/* ==========================================================================
   Design tokens — Krishna blue & white. The site is intentionally light-only
   (no prefers-color-scheme: dark override) so it always shows the brand colours.
   ========================================================================== */
:root {
  color-scheme: light;
  --ground: #ffffff;
  --surface: #f3f7fd;
  --surface-raised: #ffffff;
  --ink: #10254a;
  --ink-soft: #45597a;
  --ink-faint: #5f7294;
  --accent: #1f5bb8;            /* Krishna blue */
  --accent-rgb: 31, 91, 184;
  --accent-ink: #ffffff;
  --accent-soft: #e7f0fc;
  --accent-hover: #17479a;
  --brand: #173f86;             /* deep Krishna blue: header, footer, admin sidebar */
  --brand-ink: #ffffff;
  --brand-ink-soft: rgba(255, 255, 255, 0.8);
  --warm: #b7862a;
  --warm-soft: #fbf2dc;
  --good: #2e7d5b;
  --good-soft: #e3f3ec;
  --warn: #b7862a;
  --critical: #c0392b;
  --critical-soft: #fbe7e4;
  --line: #d5e1f2;
  --line-soft: #e6eef9;
  --shadow-s: 0 1px 2px rgba(16, 37, 74, 0.06);
  --shadow-m: 0 8px 24px -12px rgba(16, 37, 74, 0.2);
  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-body: Optima, Candara, "Noto Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ==========================================================================
   Base
   ========================================================================== */
body {
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--ink);
}
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
small, .text-muted { color: var(--ink-faint) !important; }
code { color: var(--critical); background: var(--critical-soft); padding: 0.1rem 0.4rem; border-radius: 4px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ==========================================================================
   Navbar / footer
   ========================================================================== */
.navbar {
  background: var(--brand) !important;
  border-bottom: none !important;
}
.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--brand-ink) !important;
}
.navbar .nav-link,
.navbar .btn-link {
  color: var(--brand-ink-soft) !important;
}
.navbar .nav-link:hover,
.navbar .btn-link:hover,
.navbar .nav-link.show {
  color: var(--brand-ink) !important;
}
.navbar .navbar-toggler { border-color: rgba(255, 255, 255, 0.4); }
/* Header text is 2pt larger than the defaults (brand 1.35rem, links/buttons
   1rem / .875rem). On hover a link zooms up slightly; transform is used
   instead of font-size so neighbouring links don't shift. */
.navbar-brand { font-size: calc(1.35rem + 2pt); }
.navbar .nav-link,
.navbar .btn-link { font-size: calc(1rem + 2pt); }
.navbar .btn-sm { font-size: calc(0.875rem + 2pt); }
.navbar .navbar-brand,
.navbar .nav-link,
.navbar .btn-link {
  display: inline-block;
  transition: transform 0.15s ease, color 0.15s ease;
}
.navbar .navbar-brand:hover,
.navbar .nav-link:hover,
.navbar .btn-link:hover {
  transform: scale(1.1);
}
@media (prefers-reduced-motion: reduce) {
  .navbar .navbar-brand,
  .navbar .nav-link,
  .navbar .btn-link { transition: none; }
}
/* Buttons sitting on the blue bar: white fill / white outline. */
.navbar .btn-primary {
  background: var(--brand-ink) !important;
  border-color: var(--brand-ink) !important;
  color: var(--brand) !important;
}
.navbar .btn-primary:hover { background: var(--accent-soft) !important; box-shadow: none; }
.navbar .btn-outline-secondary {
  color: var(--brand-ink) !important;
  border-color: rgba(255, 255, 255, 0.6) !important;
}
.navbar .btn-outline-secondary:hover {
  background: rgba(255, 255, 255, 0.12) !important;
  color: var(--brand-ink) !important;
}
.campaign-bar {
  background: var(--accent-soft);
  color: var(--brand);
  border: none;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
footer {
  background: var(--brand);
  border-top: none !important;
  color: var(--brand-ink-soft) !important;
}
footer small { color: var(--brand-ink-soft) !important; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
  .btn:hover { transform: none; }
}
.btn-primary, .btn-success {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: var(--accent-ink) !important;
}
.btn-primary:hover, .btn-success:hover {
  background: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
  box-shadow: 0 6px 16px -6px rgba(var(--accent-rgb), 0.5);
}
.btn-outline-secondary {
  color: var(--ink) !important;
  border-color: var(--line) !important;
  background: transparent !important;
}
.btn-outline-secondary:hover {
  border-color: var(--ink-soft) !important;
  background: var(--surface) !important;
  color: var(--ink) !important;
}
.btn-outline-primary {
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  background: transparent !important;
}
.btn-outline-primary:hover {
  background: var(--accent-soft) !important;
  color: var(--accent-hover) !important;
}
.btn-outline-warning {
  color: var(--warm) !important;
  border-color: var(--warm) !important;
  background: transparent !important;
}
.btn-outline-warning:hover {
  background: var(--warm-soft) !important;
  border-color: var(--warm) !important;
  color: var(--ink) !important;
}
.btn-outline-danger {
  color: var(--critical) !important;
  border-color: var(--critical) !important;
  background: transparent !important;
}
.btn-outline-danger:hover {
  background: var(--critical-soft) !important;
  color: var(--critical) !important;
}
.btn-link { color: var(--accent) !important; }

