/* ─────────────────────────────────────────────────
   ReTecno Design System
   Premium dark theme for refurbished electronics
   ───────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── Reset ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

/* ── CSS Variables ───────────────────────────────── */
:root {
  /* Brand */
  --primary: #2B9348;
  --primary-light: #55C06F;
  --primary-dark: #1E6B33;
  --primary-100: rgba(43, 147, 72, 0.08);
  --primary-200: rgba(43, 147, 72, 0.15);
  --accent: #1A759F;
  --accent-light: #34A0B4;

  /* Surfaces */
  --bg: #0B0F14;
  --bg-secondary: #111820;
  --bg-card: #161D27;
  --bg-card-hover: #1C2533;
  --bg-input: #1A2230;
  --bg-elevated: #1E2736;

  /* Text */
  --text: #EDF2F7;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  /* Borders */
  --border: rgba(148, 163, 184, 0.1);
  --border-focus: rgba(43, 147, 72, 0.5);

  /* Misc */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --radius-full: 999px;
  --shadow: 0 4px 24px rgba(0,0,0,0.25);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.35);
  --transition: 0.2s ease;
  --header-h: 72px;
  --container: 1200px;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2B9348, #1A759F);
  --gradient-hero: linear-gradient(160deg, #0B0F14 0%, #111B22 40%, #0E1920 100%);
  --gradient-card: linear-gradient(145deg, rgba(22, 29, 39, 0.8), rgba(30, 39, 54, 0.6));
}

/* ── Base ────────────────────────────────────────── */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ── Typography ──────────────────────────────────── */
h1 { font-size: 2rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; }
h2 { font-size: 1.5rem; font-weight: 700; line-height: 1.3; }
h3 { font-size: 1.125rem; font-weight: 600; line-height: 1.4; }

/* ── Layout ──────────────────────────────────────── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-title { font-size: 1.875rem; font-weight: 800; margin-bottom: 12px; }
.section-title span { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-subtitle { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

.page-section { padding: 48px 0 80px; }

/* ── Header ──────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h); display: flex; align-items: center;
  background: rgba(11, 15, 20, 0.6);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
}
.header-logo { display: flex; align-items: center; flex-shrink: 0; }
.header-logo img { height: 34px; width: auto; }
.header-nav { display: flex; align-items: center; gap: 4px; }
.header-link {
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
  transition: all var(--transition);
}
.header-link:hover, .header-link.active { color: var(--text); background: var(--primary-100); }
.header-link.active { color: var(--primary-light); }
.header-cart {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: var(--radius-sm);
  font-weight: 500; font-size: 0.9rem;
  color: #fff; background: var(--primary); border: none;
  transition: all var(--transition); margin-left: 8px;
}
.header-cart:hover { background: var(--primary-dark); }
.header-cart svg { width: 18px; height: 18px; }

.header-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
.header-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; margin: 5px 0; transition: all var(--transition); }

/* ── Hero ────────────────────────────────────────── */
.hero {
  position: relative; min-height: calc(100vh - var(--header-h)); padding-top: var(--header-h);
  display: flex; align-items: center; overflow: hidden;
  background: var(--gradient-hero);
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 800px; height: 800px;
  border-radius: 50%; background: radial-gradient(circle, rgba(43, 147, 72, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%; width: 600px; height: 600px;
  border-radius: 50%; background: radial-gradient(circle, rgba(26, 117, 159, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 80px 0; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px;
  border-radius: var(--radius-full); background: var(--primary-100);
  border: 1px solid var(--primary-200); font-size: 0.85rem; font-weight: 600;
  color: var(--primary-light); margin-bottom: 24px;
}
.hero h1 { font-size: 3.25rem; font-weight: 900; line-height: 1.08; letter-spacing: -1.5px; margin-bottom: 20px; }
.hero h1 span { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-text p { font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7; max-width: 480px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-visual { display: flex; align-items: center; justify-content: center; position: relative; }
.hero-visual img { max-width: 320px; filter: drop-shadow(0 20px 60px rgba(43,147,72,0.15)); animation: float 6s ease-in-out infinite; }
.hero-glow {
  position: absolute; width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,147,72,0.12), transparent 70%);
  animation: pulse 5s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.08); opacity: 1; } }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600;
  font-size: 0.95rem; border: none; cursor: pointer; transition: all var(--transition);
  text-decoration: none; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(43,147,72,0.3); }
.btn-secondary { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--text-muted); }
.btn-outline { background: transparent; color: var(--primary-light); border: 1px solid var(--primary-200); }
.btn-outline:hover { background: var(--primary-100); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-danger { background: #DC3545; color: #fff; }
.btn-danger:hover { background: #C82333; }
.btn-block { width: 100%; }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Cards ───────────────────────────────────────── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: all var(--transition);
}
.card:hover { border-color: rgba(148, 163, 184, 0.2); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-glass {
  background: var(--gradient-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}

