/* ============================================================
   Kawaii Shop — Shared Components
   Atomic UI used everywhere: storefront, account, admin
   (Kawaii Ops), login page, email skin.
   Depends on tokens.css.
   ============================================================ */

/* ---- Reset / base ---- */
*,*::before,*::after { box-sizing: border-box; }
img { max-width: 100%; display: block; }
::selection { background: var(--pink); color: white; }

/* ---- Container ---- */
.container {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .85em 1.8em;
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .98rem;
  letter-spacing: .01em;
  line-height: 1;
  cursor: pointer;
  transition: transform 180ms var(--ease-bounce), box-shadow 180ms;
  text-decoration: none;
  position: relative;
}
.btn-primary {
  background: linear-gradient(180deg, var(--pink) 0%, var(--pink-deep) 100%);
  color: white;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover  { transform: translateY(-2px); box-shadow: 0 7px 0 var(--pink-bright); color:#fff; }
.btn-primary:active { transform: translateY(3px);  box-shadow: 0 2px 0 var(--pink-bright); }

.btn-secondary {
  background: linear-gradient(180deg, var(--lavender) 0%, var(--lavender-deep) 100%);
  color: white;
  box-shadow: 0 5px 0 #8A6DD6;
}
.btn-secondary:hover  { transform: translateY(-2px); box-shadow: 0 7px 0 #8A6DD6; color:#fff; }
.btn-secondary:active { transform: translateY(3px); box-shadow: 0 2px 0 #8A6DD6; }

.btn-outline {
  background: white;
  color: var(--color-ink);
  border: 2.5px solid var(--color-ink);
  box-shadow: 0 5px 0 var(--color-ink);
}
.btn-outline:hover  { transform: translateY(-2px); box-shadow: 0 7px 0 var(--color-ink); }
.btn-outline:active { transform: translateY(3px);  box-shadow: 0 2px 0 var(--color-ink); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  box-shadow: none;
}
.btn-ghost:hover { background: var(--color-line); color: var(--color-ink); }

.btn-danger {
  background: linear-gradient(180deg, #FF8FA8 0%, var(--color-danger) 100%);
  color: white;
  box-shadow: 0 5px 0 #C9536D;
}

.btn-block { width: 100%; }
.btn-sm    { padding: .6em 1.2em; font-size: .88rem; }
.btn-lg    { padding: 1.1em 2.2em; font-size: 1.05rem; }

/* ---- Forms ---- */
.field { margin-bottom: 1.25rem; }
.field label {
  display: block;
  font-family: var(--font-display);
  font-size: .92rem;
  font-weight: 600;
  margin-bottom: .5rem;
  color: var(--color-ink);
}
.field .hint { font-size: .8rem; color: var(--color-muted); margin-top: .25rem; font-weight: 500; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="date"],
.field input[type="password"],
.field input[type="search"],
.field input[type="url"],
.field select,
.field textarea {
  width: 100%;
  padding: .85rem 1.1rem;
  border: 2px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  font-family: inherit;
  font-size: .98rem;
  font-weight: 500;
  color: var(--color-ink);
  transition: all var(--t-fast);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--pink-deep);
  box-shadow: 0 0 0 4px var(--pink-soft);
}
.field textarea { min-height: 120px; resize: vertical; }
.field.required label::after { content: " ♥"; color: var(--pink-deep); }
.field .error {
  color: var(--color-danger);
  font-size: .85rem;
  margin-top: .25rem;
  display: none;
  font-weight: 500;
}
.field.invalid .error { display: block; }
.field.invalid input,
.field.invalid select,
.field.invalid textarea { border-color: var(--color-danger); background: #FFF5F7; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

.form-card {
  background: white;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}

.radio-group, .check-group { display: flex; gap: .6rem; flex-wrap: wrap; }
.radio-group label,
.check-group label {
  display: flex; align-items: center; gap: .5rem;
  padding: .65rem 1.1rem;
  background: white;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .9rem;
  cursor: pointer;
  transition: all var(--t-fast);
}
.radio-group input, .check-group input { margin: 0; accent-color: var(--pink-deep); }
.radio-group label:has(input:checked),
.check-group label:has(input:checked) {
  border-color: var(--pink-deep);
  background: var(--pink-soft);
  color: var(--pink-bright);
}

.consent label {
  display: flex; gap: .7rem; align-items: flex-start;
  font-size: .9rem;
  color: var(--color-ink-soft);
  cursor: pointer;
  font-weight: 500;
}
.consent a { text-decoration: underline; }

/* ---- Select pill (filter sort etc.) ---- */
.select {
  padding: .6rem 1rem;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: white;
  font-family: inherit;
  font-weight: 500;
  font-size: .9rem;
  color: var(--color-ink);
  transition: border-color var(--t-fast);
}
.select:focus { outline: none; border-color: var(--pink-deep); }

