
  opacity: 1;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.badge--temp {
  background: rgba(245, 166, 35, 0.15);
  color: var(--temp);
}

.badge--time {
  background: rgba(78, 205, 196, 0.15);
  color: var(--time);
}

.card__notes {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.card__date {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Empty state */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
  font-size: 0.9rem;
}

/* Modal */
.modal {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  background: transparent;
  max-width: calc(100vw - 2rem);
  width: 440px;
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
}

.modal--small {
  width: 360px;
}

.modal__content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--text);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.modal__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.modal__body {
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.modal__hint {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem 1.1rem;
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.modal__footer-right {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;
}

/* Form fields */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.field__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field__input {
  padding: 0.65rem 0.85rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.field__input:focus {
  border-color: var(--accent);
}

.field__textarea {
  resize: vertical;
  min-height: 4rem;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.25rem 0;
}

/* Responsive */
@media (max-width: 480px) {
  .header__subtitle {
    display: none;
  }

  .btn--primary span,
  .btn--primary {
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
  }

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

  .card__edit {
    opacity: 1;
  }

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

@media (min-width: 641px) {
  .cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
  }
}