/* ── Feature Cards ───────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card { padding: 32px 24px; text-align: center; }
.feature-icon { font-size: 2.25rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.5; }

/* ── Category Cards ──────────────────────────────── */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.category-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px; text-align: center; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: all var(--transition); cursor: pointer;
}
.category-card:hover { border-color: var(--primary-200); transform: translateY(-2px); box-shadow: var(--shadow); }
.category-icon { font-size: 2.25rem; }
.category-name { font-weight: 600; font-size: 0.9rem; }

/* ── Product Cards ───────────────────────────────── */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 24px; }
.product-card { display: block; cursor: pointer; }
.product-thumb {
  position: relative; height: 220px; background: var(--bg-elevated);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.product-card:hover .product-thumb img { transform: scale(1.05); }
.product-thumb-placeholder { font-size: 3.5rem; opacity: 0.2; }
.product-badge {
  position: absolute; top: 12px; left: 12px; padding: 4px 10px;
  border-radius: var(--radius-xs); font-size: 0.7rem; font-weight: 600;
  background: var(--primary); color: #fff; text-transform: uppercase; letter-spacing: 0.5px;
}
.product-body { padding: 16px 20px 20px; }
.product-cat { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; font-weight: 600; }
.product-name { font-size: 1rem; font-weight: 600; margin: 6px 0 12px; line-height: 1.3; }
.product-prices { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.product-price { font-size: 1.25rem; font-weight: 700; color: var(--primary-light); }
.product-rental { font-size: 0.8rem; color: var(--text-muted); }

/* ── CTA Section ─────────────────────────────────── */
.cta-section { padding: 0 0 80px; }
.cta-card { text-align: center; padding: 64px 32px; }
.cta-card h2 { font-size: 1.875rem; margin-bottom: 12px; }
.cta-card p { color: var(--text-secondary); margin-bottom: 28px; font-size: 1.05rem; }

/* ── Catalog Page ────────────────────────────────── */
.catalog-layout { display: grid; grid-template-columns: 220px 1fr; gap: 32px; }
.catalog-sidebar { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.filter-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.2px; color: var(--text-muted); font-weight: 700; margin-bottom: 12px; }
.filter-link {
  display: block; padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--text-secondary); transition: all var(--transition); margin-bottom: 2px;
}
.filter-link:hover, .filter-link.active { background: var(--primary-100); color: var(--text); }
.filter-link.active { color: var(--primary-light); font-weight: 600; }

/* ── Product Detail ──────────────────────────────── */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 48px 0 80px; }
.product-gallery {
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 400px; border: 1px solid var(--border);
}
.product-gallery img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-placeholder { font-size: 6rem; opacity: 0.15; }
.product-info { display: flex; flex-direction: column; gap: 24px; }
.product-info h1 { font-size: 1.75rem; }
.product-info .product-cat { margin-bottom: -16px; }
.price-display { display: flex; align-items: baseline; gap: 12px; }
.price-main { font-size: 2rem; font-weight: 800; color: var(--primary-light); }
.price-sub { font-size: 0.9rem; color: var(--text-muted); }

