/* ============================================================
   PrecastPro Industries — Main Stylesheet
   Industrial · Modern · Trustworthy
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Barlow+Condensed:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ---- CSS Variables ----------------------------------------- */
:root {
  --color-primary:     #1a4b8c;
  --color-primary-dark:#0d2f5e;
  --color-primary-light:#2563b0;
  --color-accent:      #e85d04;
  --color-accent-dark: #c44d00;
  --color-steel:       #4a5568;
  --color-steel-light: #718096;
  --color-concrete:    #a0aec0;
  --color-surface:     #f7f8fa;
  --color-surface-2:   #eef0f4;
  --color-border:      #dde1e8;
  --color-text:        #1a2332;
  --color-text-muted:  #6b7280;
  --color-white:       #ffffff;
  --color-success:     #22863a;
  --color-warning:     #d4760d;
  --color-danger:      #c0392b;
  --color-info:        #1a6fa8;

  --font-display:  'Barlow Condensed', sans-serif;
  --font-body:     'Barlow', sans-serif;
  --font-ui:       'Inter', sans-serif;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.14), 0 4px 12px rgba(0,0,0,.08);
  --shadow-xl:  0 24px 64px rgba(0,0,0,.18);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  20px;

  --transition: all .2s cubic-bezier(.4,0,.2,1);
  --transition-slow: all .4s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset & Base ------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

/* ---- Layout ------------------------------------------------- */
.container     { max-width: 1220px; margin: 0 auto; padding: 0 1.25rem; }
.container-sm  { max-width: 860px;  margin: 0 auto; padding: 0 1.25rem; }
.container-lg  { max-width: 1440px; margin: 0 auto; padding: 0 1.5rem; }

.section       { padding: 5rem 0; }
.section-sm    { padding: 3rem 0; }
.section-lg    { padding: 7rem 0; }

/* ---- Typography -------------------------------------------- */
.heading-display {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.heading-xl   { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 700; }
.heading-lg   { font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 700; }
.heading-md   { font-size: 1.4rem; font-weight: 600; }
.heading-sm   { font-size: 1.1rem; font-weight: 600; }

.text-muted   { color: var(--color-text-muted); }
.text-accent  { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-small   { font-size: .875rem; }
.text-xs      { font-size: .775rem; }
.font-ui      { font-family: var(--font-ui); }

.section-label {
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .75rem;
}
.section-label::before {
  content: '';
  width: 20px; height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

/* ---- Navigation -------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
.navbar-brand img { height: 38px; width: auto; }
.navbar-brand span em {
  color: var(--color-accent);
  font-style: normal;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
}
.navbar-nav a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .95rem;
  color: var(--color-steel);
  padding: .45rem .85rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--color-primary);
  background: rgba(26,75,140,.06);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.navbar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .4rem .6rem;
  cursor: pointer;
  color: var(--color-steel);
}

/* Topbar */
.topbar {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,.8);
  font-family: var(--font-ui);
  font-size: .8rem;
  padding: .45rem 0;
}
.topbar a { color: rgba(255,255,255,.8); }
.topbar a:hover { color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.topbar-items  { display: flex; align-items: center; gap: 1.5rem; }
.topbar-item   { display: flex; align-items: center; gap: .4rem; }

/* ---- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  line-height: 1;
  padding: .7rem 1.4rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }
.btn:disabled      { opacity: .55; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26,75,140,.35);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(232,93,4,.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline-white:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-steel);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-surface); color: var(--color-text); }

.btn-danger  { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-success { background: var(--color-success); color: #fff; border-color: var(--color-success); }
.btn-warning { background: var(--color-warning); color: #fff; border-color: var(--color-warning); }
.btn-info    { background: var(--color-info);    color: #fff; border-color: var(--color-info);    }

.btn-sm  { padding: .45rem 1rem; font-size: .82rem; }
.btn-lg  { padding: .95rem 2rem; font-size: 1.05rem; }
.btn-xl  { padding: 1.1rem 2.4rem; font-size: 1.1rem; }
.btn-icon { padding: .6rem; aspect-ratio: 1; }

/* ---- Cards -------------------------------------------------- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-hover {
  transition: var(--transition-slow);
  cursor: pointer;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26,75,140,.15);
}
.card-body { padding: 1.5rem; }
.card-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border); }
.card-footer { padding: 1.25rem 1.5rem; border-top: 1px solid var(--color-border); background: var(--color-surface); }