/* ==========================================================================
   Cards, tables, forms
   ========================================================================== */
.card {
  background: var(--surface-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
}
.table { color: var(--ink); }
.table > :not(caption) > * > * { border-bottom-color: var(--line-soft); }
.table-hover > tbody > tr:hover > * { background: var(--surface); }
.list-group-item { background: var(--surface-raised); border-color: var(--line-soft); }

.form-control, .form-select {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  color: var(--ink);
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}
.form-check-input:checked {
  background-color: var(--accent);
  border-color: var(--accent);
}

/* ==========================================================================
   Badges / pills / alerts
   ========================================================================== */
.badge.bg-success { background: var(--good-soft) !important; color: var(--good) !important; }
.badge.bg-secondary { background: var(--surface) !important; color: var(--ink-soft) !important; }
.badge.bg-warning { background: var(--warm-soft) !important; color: var(--warm) !important; }
.badge.bg-danger { background: var(--critical-soft) !important; color: var(--critical) !important; }
.badge.bg-primary { background: var(--accent-soft) !important; color: var(--accent) !important; }

.alert { border-radius: var(--radius-m); border: 1px solid transparent; }
.alert-warning { background: var(--warm-soft); color: var(--ink); border-color: var(--warm); }
.alert-success { background: var(--good-soft); color: var(--ink); border-color: var(--good); }
.alert-danger { background: var(--critical-soft); color: var(--ink); border-color: var(--critical); }
.alert-info { background: var(--accent-soft); color: var(--ink); border-color: var(--accent); }

.nav-pills .nav-link { color: var(--ink-soft); border-radius: 999px; }
.nav-pills .nav-link.active { background: var(--accent) !important; color: var(--accent-ink) !important; }

.dropdown-menu { border-color: var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-m); }
.dropdown-item:hover { background: var(--surface); color: var(--ink); }

/* ==========================================================================
   Product cards
   ========================================================================== */
.product-card {
  border: 1px solid var(--line-soft) !important;
  border-radius: var(--radius-m) !important;
  box-shadow: var(--shadow-s);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
  overflow: hidden;
}
.product-card:hover {
  box-shadow: var(--shadow-m);
  transform: translateY(-2px);
}
@media (prefers-reduced-motion: reduce) {
  .product-card { transition: none; }
  .product-card:hover { transform: none; }
}
.product-card img {
  height: 200px;
  object-fit: cover;
  width: 100%;
}
.product-card .card-body { background: var(--surface-raised); }
.product-card > a { text-decoration: none; }
.product-card .card-title a { color: var(--ink) !important; font-family: var(--font-display); }

