/* ==========================================================================
   Closet Compass — components
   All values from tokens.css. No literal colours, fonts, or px spacing.
   ========================================================================== */

/* --- Buttons --------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cc-space-2);
  min-height: var(--cc-tap-target-min);
  padding: var(--cc-space-3) var(--cc-space-5);
  border: 0;
  border-radius: var(--cc-radius-md);
  font-family: inherit;
  font-size: var(--cc-text-base);
  font-weight: var(--cc-weight-semibold);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--cc-duration-instant) var(--cc-ease-out),
              box-shadow var(--cc-duration-instant) var(--cc-ease-out),
              background var(--cc-duration-fast) var(--cc-ease-out);
}

.btn:disabled,
.btn[aria-busy="true"] { opacity: 0.65; cursor: not-allowed; }

/*
 * Primary uses --cc-primary (coral-600), NOT --cc-primary-tint.
 * White text on the lighter logo coral is 2.26:1 and fails WCAG AA.
 * See DESIGN_SYSTEM.md § The contrast problem.
 */
.btn--primary {
  background: var(--cc-primary);
  color: var(--cc-text-on-brand);
  /* Duolingo-style solid bottom edge that collapses on press */
  box-shadow: var(--cc-shadow-pressable);
}

.btn--primary:hover:not(:disabled) { background: var(--cc-primary-hover); }

.btn--primary:active:not(:disabled) {
  box-shadow: var(--cc-shadow-pressable-active);
  transform: translateY(3px);
}

.btn--secondary {
  background: var(--cc-secondary);
  color: var(--cc-text-on-brand);
}

.btn--secondary:hover:not(:disabled) { background: var(--cc-secondary-hover); }

.btn--ghost {
  background: transparent;
  color: var(--cc-text);
  box-shadow: inset 0 0 0 1px var(--cc-border-strong);
}

.btn--ghost:hover:not(:disabled) { background: var(--cc-bg-sunken); }

.btn--block { width: 100%; }
.btn--sm { min-height: 36px; padding: var(--cc-space-2) var(--cc-space-4); font-size: var(--cc-text-sm); }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--cc-tap-target-min);
  height: var(--cc-tap-target-min);
  padding: 0;
  border: 0;
  border-radius: var(--cc-radius-md);
  background: transparent;
  color: var(--cc-text);
  cursor: pointer;
}

.icon-btn:hover { background: var(--cc-bg-sunken); }

/* --- Cards ---------------------------------------------------------------- */

.card {
  background: var(--cc-bg-raised);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-xl);
  box-shadow: var(--cc-shadow-sm);
  padding: var(--cc-space-5);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--cc-bg-raised);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-2xl);
  box-shadow: var(--cc-shadow-lg);
  padding: var(--cc-space-6) var(--cc-space-5);
}

.auth-card__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--cc-space-3);
  margin-bottom: var(--cc-space-5);
  text-align: center;
}

.auth-card__brand img { width: 64px; height: 64px; }

.auth-card h1 {
  font-size: var(--cc-text-2xl);
  text-align: center;
  margin-bottom: var(--cc-space-2);
}

.auth-card__sub {
  text-align: center;
  color: var(--cc-text-muted);
  font-size: var(--cc-text-sm);
  margin-bottom: var(--cc-space-5);
}

.auth-card__foot {
  margin: var(--cc-space-5) 0 0;
  padding-top: var(--cc-space-4);
  border-top: 1px solid var(--cc-border);
  text-align: center;
  font-size: var(--cc-text-sm);
  color: var(--cc-text-muted);
}

/* --- Forms ---------------------------------------------------------------- */

.field { margin-bottom: var(--cc-space-4); }

.field__label {
  display: block;
  margin-bottom: var(--cc-space-2);
  font-size: var(--cc-text-sm);
  font-weight: var(--cc-weight-semibold);
  color: var(--cc-text);
}

.field__input {
  width: 100%;
  min-height: var(--cc-tap-target-min);
  padding: var(--cc-space-3);
  font-family: inherit;
  font-size: var(--cc-text-base);   /* 16px minimum stops iOS zoom on focus */
  color: var(--cc-text);
  background: var(--cc-bg);
  border: 1px solid var(--cc-border-strong);
  border-radius: var(--cc-radius-md);
  transition: border-color var(--cc-duration-fast) var(--cc-ease-out),
              box-shadow var(--cc-duration-fast) var(--cc-ease-out);
}

.field__input:focus {
  outline: none;
  border-color: var(--cc-secondary);
  box-shadow: 0 0 0 3px var(--cc-secondary-subtle);
}

.field__input[aria-invalid="true"] { border-color: var(--cc-danger-600); }

.field__hint {
  margin: var(--cc-space-2) 0 0;
  font-size: var(--cc-text-xs);
  color: var(--cc-text-muted);
}

.field__error {
  margin: var(--cc-space-2) 0 0;
  font-size: var(--cc-text-xs);
  font-weight: var(--cc-weight-medium);
  color: var(--cc-danger-600);
}

