/* ==========================================================================
   Modern UI system — layered on top of the existing Bootstrap 4 setup.
   Built on the theme CSS variables (--primary-color, --button-color, etc.)
   that base.html already injects from Store Settings, so admin color
   changes keep applying everywhere automatically.
   ========================================================================== */

:root {
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(15, 15, 15, 0.06), 0 1px 2px rgba(15, 15, 15, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 15, 15, 0.08), 0 2px 6px rgba(15, 15, 15, 0.05);
  --shadow-lg: 0 12px 32px rgba(15, 15, 15, 0.12), 0 4px 12px rgba(15, 15, 15, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --surface: #ffffff;
  --surface-muted: #f6f7f9;
  --border-subtle: #e9eaee;
  --text-heading: #14161a;
  --text-body: #4b4f58;
  --text-muted: #8a8f98;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "Open Sans", Roboto, Helvetica, Arial, sans-serif !important;
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  letter-spacing: -0.01em;
}

a {
  transition: color 0.15s var(--ease);
}

/* ---------- Buttons ---------- */
.btn, button, main button, .btn-primary, .btn-dark,
.add-to-cart-btn, .btn-save, .btn-sm-dark {
  border-radius: var(--radius-sm) !important;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 0.12s var(--ease), box-shadow 0.15s var(--ease), background-color 0.15s var(--ease), opacity 0.15s var(--ease);
  border: none;
}

.btn:hover, button:hover, .btn-primary:hover, .btn-dark:hover,
.add-to-cart-btn:hover, .btn-save:hover, .btn-sm-dark:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  filter: brightness(1.06);
}

.btn:active, button:active {
  transform: translateY(0);
}

.btn:focus-visible, button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-color, #ff9f1a);
  outline-offset: 2px;
}

/* ---------- Cards & surfaces ---------- */
.card, .settings-card, .banner-card, .add-banner-card,
.item-card, .container-narrow {
  border-radius: var(--radius-md) !important;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
  border: 1px solid var(--border-subtle);
}

.card:hover, .item-card:hover, .banner-card:hover {
  box-shadow: var(--shadow-md);
}

/* ---------- Forms ---------- */
.form-control, input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="file"], select, textarea {
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--border-subtle) !important;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.form-control:focus, input:focus, select:focus, textarea:focus {
  border-color: var(--accent-color, #ff9f1a) !important;
  box-shadow: 0 0 0 3px rgba(255, 159, 26, 0.15) !important;
}

.field-error {
  color: #d64545;
  font-size: 0.82rem;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.field-valid {
  border-color: #2e9e5b !important;
}

/* ---------- Tables ---------- */
table th {
  font-weight: 700;
  letter-spacing: 0.02em;
}

table tr {
  transition: background-color 0.12s var(--ease);
}

/* ---------- Badges / pills ---------- */
.pill, .option-pill {
  border-radius: 999px !important;
  transition: all 0.15s var(--ease);
}

.option-pill:has(input:checked) {
  border-color: var(--accent-color, #ff9f1a) !important;
  background: rgba(255, 159, 26, 0.08);
  font-weight: 600;
}

/* ---------- Loading skeletons ---------- */
.skeleton {
  background: linear-gradient(90deg, #eceef1 25%, #f6f7f9 37%, #eceef1 63%);
  background-size: 400% 100%;
  animation: skeleton-loading 1.4s ease infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

.skeleton-card {
  height: 260px;
  border-radius: var(--radius-md);
}

.skeleton-line {
  height: 14px;
  margin-bottom: 8px;
}

/* ---------- Empty states ---------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 2.6rem;
  margin-bottom: 14px;
  opacity: 0.5;
}

.empty-state h4 {
  color: var(--text-heading);
  margin-bottom: 6px;
}

/* ---------- Fade-in for content sections ---------- */
.fade-in-up {
  animation: fadeInUp 0.45s var(--ease) both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Navbar polish ---------- */
.navbar {
  backdrop-filter: saturate(180%) blur(8px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.navbar-brand img {
  transition: transform 0.2s var(--ease);
}

.navbar-brand:hover img {
  transform: scale(1.04);
}

.nav-link {
  border-radius: var(--radius-sm);
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}

/* ---------- Alerts ---------- */
.alert {
  border-radius: var(--radius-sm) !important;
  border: none !important;
  box-shadow: var(--shadow-sm);
}

/* ---------- Accessibility: visible focus for keyboard users on cards/links ---------- */
.item-card:focus-within, .category-card:focus-within {
  outline: 2px solid var(--accent-color, #ff9f1a);
  outline-offset: 2px;
}

/* ---------- Responsive spacing tightening on small screens ---------- */
@media (max-width: 576px) {
  .container { padding-left: 12px; padding-right: 12px; }
}

/* ==========================================================================
   Premium components (hero, section headers, modern product cards)
   ========================================================================== */

.section-heading {
  text-align: center;
  margin: 64px 0 36px;
}

.section-heading .eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-color, #ff9f1a);
  margin-bottom: 10px;
}

.section-heading h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 0;
  font-weight: 800;
}

.section-heading p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 10px auto 0;
}

/* Modern product card */
.product-card-modern {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  cursor: pointer;
  position: relative;
}

.product-card-modern:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card-modern .pc-image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--surface-muted);
}

.product-card-modern .pc-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}

.product-card-modern:hover .pc-image-wrap img {
  transform: scale(1.07);
}

.product-card-modern .pc-body {
  padding: 16px 18px 20px;
}

.product-card-modern .pc-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.product-card-modern .pc-title {
  font-weight: 700;
  color: var(--text-heading);
  font-size: 0.98rem;
  margin-bottom: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-modern .pc-price {
  font-weight: 800;
  color: var(--accent-color, #ff9f1a);
  font-size: 1.05rem;
}

/* Modern category tile */
.category-tile-modern {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 220px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.category-tile-modern:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.category-tile-modern::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 30%, rgba(0,0,0,0.75) 100%);
}

.category-tile-modern .ct-label {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 2;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.category-tile-modern .ct-count {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,255,255,0.22);
  backdrop-filter: blur(6px);
  padding: 3px 10px;
  border-radius: 999px;
}

/* Hero */
.hero-modern {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}

.hero-modern .hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-modern .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-modern .hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.62) 0%, rgba(0,0,0,0.25) 55%, rgba(0,0,0,0.05) 100%);
  z-index: 1;
}

.hero-modern .hero-content {
  position: relative;
  z-index: 2;
  padding: 56px;
  max-width: 560px;
  color: #fff;
}

.hero-modern .hero-content h1 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
}

.hero-modern .hero-content p {
  color: rgba(255,255,255,0.85);
  font-size: 1.05rem;
  margin: 14px 0 26px;
}

@media (max-width: 767px) {
  .hero-modern { min-height: 320px; }
  .hero-modern .hero-content { padding: 28px; }
}