.price-original {
  text-decoration: line-through;
  color: var(--ink-faint);
  margin-right: 0.5rem;
}
.price-discounted {
  color: var(--critical);
  font-weight: 700;
}

.quick-add {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.product-card:hover .quick-add,
.product-card:focus-within .quick-add {
  opacity: 1;
  transform: translateY(0);
}
@media (hover: none) {
  .quick-add { opacity: 1; transform: none; }
}

/* ==========================================================================
   Quantity stepper
   ========================================================================== */
.qty-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.qty-stepper button {
  background: var(--surface);
  border: none;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1rem;
  color: var(--ink);
  cursor: pointer;
}
.qty-stepper button:hover { background: var(--surface-raised); }
.qty-stepper input {
  width: 3rem;
  text-align: center;
  border: none;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  height: 2.2rem;
  background: var(--surface-raised);
  color: var(--ink);
  -moz-appearance: textfield;
}
.qty-stepper input::-webkit-outer-spin-button,
.qty-stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* ==========================================================================
   Checkout / order summary
   ========================================================================== */
.summary-card { position: sticky; top: 1rem; }
.coupon-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-s);
  font-size: 0.85rem;
  font-weight: 600;
}
.coupon-chip button { background: none; border: none; color: inherit; cursor: pointer; font-size: 0.95rem; }
.reassure { font-size: 0.78rem; color: var(--ink-faint); }
.checkout-steps { font-size: 0.82rem; color: var(--ink-faint); }
.checkout-steps .active { color: var(--ink); font-weight: 700; }
.checkout-steps .n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 1.4rem; height: 1.4rem; border-radius: 50%;
  background: var(--line-soft); font-size: 0.72rem; margin-right: 0.35rem;
}
.checkout-steps .active .n { background: var(--accent); color: var(--accent-ink); }

/* ==========================================================================
   Admin console
   ========================================================================== */
.admin-sidebar {
  background: var(--brand) !important;
  color: var(--brand-ink) !important;
  border-right: none;
}
.admin-sidebar h5 { color: var(--brand-ink); }
.admin-sidebar .nav-link {
  color: var(--brand-ink-soft) !important;
  border-radius: var(--radius-s);
  margin-bottom: 0.15rem;
}
.admin-sidebar .nav-link:hover { background: rgba(255, 255, 255, 0.12) !important; color: var(--brand-ink) !important; }
.admin-sidebar .nav-link.active {
  background: var(--brand-ink) !important;
  color: var(--brand) !important;
  font-weight: 600;
}
.admin-sidebar .back-link { color: var(--brand-ink-soft) !important; }

.stat-card {
  background: var(--surface-raised);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
}
.stat-card .stat-icon { font-size: 1.1rem; margin-bottom: 0.35rem; }
.stat-card .fs-3 { font-family: var(--font-display); color: var(--ink); }

.stripe-low td:first-child { box-shadow: inset 3px 0 0 var(--critical); }
.stripe-warn td:first-child { box-shadow: inset 3px 0 0 var(--warm); }

/* ==========================================================================
   Homepage hero banner — displays any uploaded image at a consistent,
   standard hero size regardless of its native dimensions.
   ========================================================================== */
.hero-banner {
  width: 100%;
  height: 340px;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}
@media (max-width: 768px) {
  .hero-banner { height: 220px; }
}

/* Size picker on the product page */
.size-option {
    min-width: 3rem;
    color: var(--ink);
    background: var(--surface-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
}
.size-option:hover {
    color: var(--ink);
    border-color: var(--accent);
}
.btn-check:checked + .size-option {
    color: var(--accent-ink);
    background: var(--accent);
    border-color: var(--accent);
}
.btn-check:focus-visible + .size-option {
    box-shadow: 0 0 0 0.2rem rgba(var(--accent-rgb), 0.35);
}
.btn-check:disabled + .size-option {
    text-decoration: line-through;
    opacity: 0.45;
}

/* Login captcha (shown after repeated failed attempts) */
img.captcha {
    display: block;
    margin: 0.25rem 0 0.5rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-s);
}