/* --- Alerts --------------------------------------------------------------- */

.alert {
  display: flex;
  gap: var(--cc-space-3);
  padding: var(--cc-space-3) var(--cc-space-4);
  margin-bottom: var(--cc-space-4);
  border-radius: var(--cc-radius-md);
  font-size: var(--cc-text-sm);
  line-height: var(--cc-leading-snug);
}

.alert--error   { background: var(--cc-danger-100);  color: var(--cc-danger-600); }
.alert--success { background: var(--cc-success-100); color: var(--cc-success-600); }
.alert--info    { background: var(--cc-info-100);    color: var(--cc-info-600); }
.alert--warning { background: var(--cc-warning-100); color: var(--cc-warning-700); }

/* --- Divider with label --------------------------------------------------- */

.divider {
  display: flex;
  align-items: center;
  gap: var(--cc-space-3);
  margin: var(--cc-space-5) 0;
  color: var(--cc-text-subtle);
  font-size: var(--cc-text-xs);
  text-transform: uppercase;
  letter-spacing: var(--cc-tracking-wide);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--cc-border);
}

/* --- Google button -------------------------------------------------------- */

.btn--google {
  background: var(--cc-white);
  color: var(--cc-neutral-900);
  box-shadow: inset 0 0 0 1px var(--cc-border-strong);
}

.btn--google:hover { background: var(--cc-bg-sunken); }

/* --- Toasts --------------------------------------------------------------- */

.toast-stack {
  position: fixed;
  z-index: var(--cc-z-toast);
  left: var(--cc-space-4);
  right: var(--cc-space-4);
  /* Top on mobile: below the notch, above the thumb zone */
  top: calc(var(--cc-space-4) + env(safe-area-inset-top));
  display: flex;
  flex-direction: column;
  gap: var(--cc-space-2);
  pointer-events: none;
}

@media (min-width: 640px) {
  .toast-stack {
    left: auto;
    top: auto;
    right: var(--cc-space-5);
    bottom: var(--cc-space-5);
    width: 360px;
  }
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--cc-space-3);
  padding: var(--cc-space-3) var(--cc-space-4);
  border-radius: var(--cc-radius-md);
  background: var(--cc-bg-raised);
  box-shadow: var(--cc-shadow-lg);
  border-left: 4px solid var(--cc-border-strong);
  font-size: var(--cc-text-sm);
  pointer-events: auto;
  animation: toast-in var(--cc-duration-fast) var(--cc-ease-out);
}

.toast[data-leaving="true"] { animation: toast-out var(--cc-duration-fast) var(--cc-ease-out) forwards; }

.toast--success { border-left-color: var(--cc-success-600); }
.toast--error   { border-left-color: var(--cc-danger-600); }
.toast--info    { border-left-color: var(--cc-info-600); }
.toast--warning { border-left-color: var(--cc-warning-700); }

.toast__body { flex: 1; }

@keyframes toast-in  { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to   { opacity: 0; transform: translateY(-8px); } }

@media (min-width: 640px) {
  @keyframes toast-in  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
  @keyframes toast-out { to   { opacity: 0; transform: translateY(12px); } }
}

/* --- Modal ---------------------------------------------------------------- */

.modal-root {
  position: fixed;
  inset: 0;
  z-index: var(--cc-z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--cc-space-4);
  background: rgb(53 41 76 / 0.45);
  backdrop-filter: blur(3px);
  animation: fade-in var(--cc-duration-fast) var(--cc-ease-out);
}

.modal {
  width: 100%;
  max-width: 440px;
  padding: var(--cc-space-5);
  background: var(--cc-bg-raised);
  border-radius: var(--cc-radius-xl);
  box-shadow: var(--cc-shadow-xl);
  /* spring easing — the playful overshoot, used sparingly */
  animation: modal-in var(--cc-duration-normal) var(--cc-ease-spring);
}

.modal h2 { font-size: var(--cc-text-xl); }
.modal__body { color: var(--cc-text-muted); font-size: var(--cc-text-sm); }

.modal__actions {
  display: flex;
  gap: var(--cc-space-3);
  justify-content: flex-end;
  margin-top: var(--cc-space-5);
}

@keyframes fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in { from { opacity: 0; transform: scale(0.94); } to { opacity: 1; transform: none; } }

/* --- Usage meter ---------------------------------------------------------- */

.meter {
  height: 8px;
  border-radius: var(--cc-radius-full);
  background: var(--cc-bg-inset);
  overflow: hidden;
}

.meter__fill {
  height: 100%;
  border-radius: var(--cc-radius-full);
  background: var(--cc-secondary);
  transition: width var(--cc-duration-normal) var(--cc-ease-out);
}

.meter__fill[data-near="true"] { background: var(--cc-accent); }
.meter__fill[data-full="true"] { background: var(--cc-primary); }