/* Mode Toggle */
.mode-toggle { display: flex; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.mode-btn {
  flex: 1; padding: 12px 20px; text-align: center; font-weight: 600;
  font-size: 0.9rem; background: var(--bg-card); color: var(--text-muted);
  border: none; cursor: pointer; transition: all var(--transition);
}
.mode-btn.active { background: var(--primary); color: #fff; }
.mode-btn:hover:not(.active) { background: var(--bg-card-hover); color: var(--text); }

/* Services */
.service-option {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 8px; cursor: pointer;
  transition: all var(--transition);
}
.service-option:hover { border-color: var(--primary-200); }
.service-option.selected { border-color: var(--primary); background: var(--primary-100); }
.service-label { display: flex; align-items: center; gap: 12px; }
.service-check {
  width: 20px; height: 20px; border-radius: 4px;
  border: 2px solid var(--border); display: flex; align-items: center; justify-content: center;
  transition: all var(--transition); flex-shrink: 0;
}
.service-option.selected .service-check { background: var(--primary); border-color: var(--primary); }
.service-price { font-weight: 600; color: var(--primary-light); white-space: nowrap; }
.service-duration {
  margin-top: 8px; padding: 8px 12px; background: var(--bg-input);
  border-radius: var(--radius-xs); display: flex; align-items: center; gap: 8px;
}
.service-duration select { background: var(--bg-card); color: var(--text); border: 1px solid var(--border); padding: 4px 8px; border-radius: 4px; font-size: 0.85rem; }

/* Specs table */
.specs-table { width: 100%; margin-top: 32px; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table td { padding: 10px 0; font-size: 0.9rem; }
.specs-table td:first-child { color: var(--text-muted); font-weight: 500; width: 40%; }

/* ── Cart ────────────────────────────────────────── */
.cart-empty { text-align: center; padding: 80px 24px; }
.cart-empty-icon { font-size: 4rem; margin-bottom: 16px; opacity: 0.3; }
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 32px; }
.cart-item {
  display: flex; gap: 20px; padding: 20px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 12px;
}
.cart-item-image {
  width: 100px; height: 100px; border-radius: var(--radius-sm);
  background: var(--bg-elevated); display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
}
.cart-item-image img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.cart-item-name { font-weight: 600; }
.cart-item-meta { font-size: 0.85rem; color: var(--text-muted); }
.cart-item-price { font-weight: 700; color: var(--primary-light); }
.cart-item-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 0.85rem; align-self: start; }
.cart-item-remove:hover { color: #DC3545; }
.cart-summary {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; position: sticky; top: calc(var(--header-h) + 24px); align-self: start;
}
.cart-summary h3 { margin-bottom: 20px; }
.cart-summary-row { display: flex; justify-content: space-between; padding: 8px 0; font-size: 0.95rem; }
.cart-summary-row.total { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 8px; font-weight: 700; font-size: 1.1rem; }
.cart-summary-row.total .cart-item-price { font-size: 1.1rem; }

/* ── Checkout ────────────────────────────────────── */
.checkout-layout { display: grid; grid-template-columns: 1fr 400px; gap: 48px; }
.checkout-steps { display: flex; gap: 8px; margin-bottom: 32px; }
.checkout-step {
  flex: 1; padding: 12px; text-align: center; border-radius: var(--radius-sm);
  font-size: 0.85rem; font-weight: 600; background: var(--bg-card);
  border: 1px solid var(--border); color: var(--text-muted); transition: all var(--transition);
}
.checkout-step.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.checkout-step.done { background: var(--primary-100); color: var(--primary-light); border-color: var(--primary-200); }