/* ---- Hero Section ------------------------------------------ */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--color-primary-dark);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/hero-bg.jpg') center/cover no-repeat;
  opacity: .18;
  mix-blend-mode: luminosity;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(13,47,94,.95) 40%, rgba(26,75,140,.6) 100%);
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 5rem 0;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(232,93,4,.18);
  border: 1px solid rgba(232,93,4,.4);
  border-radius: 100px;
  color: #f99a5a;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--color-accent); }
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 2rem;
  max-width: 560px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,.12);
  flex-wrap: wrap;
}
.hero-stat-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.hero-stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.65);
  margin-top: .25rem;
  font-family: var(--font-ui);
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* ---- Product Cards ------------------------------------------ */
.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-slow);
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(26,75,140,.18);
}
.product-card-image {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--color-surface-2);
  overflow: hidden;
}
.product-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.product-card:hover .product-card-image img { transform: scale(1.07); }
.product-card-badge {
  position: absolute;
  top: .75rem;
  left: .75rem;
  background: var(--color-accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: var(--radius-sm);
}
.product-card-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.product-card-category {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: .4rem;
}
.product-card-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: .5rem;
  line-height: 1.3;
}
.product-card-desc {
  font-size: .88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
}
.product-price {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
}
.product-price-old {
  font-size: .85rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  font-weight: 400;
}
.product-price-sub {
  font-size: .72rem;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
}

/* Product detail */
.product-gallery { display: grid; gap: .75rem; }
.product-gallery-main {
  aspect-ratio: 4/3;
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.product-gallery-thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.product-gallery-thumb.active,
.product-gallery-thumb:hover { border-color: var(--color-primary); }
.product-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ---- KPI / Stats Cards ------------------------------------- */
.kpi-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--kpi-color, var(--color-primary));
}
.kpi-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kpi-bg, rgba(26,75,140,.08));
  color: var(--kpi-color, var(--color-primary));
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.kpi-value {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text);
  margin-bottom: .2rem;
}
.kpi-label {
  font-size: .82rem;
  color: var(--color-text-muted);
  font-family: var(--font-ui);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.kpi-change {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .78rem;
  font-weight: 600;
  margin-top: .5rem;
}
.kpi-change.up   { color: var(--color-success); }
.kpi-change.down { color: var(--color-danger);  }

/* ---- Forms -------------------------------------------------- */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-family: var(--font-ui);
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-steel);
  margin-bottom: .45rem;
  letter-spacing: .01em;
}
.form-label span { color: var(--color-danger); margin-left: .2rem; }

.form-control {
  display: block;
  width: 100%;
  padding: .65rem 1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26,75,140,.12);
}
.form-control.is-invalid {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(192,57,43,.1);
}
.form-control::placeholder { color: var(--color-concrete); }

textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%234a5568' d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: .9rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-hint   { font-size: .8rem; color: var(--color-text-muted); margin-top: .35rem; }
.form-error  { font-size: .82rem; color: var(--color-danger); margin-top: .35rem; font-weight: 500; }

.form-check  { display: flex; align-items: center; gap: .6rem; cursor: pointer; }
.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px; height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Input group */
.input-group { display: flex; }
.input-group .form-control { border-radius: var(--radius-md) 0 0 var(--radius-md); border-right: none; }
.input-group .btn { border-radius: 0 var(--radius-md) var(--radius-md) 0; white-space: nowrap; }
.input-addon {
  display: flex;
  align-items: center;
  padding: 0 .85rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  color: var(--color-steel);
  font-size: .9rem;
}

/* ---- Tables ------------------------------------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: .88rem;
}
thead th {
  background: var(--color-surface);
  color: var(--color-steel);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--color-border); transition: var(--transition); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(26,75,140,.03); }
tbody td { padding: .85rem 1rem; vertical-align: middle; }