/* --- Empty state ---------------------------------------------------------- */

.empty {
  text-align: center;
  padding: var(--cc-space-8) var(--cc-space-4);
}

.empty__icon { font-size: var(--cc-text-4xl); margin-bottom: var(--cc-space-3); }
.empty h2 { font-size: var(--cc-text-xl); }
.empty p { color: var(--cc-text-muted); max-width: 42ch; margin-inline: auto; }

/* --- Closet header -------------------------------------------------------- */

.closet-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--cc-space-4);
  margin-bottom: var(--cc-space-5);
}

.closet-head h1 { margin-bottom: var(--cc-space-1); }

.closet-head__sub {
  margin: 0;
  color: var(--cc-text-muted);
  font-size: var(--cc-text-sm);
}

/* A <label> acting as a button needs the pointer restored — labels default to
   the text cursor, which makes it feel unclickable. */
.closet-head__actions label.btn { cursor: pointer; }
.empty label.btn { cursor: pointer; }

/* --- Tagging progress banner --------------------------------------------- */

.tagging-banner {
  display: flex;
  align-items: center;
  gap: var(--cc-space-3);
  padding: var(--cc-space-3) var(--cc-space-4);
  margin-bottom: var(--cc-space-5);
  background: var(--cc-secondary-subtle);
  border-radius: var(--cc-radius-md);
  font-size: var(--cc-text-sm);
  color: var(--cc-secondary-hover);
}

.spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  border: 2px solid color-mix(in srgb, currentColor 25%, transparent);
  border-top-color: currentColor;
  border-radius: var(--cc-radius-full);
  animation: spin 700ms linear infinite;
}

.spinner--sm { width: 11px; height: 11px; border-width: 2px; }

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

/* A spinner is pure decoration; with reduced motion it becomes a static ring
   rather than removing the affordance entirely. */
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; opacity: 0.6; }
}

/* --- Item grid ------------------------------------------------------------ */

.item-grid {
  display: grid;
  /* auto-fill with a minmax floor: two columns on the narrowest phone, more as
     space allows, with no breakpoint list to maintain. */
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--cc-space-4);
  margin-bottom: var(--cc-space-6);
}

@media (min-width: 640px) {
  .item-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
}

.item-tile {
  background: var(--cc-bg-raised);
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-lg);
  overflow: hidden;
  transition: transform var(--cc-duration-fast) var(--cc-ease-out),
              box-shadow var(--cc-duration-fast) var(--cc-ease-out);
}

.item-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--cc-shadow-md);
}

.item-tile__image {
  position: relative;
  aspect-ratio: 1;
  background: var(--cc-bg-sunken);
}

.item-tile__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Reserves the square while the image loads. Without it the grid reflows as
   each photo arrives, which on a slow connection looks broken. */
.item-tile__placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    100deg,
    var(--cc-bg-sunken) 30%,
    var(--cc-bg-inset) 50%,
    var(--cc-bg-sunken) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
}

@keyframes shimmer { to { background-position: -200% 0; } }

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

.item-tile__badge {
  position: absolute;
  left: var(--cc-space-2);
  bottom: var(--cc-space-2);
  display: inline-flex;
  align-items: center;
  gap: var(--cc-space-1);
  padding: 4px var(--cc-space-2);
  border-radius: var(--cc-radius-full);
  font-size: var(--cc-text-2xs);
  font-weight: var(--cc-weight-semibold);
  background: var(--cc-bg-raised);
  box-shadow: var(--cc-shadow-sm);
}

.item-tile__badge--pending { color: var(--cc-secondary); }
.item-tile__badge--failed  { color: var(--cc-danger-600); }
/* Amber, not coral: "check this" is advisory, not an error. */
.item-tile__badge--review  { color: var(--cc-accent-text); background: var(--cc-accent-subtle); }

.item-tile__body { padding: var(--cc-space-3); }

.item-tile__title {
  margin: 0 0 var(--cc-space-1);
  font-size: var(--cc-text-sm);
  font-weight: var(--cc-weight-semibold);
  /* Garment names are AI-generated and vary in length; clamping keeps the grid
     even without truncating mid-word. */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.item-tile__meta {
  display: flex;
  align-items: center;
  gap: var(--cc-space-1);
  margin: 0;
  font-size: var(--cc-text-xs);
  color: var(--cc-text-muted);
}

.colour-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: var(--cc-radius-full);
  background: var(--dot, var(--cc-neutral-400));
  /* Ring so white and cream swatches stay visible on a light card. */
  box-shadow: inset 0 0 0 1px rgb(53 41 76 / 0.18);
}

/* --- Usage card ---------------------------------------------------------- */

.usage-card { margin-top: var(--cc-space-5); }

.usage-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--cc-space-3);
  margin-bottom: var(--cc-space-3);
}

.usage-card__head h3 { margin: 0; font-size: var(--cc-text-lg); }

.usage-card__count {
  font-size: var(--cc-text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--cc-text-muted);
}

.empty__hint {
  font-size: var(--cc-text-sm);
  color: var(--cc-text-subtle);
}