/* --- CSS Variables (change colours here to retheme the whole site) --- */
:root {
  --navy:      #1A3A6B;
  --navy-dark: #122850;
  --orange:    #E8620A;
  --orange-lt: #F07A30;
  --green:     #7AB318;
  --green-lt:  #8FCF20;
  --white:     #FFFFFF;
  --bg:        #F4F6F9;
  --card-bg:   #FFFFFF;
  --text:      #1E2A3A;
  --muted:     #6B7A8D;
  --border:    #DDE3EC;
  --radius:    10px;
  --shadow:    0 2px 12px rgba(26,58,107,0.10);
  --font-head: 'Poppins', sans-serif;
  --font-body: 'Nunito', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--navy);
}

a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange); }

img { max-width: 100%; display: block; }

/* --- Utility Classes --- */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.hidden { display: none !important; }

.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-align: center;
}

/* Primary button — navy blue */
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--navy-dark);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(26,58,107,0.25);
}

/* Accent button — orange */
.btn-accent {
  background: var(--orange);
  color: var(--white);
}
.btn-accent:hover {
  background: var(--orange-lt);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(232,98,10,0.30);
}

/* Outline button */
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* Green button */
.btn-green {
  background: var(--green);
  color: var(--white);
}
.btn-green:hover {
  background: var(--green-lt);
  color: var(--white);
  transform: translateY(-1px);
}

/* --- Navbar --- */
.navbar {
  background: var(--navy);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.18);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}

/* Logo inside navbar */
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.navbar .logo span.logo-dollar {
  background: linear-gradient(135deg, var(--green), var(--orange));
  width: 34px; height: 34px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 900;
  border: 2px solid rgba(255,255,255,0.25);
}

.navbar nav a {
  color: rgba(255,255,255,0.80);
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  margin-left: 24px;
  transition: color 0.2s;
}

.navbar nav a:hover,
.navbar nav a.active { color: var(--orange); }

.navbar nav .btn { margin-left: 16px; padding: 8px 18px; font-size: 0.85rem; }

/* --- Auth Forms (Login & Register) --- */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 60%, #0D1E40 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-card {
  background: var(--white);
  border-radius: 16px;
  padding: 44px 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.30);
}

.auth-card .auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.auth-card .auth-logo .logo-shield {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--green) 0%, var(--orange) 100%);
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  font-weight: 900;
  margin-bottom: 10px;
  border: 3px solid var(--navy);
}

.auth-card h2 {
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.auth-card .auth-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 28px;
}

/* Form inputs */
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26,58,107,0.12);
  background: var(--white);
}

.form-group textarea { resize: vertical; min-height: 90px; }

/* Error & success messages */
.msg-error {
  background: #FEE9E7;
  color: #C0392B;
  border: 1px solid #F5B7B1;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: none;
}

.msg-success {
  background: #E9F7EF;
  color: #1E8449;
  border: 1px solid #A9DFBF;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.88rem;
  margin-bottom: 16px;
  display: none;
}

.msg-error.show,
.msg-success.show { display: block; }

/* Auth footer link */
.auth-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 0.88rem;
  color: var(--muted);
}

.auth-footer a { color: var(--orange); font-weight: 700; }

/* --- Page Header Banner --- */
.page-header {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 40px 20px;
}

.page-header h1 { color: var(--white); font-size: 1.9rem; }
.page-header p { color: rgba(255,255,255,0.75); margin-top: 6px; font-size: 0.95rem; }

/* --- Product Card --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  padding: 32px 0;
}

.product-card {
  background: var(--card-bg);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(26,58,107,0.15);
}

.product-card .card-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--green) 0%, var(--orange) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--white);
}

.product-card .card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card .card-category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.product-card h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--navy);
}

.product-card .card-desc {
  font-size: 0.85rem;
  color: var(--muted);
  flex: 1;
  margin-bottom: 14px;
}

.product-card .card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.product-card .price {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--orange);
}

.product-card .seller-tag {
  font-size: 0.78rem;
  color: var(--muted);
}

/* --- Dashboard Stats --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 20px;
  margin: 28px 0;
}

.stat-card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 22px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-card .stat-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.stat-card .stat-icon.blue  { background: rgba(26,58,107,0.12); color: var(--navy); }
.stat-card .stat-icon.orange{ background: rgba(232,98,10,0.12);  color: var(--orange); }
.stat-card .stat-icon.green { background: rgba(122,179,24,0.12); color: var(--green); }

.stat-card .stat-num {
  font-family: var(--font-head);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 0.80rem;
  color: var(--muted);
  margin-top: 3px;
}

/* --- Section Titles --- */
.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.section-title h2 { font-size: 1.25rem; }
.section-title a  { font-size: 0.85rem; color: var(--orange); font-weight: 700; }