/* ---- Badges / Chips ---------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-ui);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 100px;
}
.badge-primary  { background: rgba(26,75,140,.1);  color: var(--color-primary);  }
.badge-success  { background: rgba(34,134,58,.1);  color: var(--color-success);  }
.badge-warning  { background: rgba(212,118,13,.1); color: var(--color-warning);  }
.badge-danger   { background: rgba(192,57,43,.1);  color: var(--color-danger);   }
.badge-info     { background: rgba(26,111,168,.1); color: var(--color-info);     }
.badge-secondary{ background: var(--color-surface-2); color: var(--color-steel); }
.badge-dot::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* ---- Alerts / Flash ---------------------------------------- */
.alert {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .9rem 1.1rem;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: .9rem;
  margin-bottom: 1rem;
}
.alert-icon { flex-shrink: 0; font-size: 1.1rem; margin-top: .05rem; }
.alert-success { background: #f0fdf4; border-color: var(--color-success); color: #166534; }
.alert-error   { background: #fff5f5; border-color: var(--color-danger);  color: #9b1c1c; }
.alert-warning { background: #fffbeb; border-color: var(--color-warning); color: #92400e; }
.alert-info    { background: #eff6ff; border-color: var(--color-info);    color: #1e3a5f; }
.alert-close   { margin-left: auto; background: none; border: none; cursor: pointer; opacity: .6; font-size: 1.1rem; padding: 0; }
.alert-close:hover { opacity: 1; }

/* ---- Pagination -------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  gap: .35rem;
  list-style: none;
  flex-wrap: wrap;
}
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 .6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  color: var(--color-steel);
  font-family: var(--font-ui);
  font-size: .85rem;
  font-weight: 500;
  transition: var(--transition);
}
.page-link:hover      { background: var(--color-surface); color: var(--color-primary); border-color: var(--color-primary); }
.page-link.active     { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.page-link.disabled   { opacity: .4; pointer-events: none; }

/* ---- Sidebar (Admin) --------------------------------------- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--color-primary-dark);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  overflow-y: auto;
  transition: transform .3s ease;
}
.admin-sidebar-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.admin-sidebar-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}
.admin-sidebar-brand span { color: var(--color-accent); }
.admin-sidebar-sub {
  font-size: .72rem;
  color: rgba(255,255,255,.75);
  font-family: var(--font-ui);
  margin-top: .15rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.admin-nav { padding: 1rem 0; flex: 1; }
.admin-nav-section {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  padding: 1rem 1.25rem .35rem;
  font-family: var(--font-ui);
}
.admin-nav-item { display: block; }
.admin-nav-link {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .65rem 1.25rem;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 500;
  color: rgba(255,255,255,.72);
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.admin-nav-link svg, .admin-nav-link i { font-size: 1.05rem; flex-shrink: 0; }
.admin-nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.admin-nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.1);
  border-left-color: var(--color-accent);
}
.admin-nav-badge {
  margin-left: auto;
  background: var(--color-accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 700;
  padding: .15rem .5rem;
  border-radius: 100px;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: #f0f2f6;
}
.admin-topbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.75rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.admin-page { padding: 2rem 1.75rem; flex: 1; }
.admin-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.admin-page-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.admin-page-breadcrumb {
  font-size: .82rem;
  color: var(--color-text-muted);
  margin-top: .2rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.admin-page-breadcrumb a { color: var(--color-primary); }

/* ---- Filter Bar -------------------------------------------- */
.filter-bar {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.filter-bar .form-control { max-width: 200px; }

/* ---- Status Timeline --------------------------------------- */
.timeline { position: relative; padding-left: 1.75rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: .55rem;
  top: .4rem;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline-item { position: relative; margin-bottom: 1.25rem; }
.timeline-dot {
  position: absolute;
  left: -1.75rem;
  top: .3rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-concrete);
  border: 2px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-border);
}
.timeline-dot.active { background: var(--color-primary); box-shadow: 0 0 0 2px rgba(26,75,140,.2); }
.timeline-dot.success{ background: var(--color-success); }
.timeline-item-label { font-weight: 600; font-size: .9rem; }
.timeline-item-time  { font-size: .78rem; color: var(--color-text-muted); font-family: var(--font-ui); }
.timeline-item-note  { font-size: .85rem; color: var(--color-steel); margin-top: .25rem; }

/* ---- Grids -------------------------------------------------- */
.grid      { display: grid; gap: 1.5rem; }
.grid-2    { grid-template-columns: repeat(2, 1fr); }
.grid-3    { grid-template-columns: repeat(3, 1fr); }
.grid-4    { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.grid-kpi  { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