/* ---- Quantity stepper ---- */
.qty {
  display: inline-flex; align-items: center;
  border: 2px solid var(--color-line);
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: white;
}
.qty button {
  width: 42px; height: 42px;
  border: none; background: transparent;
  font-size: 1.2rem;
  color: var(--pink-deep);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--t-fast);
}
.qty button:hover { background: var(--pink-soft); }
.qty input {
  width: 48px; height: 42px;
  border: none; text-align: center;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  background: transparent;
  color: var(--color-ink);
}
.qty input::-webkit-outer-spin-button,
.qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: .35em .85em;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: var(--color-ink);
  color: white;
  box-shadow: var(--shadow-sm);
}
.badge--sale   { background: linear-gradient(180deg, var(--pink) 0%, var(--pink-deep) 100%); }
.badge--new    { background: linear-gradient(180deg, var(--mint) 0%, var(--mint-deep) 100%); }
.badge--usado  { background: linear-gradient(180deg, var(--lavender) 0%, var(--lavender-deep) 100%); }
.badge--unique { background: linear-gradient(180deg, var(--butter) 0%, var(--butter-deep) 100%); color: var(--color-ink); }
.badge--sold   { background: var(--color-muted); }
.badge--success{ background: linear-gradient(180deg, var(--mint) 0%, var(--mint-deep) 100%); }
.badge--warning{ background: linear-gradient(180deg, var(--butter) 0%, var(--butter-deep) 100%); color: var(--color-ink); }
.badge--info   { background: linear-gradient(180deg, var(--sky) 0%, var(--sky-deep) 100%); }
.badge--neutral{ background: var(--color-line); color: var(--color-ink); }

/* ---- Alerts ---- */
.alert {
  padding: 1rem 1.3rem;
  border: 2px solid var(--color-line);
  border-radius: var(--radius);
  background: white;
  font-weight: 500;
  font-size: .95rem;
  color: var(--color-ink-soft);
}
.alert--success {
  background: linear-gradient(135deg, var(--mint-soft), var(--sky-soft));
  border-color: var(--mint);
  color: var(--mint-deep);
}
.alert--warning {
  background: linear-gradient(135deg, var(--butter-soft), var(--peach-soft));
  border-color: var(--butter-deep);
  color: var(--color-ink);
}
.alert--danger {
  background: #FFF5F7;
  border-color: var(--color-danger);
  color: var(--color-danger);
}
.alert--info {
  background: linear-gradient(135deg, var(--sky-soft), var(--lavender-soft));
  border-color: var(--sky);
  color: var(--color-ink);
}
.alert strong { display: block; font-family: var(--font-display); margin-bottom: .25rem; color: var(--color-ink); }

/* ---- Cards (generic) ---- */
.card {
  background: white;
  border: 2px solid var(--color-line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.card:hover { border-color: var(--pink); }
.card--soft { background: linear-gradient(180deg, white 0%, var(--pink-soft) 100%); }
.card--accent { border-color: var(--lavender); }

/* ---- Tables ---- */
.k-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--color-line);
}
.k-table th, .k-table td {
  padding: .9rem 1rem;
  text-align: left;
  font-size: .92rem;
}
.k-table th {
  background: var(--pink-soft);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink);
  text-transform: uppercase;
  font-size: .75rem;
  letter-spacing: .08em;
  border-bottom: 2px solid var(--color-line);
}
.k-table tbody tr + tr td { border-top: 1px dashed var(--color-line); }
.k-table tbody tr:hover { background: var(--pink-soft); }
.k-table td.num, .k-table th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: .25rem; border-bottom: 2px solid var(--color-line); margin-bottom: 1.5rem; flex-wrap: wrap; }
.tabs a, .tabs button {
  padding: .7rem 1.2rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-ink-soft);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  text-decoration: none;
  margin-bottom: -2px;
  transition: all var(--t-fast);
}
.tabs a:hover, .tabs button:hover { color: var(--pink-deep); }
.tabs a.is-active, .tabs button.is-active {
  color: var(--pink-deep);
  border-bottom-color: var(--pink-deep);
}

/* ---- Pagination ---- */
.pagination { display: flex; gap: .4rem; justify-content: center; margin: 2rem 0; flex-wrap: wrap; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 .8rem;
  border-radius: var(--radius-pill);
  background: white;
  border: 2px solid var(--color-line);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9rem;
  color: var(--color-ink);
  text-decoration: none;
  transition: all var(--t-fast);
}
.pagination a:hover { border-color: var(--pink); color: var(--pink-deep); }
.pagination .current { background: linear-gradient(180deg, var(--pink) 0%, var(--pink-deep) 100%); color: white; border-color: transparent; }

/* ---- Toast ---- */
.toast {
  position: fixed;
  top: 1.2rem; right: 1.2rem;
  z-index: var(--z-toast);
  background: linear-gradient(180deg, var(--pink) 0%, var(--pink-deep) 100%);
  color: white;
  padding: 1rem 1.4rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  transform: translateY(-110%);
  opacity: 0;
  transition: transform var(--t), opacity var(--t);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast::before { content: "✨ "; }

/* ---- Modal ---- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(74,63,94,.45);
  display: grid; place-items: center;
  z-index: var(--z-modal);
  padding: 1rem;
}
.modal-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

/* ---- Empty / loading / error states ---- */
.state-empty, .state-loading, .state-error {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: white;
  border: 2px dashed var(--lavender);
  border-radius: var(--radius-lg);
  color: var(--color-ink-soft);
}
.state-empty h3 { color: var(--color-ink); margin-top: 1rem; }
.state-loading { border-color: var(--pink); border-style: dashed; }
.state-error { border-color: var(--color-danger); color: var(--color-danger); }

/* ---- Skip link (a11y) ---- */
.skip-link {
  position: absolute; left: -9999px;
  background: var(--pink-deep); color: white;
  padding: .75rem 1rem; border-radius: var(--radius-pill);
  font-family: var(--font-display); font-weight: 600; z-index: 9999;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* ---- Animations (shared) ---- */
@keyframes twinkle {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: .9; }
  50%      { transform: scale(1.3) rotate(20deg); opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-3deg); }
  75%      { transform: rotate(3deg); }
}
@keyframes bounce-in {
  0%   { transform: scale(0.6); opacity: 0; }
  60%  { transform: scale(1.08); opacity: 1; }
  100% { transform: scale(1); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}