/* ============================================================
   components.css — Buttons, Cards, Forms, Badges, Modals
   Guangzhou Shimu Electronics Co., Ltd
   ============================================================ */

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .7rem 1.5rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-cond);
  font-size: .95rem;
  font-weight: 900;
  letter-spacing: .05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition), opacity var(--transition);
  white-space: nowrap;
  user-select: none;
}
.btn:disabled { opacity: .55; cursor: not-allowed; pointer-events: none; }
.btn:active   { transform: scale(.98); }

.btn-primary {
  background: var(--gray-900);
  color: var(--white);
}
.btn-primary:hover { background: var(--red); }

.btn-red {
  background: var(--red);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(212,43,43,.3);
}
.btn-red:hover { background: var(--red-dark); box-shadow: 0 6px 22px rgba(212,43,43,.4); }

.btn-outline {
  background: transparent;
  color: var(--gray-700);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--red); color: var(--red); }

.btn-ghost {
  background: transparent;
  color: var(--gray-500);
  border: 1.5px solid var(--border);
  font-family: var(--font-sans);
  font-size: .825rem;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;
}
.btn-ghost:hover { border-color: var(--red); color: var(--red); }

.btn-white {
  background: var(--white);
  color: var(--red);
}
.btn-white:hover { background: var(--gray-100); }

.btn-sm { padding: .45rem 1rem; font-size: .8rem; }
.btn-lg { padding: .95rem 2.25rem; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ── Form elements ────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1.125rem;
}
.form-label {
  font-size: .8rem;
  font-weight: 700;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: .3rem;
}
.form-label .req { color: var(--red); font-size: .9em; }

.form-control {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--white);
  border: 1.5px solid #e5e5e5;
  border-radius: var(--radius-md);
  font-size: .9rem;
  color: var(--gray-700);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(212,43,43,.08);
}
.form-control::placeholder { color: var(--gray-300); }
.form-control:disabled    { background: var(--gray-50); opacity: .7; cursor: not-allowed; }

textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control   { cursor: pointer; }

.form-hint  { font-size: .75rem; color: var(--gray-300); }
.form-error { font-size: .75rem; color: var(--red); font-weight: 600; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  cursor: pointer;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: var(--red);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check-label {
  font-size: .875rem;
  color: var(--gray-700);
  line-height: 1.5;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.card-title {
  font-family: var(--font-cond);
  font-size: 1.05rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--gray-900);
}
.card-body    { padding: 1.5rem; }
.card-footer  {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--gray-50);
}

/* ── Badge ────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .65rem;
  border-radius: 99px;
  font-size: .67rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge-red     { background: var(--red-light);   color: var(--red);      border: 1px solid var(--red-border); }
.badge-green   { background: #f0fdf4;             color: #16a34a;          border: 1px solid #bbf7d0; }
.badge-blue    { background: #eff6ff;             color: #2563eb;          border: 1px solid #bfdbfe; }
.badge-yellow  { background: #fffbeb;             color: #d97706;          border: 1px solid #fde68a; }
.badge-gray    { background: var(--gray-50);      color: var(--gray-500);  border: 1px solid var(--border); }
.badge-dark    { background: var(--gray-900);     color: var(--white); }
.badge-purple  { background: #f5f3ff;             color: #7c3aed;          border: 1px solid #ddd6fe; }

/* ── Product card ─────────────────────────────────────────── */
.prod-card {
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: box-shadow var(--transition), border-color var(--transition),
              transform .3s cubic-bezier(.34,1.56,.64,1);
}
.prod-card:hover {
  box-shadow: 0 10px 36px rgba(0,0,0,.08);
  border-color: #e0e0e0;
  transform: translateY(-4px);
}
.prod-img {
  aspect-ratio: 1;
  background: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #f0f0f0;
}
.prod-img img {
  width: 85%;
  height: 85%;
  object-fit: contain;
  transition: transform .4s ease;
}
.prod-card:hover .prod-img img { transform: scale(1.06); }
.prod-emoji {
  font-size: 4.5rem;
  transition: transform .4s ease;
}
.prod-card:hover .prod-emoji { transform: scale(1.08); }

.prod-badges {
  position: absolute;
  top: .75rem;
  left: .75rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.bdg-sale { background: var(--red);   color: var(--white); }
.bdg-new  { background: var(--gray-900); color: var(--white); }
.bdg-hot  { background: #ea580c;      color: var(--white); }
.bdg-sale, .bdg-new, .bdg-hot {
  font-size: 10px;
  font-weight: 900;
  padding: 2px 8px;
  border-radius: 99px;
  letter-spacing: .04em;
  display: inline-block;
}

.prod-wish {
  position: absolute;
  top: .75rem;
  right: .75rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(4px);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  color: var(--gray-300);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.prod-wish:hover, .prod-wish.active {
  background: var(--red-light);
  color: var(--red);
  border-color: var(--red-border);
}

.prod-body { padding: 1rem 1.125rem 1.25rem; }
.prod-cat  {
  font-size: .67rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: .35rem;
}
.prod-name {
  font-family: var(--font-cond);
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -.01em;
  color: var(--gray-900);
  line-height: 1.1;
  text-decoration: none;
  display: block;
  margin-bottom: .4rem;
  transition: color var(--transition);
}
.prod-name:hover { color: var(--red); }

.prod-specs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: .875rem;
}
.prod-spec {
  font-family: var(--font-mono);
  font-size: .67rem;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: .15rem .5rem;
  border-radius: 4px;
}

.prod-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.prod-price {
  font-family: var(--font-cond);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1;
}
.prod-price-orig {
  font-size: .78rem;
  color: var(--gray-300);
  text-decoration: line-through;
  display: block;
  margin-bottom: 1px;
}
.prod-atc {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gray-900);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform .2s cubic-bezier(.34,1.56,.64,1);
}
.prod-atc:hover { background: var(--red); transform: scale(1.08); }
.prod-oos {
  font-size: .72rem;
  font-weight: 700;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  align-items: center;
  justify-content: center;
  margin-top: 2.5rem;
}
.page-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding-inline: .625rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .825rem;
  font-weight: 700;
  color: var(--gray-500);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.page-link:hover      { border-color: var(--red); color: var(--red); }
.page-link.active     { background: var(--red); border-color: var(--red); color: var(--white); }
.page-link.disabled   { opacity: .4; pointer-events: none; }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s, visibility .25s;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: 0 32px 80px rgba(0,0,0,.25);
  width: min(560px, 95vw);
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(.96);
  transition: transform .25s ease;
}
.modal-overlay.open .modal { transform: scale(1); }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.375rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: var(--font-cond);
  font-size: 1.1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-100);
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  font-size: .9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--red-light); color: var(--red); }
.modal-body   { padding: 1.5rem; }
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: .75rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}