/* ---- Utilities --------------------------------------------- */
.d-flex   { display: flex; }
.d-grid   { display: grid; }
.d-none   { display: none; }
.align-center   { align-items: center; }
.align-start    { align-items: flex-start; }
.align-end      { align-items: flex-end; }
.justify-between{ justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end    { justify-content: flex-end; }
.flex-wrap      { flex-wrap: wrap; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }
.flex-1 { flex: 1; }
.w-full { width: 100%; }

.mt-0  { margin-top: 0 !important; }
.mt-1  { margin-top: .5rem; }
.mt-2  { margin-top: 1rem; }
.mt-3  { margin-top: 1.5rem; }
.mt-4  { margin-top: 2rem; }
.mb-1  { margin-bottom: .5rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-3  { margin-bottom: 1.5rem; }
.mb-4  { margin-bottom: 2rem; }
.ml-auto { margin-left: auto; }

.p-0  { padding: 0 !important; }
.p-1  { padding: .5rem; }
.p-2  { padding: 1rem; }
.p-3  { padding: 1.5rem; }
.p-4  { padding: 2rem; }

.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-left    { text-align: left; }
.text-nowrap  { white-space: nowrap; }
.font-bold    { font-weight: 700; }
.font-semi    { font-weight: 600; }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger);  }
.text-warning { color: var(--color-warning); }

.divider { height: 1px; background: var(--color-border); margin: 1.5rem 0; }

.rounded    { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 100px; }

.overflow-hidden { overflow: hidden; }
.position-relative { position: relative; }

.bg-primary { background: var(--color-primary); color: #fff; }
.bg-surface { background: var(--color-surface); }
.bg-dark    { background: var(--color-primary-dark); color: #fff; }

/* ---- Footer ------------------------------------------------- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,.8);
  padding: 5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}
.footer-brand span { color: var(--color-accent); }
.footer-desc { font-size: .9rem; line-height: 1.7; color: #c8d6e8; margin-bottom: 1.5rem; }
.footer-heading {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  letter-spacing: .02em;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: .6rem; }
.footer-links a {
  font-size: .9rem;
  color: #c8d6e8 !important;   /* override global a{color} — clear, not washed out */
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.footer-links a:hover { color: #fff !important; transform: translateX(3px); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: .85rem;
  font-size: .9rem;
  color: #e2e8f0;
  line-height: 1.55;
}
.footer-contact-item i {
  flex-shrink: 0;
  margin-top: .18rem;
  color: var(--color-accent);
  width: 15px;
  text-align: center;
}
.footer-contact-item a {
  color: #e2e8f0 !important;   /* override global a{color} */
  text-decoration: none;
  transition: var(--transition);
  word-break: break-word;
}
.footer-contact-item a:hover { color: #fff !important; text-decoration: underline; }
.footer-contact-item span { color: #e2e8f0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .82rem;
  color: rgba(255,255,255,.75);
}

/* ---- Cart Count Badge -------------------------------------- */
.cart-count {
  position: relative;
  display: inline-flex;
}
.cart-count-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--color-accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 .3rem;
}

/* ---- Modal (lightweight) ----------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 9000;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  animation: modalIn .2s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.95) translateY(10px); }
  to   { opacity: 1; transform: scale(1)  translateY(0); }
}
.modal-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body   { padding: 1.5rem; }
.modal-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--color-border); display: flex; justify-content: flex-end; gap: .75rem; }
.modal-close  { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--color-steel); padding: .25rem; }

/* ---- Image placeholder ------------------------------------ */
.img-placeholder {
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-border) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-concrete);
  font-size: 2rem;
}

/* ---- Responsive ------------------------------------------- */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .hero { min-height: 520px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }

  /* Checkout + Cart: sidebar drops below on tablet */
  .layout-sidebar-right {
    grid-template-columns: 1fr !important;
  }
  .layout-sidebar-right > :last-child {
    order: -1;  /* summary shows above form */
  }
}