/* ── Forms ───────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; background: var(--bg-input);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 0.95rem; font-family: inherit;
  transition: all var(--transition); outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(43,147,72,0.1);
}
.form-textarea { min-height: 100px; resize: vertical; }
.form-select { cursor: pointer; appearance: auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Trade-In ────────────────────────────────────── */
.wizard-progress { display: flex; gap: 4px; margin-bottom: 40px; }
.wizard-step-bar { flex: 1; height: 4px; border-radius: 4px; background: var(--border); transition: background 0.3s; }
.wizard-step-bar.done { background: var(--primary); }
.wizard-step-bar.active { background: var(--primary-light); }
.wizard-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.wizard-subtitle { color: var(--text-secondary); margin-bottom: 32px; }
.wizard-actions { display: flex; gap: 12px; margin-top: 32px; }

.ti-device-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.ti-device-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px; text-align: center; background: var(--bg-card);
  border: 2px solid var(--border); border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition);
}
.ti-device-card:hover { border-color: var(--primary-200); }
.ti-device-card.selected { border-color: var(--primary); background: var(--primary-100); }
.ti-device-icon { font-size: 2.5rem; }
.ti-device-name { font-weight: 600; }

.ti-question { margin-bottom: 24px; }
.ti-question label { display: block; font-weight: 600; margin-bottom: 12px; }
.ti-option {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); margin-bottom: 6px; cursor: pointer;
  transition: all var(--transition);
}
.ti-option:hover { border-color: var(--primary-200); }
.ti-option.selected { border-color: var(--primary); background: var(--primary-100); }
.ti-modifier { font-size: 0.85rem; font-weight: 600; }
.ti-modifier.positive { color: var(--primary-light); }
.ti-modifier.negative { color: #EF4444; }

.ti-result {
  text-align: center; padding: 48px; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.ti-result-price { font-size: 3rem; font-weight: 900; color: var(--primary-light); margin: 16px 0; }

/* ── Map ─────────────────────────────────────────── */
.map-container { height: 450px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); margin-bottom: 24px; }
.center-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.center-card {
  padding: 16px; background: var(--bg-card); border: 2px solid var(--border);
  border-radius: var(--radius-sm); cursor: pointer; transition: all var(--transition);
}
.center-card:hover { border-color: var(--primary-200); }
.center-card.selected { border-color: var(--primary); background: var(--primary-100); }
.center-card h4 { font-size: 0.95rem; margin-bottom: 4px; }
.center-card p { font-size: 0.85rem; color: var(--text-muted); }

/* ── Badges ──────────────────────────────────────── */
.badge {
  display: inline-flex; padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px;
}
.badge-success { background: rgba(43,147,72,0.15); color: #55C06F; }
.badge-warning { background: rgba(234,179,8,0.15); color: #EAB308; }
.badge-info { background: rgba(59,130,246,0.15); color: #60A5FA; }
.badge-error { background: rgba(239,68,68,0.15); color: #EF4444; }

/* ── Tables ──────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead { background: var(--bg-elevated); }
th { padding: 12px 16px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--text-muted); text-align: left; white-space: nowrap; }
td { padding: 14px 16px; font-size: 0.9rem; border-top: 1px solid var(--border); vertical-align: middle; }
tbody tr { transition: background var(--transition); }
tbody tr:hover { background: var(--bg-card-hover); }

/* ── Footer ──────────────────────────────────────── */
.footer { background: var(--bg-secondary); border-top: 1px solid var(--border); padding: 64px 0 0; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
.footer-logo { height: 32px; width: auto; margin-bottom: 16px; }
.footer-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
.footer h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1.2px; color: var(--text-muted); margin-bottom: 16px; font-weight: 700; }
.footer a { display: block; color: var(--text-secondary); font-size: 0.9rem; padding: 5px 0; transition: color var(--transition); }
.footer a:hover { color: var(--primary-light); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; }
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { padding: 0; }