/* --- Table (My Listings / Dashboard) --- */
.table-wrap {
  background: var(--card-bg);
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
  margin-top: 16px;
}

table { width: 100%; border-collapse: collapse; }
th {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 0.80rem;
  font-weight: 700;
  padding: 13px 16px;
  text-align: left;
  letter-spacing: 0.5px;
}
td {
  padding: 12px 16px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #F8FAFC; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-active  { background: rgba(122,179,24,0.15); color: #4A7A00; }
.badge-pending { background: rgba(232,98,10,0.12);  color: var(--orange); }

/* --- Profile Card --- */
.profile-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
}

.profile-avatar {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--navy), var(--green));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  color: var(--white);
  margin: 0 auto 16px;
  font-family: var(--font-head);
  font-weight: 800;
}

/* --- Footer --- */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.60);
  text-align: center;
  padding: 22px 20px;
  font-size: 0.82rem;
  margin-top: 60px;
}

.footer span { color: var(--orange); }

/* ============================================================
   RESPONSIVE — Mobile-first breakpoints
   Tablet  : ≤ 1024px
   Mobile  : ≤ 768px
   Small   : ≤ 480px
   ============================================================ */

/* ---------- Hamburger Button (hidden on desktop) ---------- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 2px solid rgba(255,255,255,0.30);
  border-radius: 8px;
  cursor: pointer;
  padding: 6px;
  transition: border-color 0.2s;
  flex-shrink: 0;
}
.hamburger:hover { border-color: var(--orange); }
.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Animate hamburger → X when open */
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile Nav Drawer ---------- */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--navy-dark);
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 12px 0 16px;
}
.mobile-nav.open { display: flex; }

.mobile-nav a {
  color: rgba(255,255,255,0.82);
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--orange);
  background: rgba(255,255,255,0.05);
}

.mobile-nav .mobile-auth-row {
  display: flex;
  gap: 10px;
  padding: 14px 20px 4px;
}
.mobile-nav .mobile-auth-row .btn {
  flex: 1;
  text-align: center;
  font-size: 0.85rem;
  padding: 10px 12px;
}

/* ---------- TABLET — ≤ 1024px ---------- */
@media (max-width: 1024px) {
  .container { padding: 0 16px; }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
  }

  .stats-row {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
  }

  .steps-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .auth-card { padding: 36px 32px; }
}

/* ---------- MOBILE — ≤ 768px ---------- */
@media (max-width: 768px) {

  /* Navbar: show hamburger, hide desktop nav */
  .navbar .container {
    height: 56px;
    flex-wrap: wrap;
    position: relative;
  }

  .navbar nav { display: none !important; }
  .hamburger  { display: flex; }

  /* Hero section */
  .hero { padding: 56px 16px 48px; }
  .hero h1 { font-size: 1.9rem; }
  .hero p  { font-size: 0.95rem; }
  .hero .btn { padding: 11px 22px; font-size: 0.88rem; }
  .hero-btns { gap: 10px; }

  /* How it works */
  .how-section { padding: 44px 16px; }
  .how-section h2 { font-size: 1.4rem; }
  .steps-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .step { padding: 22px 16px; }

  /* Products grid */
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    padding: 20px 0;
  }

  /* Stats */
  .stats-row { grid-template-columns: 1fr 1fr; gap: 14px; }

  /* Page header */
  .page-header { padding: 28px 16px; }
  .page-header h1 { font-size: 1.5rem; }

  /* Auth card */
  .auth-card { padding: 28px 20px; }
  .auth-card h2 { font-size: 1.3rem; }

  /* CTA Banner */
  .cta-banner { padding: 38px 16px; }
  .cta-banner h2 { font-size: 1.4rem; }

  /* Tables — horizontal scroll on mobile */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 540px; }

  /* Section titles */
  .section-title h2 { font-size: 1.1rem; }

  /* Footer */
  .footer { padding: 18px 16px; font-size: 0.80rem; margin-top: 40px; }
}

/* ---------- SMALL MOBILE — ≤ 480px ---------- */
@media (max-width: 480px) {

  /* Hero */
  .hero h1 { font-size: 1.55rem; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero .btn { width: 100%; max-width: 280px; text-align: center; }

  /* Steps: single column */
  .steps-row { grid-template-columns: 1fr; }

  /* Products: single column */
  .products-grid { grid-template-columns: 1fr; }

  /* Stats: single column */
  .stats-row { grid-template-columns: 1fr; }

  /* Auth card */
  .auth-card { padding: 24px 16px; border-radius: 12px; }

  /* Navbar logo text: hide on very small screens */
  .navbar .logo-text { display: none; }
}