@media (max-width: 700px) {
  /* ── Topbar & Nav ─────────────────────────────────────── */
  .topbar { display: none; }
  .navbar-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem 0;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    border-top: 1px solid var(--color-border);
    z-index: 999;
  }
  .navbar-nav.open { display: flex; }
  .navbar-nav a {
    padding: .75rem 1.5rem;
    border-radius: 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
  }
  .navbar-nav a:last-child { border-bottom: none; }
  .navbar-toggle { display: flex; }
  .navbar { position: relative; }

  /* ── Generic layout resets ────────────────────────────── */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero h1 { font-size: 2.4rem; }
  .section { padding: 3rem 0; }
  .admin-page { padding: 1.25rem 1rem; }
  .admin-topbar { padding: 0 1rem; }

  /* ── Checkout layout ──────────────────────────────────── */
  .checkout-grid {
    grid-template-columns: 1fr !important;
  }
  .checkout-summary-col {
    order: -1;  /* order summary shows first on mobile */
  }

  /* ── Cart items ───────────────────────────────────────── */
  .cart-item-inner {
    flex-wrap: wrap;
    gap: .75rem !important;
    align-items: flex-start !important;
  }
  .cart-item-image {
    width: 64px !important;
    height: 64px !important;
  }
  .cart-item-info {
    flex: 1;
    min-width: 0;
  }
  .cart-item-stepper {
    width: 100%;
    justify-content: space-between;
    border-top: 1px solid var(--color-border);
    padding-top: .5rem;
    margin-top: .25rem;
  }
  .cart-item-price {
    min-width: auto !important;
    text-align: left !important;
  }

  /* ── Qty stepper fix ──────────────────────────────────── */
  .qty-stepper {
    flex-shrink: 0;
  }
  .qty-stepper input[type="number"] {
    width: 44px !important;
    font-size: .95rem !important;
  }

  /* ── Cart navbar badge ────────────────────────────────── */
  .cart-count-badge {
    font-size: .6rem !important;
    min-width: 16px !important;
    height: 16px !important;
    top: -5px !important;
    right: -6px !important;
  }

  /* ── Contact page ─────────────────────────────────────── */
  .contact-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .contact-form-col { order: 1; }
  .contact-info-col { order: 2; }

  /* ── Contact form name+phone row ──────────────────────── */
  .contact-name-phone {
    grid-template-columns: 1fr !important;
  }

  /* ── Checkout address 2-col grid ──────────────────────── */
  .checkout-address-grid {
    grid-template-columns: 1fr !important;
  }
  .checkout-address-grid [style*="grid-column:span 2"],
  .checkout-address-grid [style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }

  /* ── Product detail / admin detail grids ─────────────── */
  .detail-grid-2 {
    grid-template-columns: 1fr !important;
  }

  /* ── KPI cards — 2 per row on small screens ───────────── */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* ── Table horizontal scroll ──────────────────────────── */
  .table-wrap { overflow-x: auto; }

  /* ── Cards full width ─────────────────────────────────── */
  .card { border-radius: var(--radius-md); }
}

@media (max-width: 480px) {
  .hero-stats { gap: 1.5rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  /* ── Navbar actions: hide text, show icons only ───────── */
  .navbar-actions .btn-outline span,
  .navbar-actions .btn-accent span { display: none; }

  /* ── Cart page: stack summary card fully ─────────────── */
  .cart-summary-card { margin-top: 0; }

  /* ── Admin tables: reduce padding ────────────────────── */
  .admin-page-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
  .admin-page-header .btn { align-self: flex-start; }

  /* ── Production form: full width inputs ──────────────── */
  .prod-form-header {
    grid-template-columns: 1fr !important;
  }
}

/* ---- Print (invoice) --------------------------------------- */
@media print {
  .admin-sidebar, .admin-topbar, .btn, .navbar, .footer { display: none !important; }
  .admin-main { margin-left: 0; }
  body { background: white; }
}

/* ---- Animations ------------------------------------------- */
@keyframes fadeInUp {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: translateY(0); }
}
@keyframes shimmer {
  from { background-position: -200% 0; }
  to   { background-position:  200% 0; }
}
.animate-fade-in-up { animation: fadeInUp .5s ease both; }
.animate-delay-1 { animation-delay: .1s; }
.animate-delay-2 { animation-delay: .2s; }
.animate-delay-3 { animation-delay: .3s; }
.animate-delay-4 { animation-delay: .4s; }

.skeleton {
  background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-border) 50%, var(--color-surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}