/* ── Admin Layout ────────────────────────────────── */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px; background: var(--bg-secondary); border-right: 1px solid var(--border);
  padding: 0; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; z-index: 50;
}
.admin-sidebar-header { padding: 20px 20px 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); }
.admin-sidebar-header img { height: 26px; }
.admin-sidebar-header span { font-weight: 700; font-size: 0.9rem; color: var(--text-secondary); }
.admin-nav { flex: 1; padding: 12px 10px; display: flex; flex-direction: column; gap: 2px; }
.admin-nav a {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--text-secondary);
  transition: all var(--transition);
}
.admin-nav a:hover, .admin-nav a.active { background: var(--primary-100); color: var(--text); }
.admin-nav a.active { color: var(--primary-light); font-weight: 600; }
.admin-sidebar-footer { padding: 12px 10px; border-top: 1px solid var(--border); }
.admin-sidebar-footer a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.9rem; color: var(--text-secondary); transition: all var(--transition); }
.admin-sidebar-footer a:hover { background: var(--primary-100); color: var(--text); }
.admin-content { flex: 1; margin-left: 240px; padding: 32px 40px; }
.admin-content h1 { font-size: 1.5rem; margin-bottom: 24px; }
.admin-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }

/* Admin Dashboard Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card {
  padding: 20px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); border-top: 3px solid var(--primary);
}
.stat-card.orders { border-top-color: var(--accent); }
.stat-card.customers { border-top-color: #EAB308; }
.stat-card.revenue { border-top-color: #8B5CF6; }
.stat-card.tradein { border-top-color: #F97316; }
.stat-card.ebay { border-top-color: #06B6D4; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; }
.stat-value { font-size: 1.75rem; font-weight: 800; }

/* ── Empty state ─────────────────────────────────── */
.empty-state { text-align: center; padding: 60px 24px; }
.empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { margin-bottom: 8px; }
.empty-state p { color: var(--text-muted); margin-bottom: 20px; }

/* ── How It Works ────────────────────────────────── */
.hiw-section { margin-bottom: 32px; }
.hiw-card { padding: 32px; }
.hiw-card h2 { margin-bottom: 16px; }
.hiw-card p { color: var(--text-secondary); line-height: 1.7; }
.hiw-list { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.hiw-item { padding: 14px 16px; background: var(--bg-elevated); border-radius: var(--radius-sm); }
.hiw-item strong { display: block; margin-bottom: 2px; }
.hiw-step-item { display: flex; gap: 14px; align-items: center; }
.hiw-step-num {
  width: 32px; height: 32px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; flex-shrink: 0;
}
.hiw-included { margin-top: 16px; padding: 16px; background: rgba(43,147,72,0.08); border-radius: var(--radius-sm); border: 1px solid rgba(43,147,72,0.15); color: var(--primary-light); font-weight: 500; }

/* ── Login ───────────────────────────────────────── */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--gradient-hero); }
.login-card { width: 100%; max-width: 420px; padding: 40px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo img { height: 48px; margin: 0 auto; }
.login-title { text-align: center; margin-bottom: 24px; }
.login-error { padding: 12px 16px; background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); border-radius: var(--radius-sm); color: #EF4444; font-size: 0.9rem; margin-bottom: 16px; }

/* ── Modal ───────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 200;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.modal {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 600px; width: 100%; max-height: 85vh; overflow-y: auto; padding: 32px;
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.modal-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1.5rem; padding: 4px; }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero h1 { font-size: 2.5rem; }
  .hero-text p { margin: 0 auto 32px; }
  .hero-actions { justify-content: center; }
  .hero-visual img { max-width: 240px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .checkout-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .header-nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; flex-direction: column; background: var(--bg-secondary); padding: 24px; gap: 4px; z-index: 99; }
  .header-nav.open { display: flex; }
  .header-link { padding: 14px 16px; font-size: 1.05rem; width: 100%; }
  .header-cart { margin-left: 0; margin-top: 12px; justify-content: center; width: 100%; }
  .header-toggle { display: block; }

  .hero h1 { font-size: 2rem; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .catalog-layout { grid-template-columns: 1fr; }
  .catalog-sidebar { position: static; display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; }
  .filter-title { display: none; }
  .filter-link { white-space: nowrap; }
  .product-detail { grid-template-columns: 1fr; gap: 24px; }
  .cart-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }

  .admin-sidebar { display: none; }
  .admin-content { margin-left: 0; padding: 20px; }
}

/* ── Colorful FA Icons ──────────────────────────── */
/* Service icons */
.fa-shopping-cart { color: #55C06F; }
.fa-file-contract { color: #60A5FA; }
.fa-coins { color: #FBBF24; }
.fa-headset { color: #34D399; }
.fa-shield-alt { color: #818CF8; }
.fa-wrench { color: #F97316; }
.fa-check-circle { color: #55C06F; }
.fa-exclamation-triangle { color: #EAB308; }
.fa-map-marker-alt { color: #EF4444; }
.fa-phone { color: #34D399; }

/* Category icons */
.category-icon .fa-mobile-alt,
.ti-device-icon .fa-mobile-alt { color: #60A5FA; }
.category-icon .fa-laptop,
.ti-device-icon .fa-laptop { color: #818CF8; }
.category-icon .fa-tablet-alt,
.ti-device-icon .fa-tablet-alt { color: #34D399; }
.category-icon .fa-desktop,
.ti-device-icon .fa-desktop { color: #F97316; }
.category-icon .fa-headphones,
.ti-device-icon .fa-headphones { color: #EC4899; }
.category-icon .fa-tv,
.ti-device-icon .fa-tv { color: #06B6D4; }

/* Feature card icons */
.feature-icon .fa-shopping-cart { color: #55C06F; }
.feature-icon .fa-file-contract { color: #60A5FA; }
.feature-icon .fa-coins { color: #FBBF24; }
.feature-icon .fa-shield-alt { color: #818CF8; }

/* Filter sidebar icons */
.filter-link i { margin-right: 4px; }
.filter-link .fa-mobile-alt { color: #60A5FA; }
.filter-link .fa-laptop { color: #818CF8; }
.filter-link .fa-tablet-alt { color: #34D399; }
.filter-link .fa-desktop { color: #F97316; }
.filter-link .fa-headphones { color: #EC4899; }
.filter-link .fa-tv { color: #06B6D4; }

/* Admin sidebar - subtle colored icons */
.admin-nav .fa-chart-pie { color: #55C06F; }
.admin-nav .fa-folder { color: #FBBF24; }
.admin-nav .fa-box { color: #60A5FA; }
.admin-nav .fa-shopping-cart { color: #34D399; }
.admin-nav .fa-coins { color: #F97316; }
.admin-nav .fa-clipboard-list { color: #818CF8; }
.admin-nav .fa-map-marker-alt { color: #EF4444; }
.admin-nav .fa-cog { color: #94A3B8; }
.admin-sidebar-footer .fa-globe { color: #06B6D4; }
.admin-sidebar-footer .fa-sign-out-alt { color: #EF4444; }

/* Button & Badge context - override when inside buttons */
.btn .fas, .btn .fab { color: inherit; }
.badge .fas { color: inherit; }
.cart-item-remove .fa-times { color: inherit; }
.mode-btn .fas { color: inherit; }

/* How-it-works section icons */
.hiw-card h2 .fas,
.hiw-card h2 .fab { font-size: 1.2em; margin-right: 4px; }

/* ── Legal Content ──────────────────────────────── */
.legal-content h2 { font-size: 1.25rem; font-weight: 700; margin: 32px 0 12px; color: var(--text); }
.legal-content h2:first-child { margin-top: 0; }
.legal-content h3 { font-size: 1.05rem; font-weight: 600; margin: 20px 0 8px; color: var(--text-secondary); }
.legal-content p { color: var(--text-secondary); margin-bottom: 12px; }
.legal-content ul { margin: 8px 0 16px 24px; }
.legal-content li { color: var(--text-secondary); margin-bottom: 6px; list-style: disc; }
.legal-content a { color: var(--primary-light); text-decoration: underline; }
.legal-content a:hover { color: var(--primary); }