/* ============================================================
   style.css — Shopee-Inspired Premium UI
   Font: Inter + Plus Jakarta Sans (Google Fonts)
   ============================================================ */

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

/* ─── Design Tokens ──────────────────────────────────────── */
:root {
  /* Brand */
  --brand:         #ee4d2d;
  --brand-dark:    #c73a1d;
  --brand-light:   #ff6b47;
  --brand-pale:    #fff2ef;
  --brand-glow:    rgba(238, 77, 45, 0.18);

  /* Neutrals */
  --white:         #ffffff;
  --bg:            #f5f5f5;
  --bg-2:          #eeeeee;
  --surface:       #ffffff;
  --border:        #e0e0e0;
  --border-focus:  #ee4d2d;

  /* Text */
  --text-primary:   #212121;
  --text-secondary: #616161;
  --text-muted:     #9e9e9e;
  --text-inverse:   #ffffff;

  /* Status */
  --success:  #22c55e;
  --error:    #ef4444;
  --warning:  #f59e0b;
  --info:     #3b82f6;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.06);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.15);
  --shadow-brand: 0 4px 20px rgba(238,77,45,.35);

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-full: 999px;

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
  --fast: 150ms;
  --mid:  250ms;
  --slow: 400ms;

  /* Layout */
  --nav-h: 60px;
  --sidebar-w: 220px;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', 'Plus Jakarta Sans', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; transition: color var(--fast) var(--ease); }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; }
input, textarea, select { font-family: inherit; }

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Utility ─────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); font-size: .875rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }

/* ─── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--r-md);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--mid) var(--ease);
  cursor: pointer;
  border: 2px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  opacity: 0;
  transition: opacity var(--fast) var(--ease);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none !important; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: var(--white);
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--brand-light), var(--brand)); box-shadow: 0 6px 24px rgba(238,77,45,.45); }

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-2); color: var(--text-primary); }

.btn-block { width: 100%; }
.btn-sm { padding: .5rem 1rem; font-size: .875rem; border-radius: var(--r-sm); }
.btn-lg { padding: 1rem 2rem; font-size: 1rem; border-radius: var(--r-md); }

.btn-google  { background: #fff; color: #3c4043; border: 1.5px solid var(--border); box-shadow: var(--shadow-sm); }
.btn-google:hover  { background: #f8f9fa; box-shadow: var(--shadow-md); }
.btn-facebook{ background: #1877f2; color: #fff; }
.btn-facebook:hover { background: #1464d8; }
.btn-apple   { background: #000; color: #fff; }
.btn-apple:hover { background: #1a1a1a; }

.btn-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: inline-block;
  margin-right: .4rem;
}

/* ─── Forms ───────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .375rem; }
.form-label {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-label span.req { color: var(--brand); margin-left: 2px; }

.input-wrap { position: relative; }
.form-input {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: .9375rem;
  color: var(--text-primary);
  background: var(--white);
  transition: border-color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
  outline: none;
}
.form-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-glow);
}
.form-input.has-icon { padding-right: 2.75rem; }
.form-input.is-error { border-color: var(--error); }
.form-input.is-error:focus { box-shadow: 0 0 0 3px rgba(239,68,68,.15); }
.form-input.is-success { border-color: var(--success); }
.form-input::placeholder { color: var(--text-muted); }

.input-icon {
  position: absolute;
  right: .875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  transition: color var(--fast) var(--ease);
}
.input-icon:hover { color: var(--text-secondary); }
.input-left-icon { left: .875rem; right: auto; cursor: default; }
.form-input.with-left-icon { padding-left: 2.75rem; }

.form-error {
  font-size: .8rem;
  color: var(--error);
  display: flex;
  align-items: center;
  gap: .25rem;
  animation: fadeSlideIn var(--fast) var(--ease);
}
.form-hint { font-size: .8rem; color: var(--text-muted); }

/* ─── Checkbox ────────────────────────────────────────────── */
.checkbox-wrap {
  display: flex;
  align-items: flex-start;
  gap: .625rem;
  cursor: pointer;
  user-select: none;
}
.checkbox-wrap input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--brand);
  cursor: pointer;
  margin-top: 1px;
  flex-shrink: 0;
}
.checkbox-label { font-size: .875rem; color: var(--text-secondary); line-height: 1.5; }
.checkbox-label a { color: var(--brand); font-weight: 500; }
.checkbox-label a:hover { text-decoration: underline; }

/* ─── Password Strength ───────────────────────────────────── */
.strength-bar-wrap {
  height: 4px;
  background: var(--bg-2);
  border-radius: var(--r-full);
  overflow: hidden;
  margin-top: .375rem;
}
.strength-bar {
  height: 100%;
  border-radius: var(--r-full);
  transition: width var(--mid) var(--ease), background var(--mid) var(--ease);
  width: 0%;
}
.strength-label {
  font-size: .78rem;
  font-weight: 500;
  margin-top: .25rem;
  transition: color var(--mid);
}

/* ─── OTP Input ───────────────────────────────────────────── */
.otp-grid {
  display: flex;
  gap: .625rem;
  justify-content: center;
  margin: 1.25rem 0;
}
.otp-digit {
  width: 52px; height: 60px;
  border: 2px solid var(--border);
  border-radius: var(--r-md);
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--white);
  outline: none;
  transition: all var(--fast) var(--ease);
  caret-color: var(--brand);
}
.otp-digit:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-glow);
  transform: scale(1.05);
}
.otp-digit.filled { border-color: var(--brand); background: var(--brand-pale); }

.otp-countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--text-muted);
}
.otp-timer {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand);
  min-width: 40px;
  text-align: center;
}

/* ─── Divider ─────────────────────────────────────────────── */
.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
  font-size: .8125rem;
  margin: 1.25rem 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Toast Notifications ────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .625rem;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1.125rem;
  background: var(--white);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--info);
  min-width: 280px;
  max-width: 380px;
  pointer-events: all;
  transform: translateX(120%);
  opacity: 0;
  transition: transform var(--mid) var(--ease), opacity var(--mid) var(--ease);
  font-size: .9rem;
  font-weight: 500;
}
.toast.show { transform: translateX(0); opacity: 1; }
.toast.hide { transform: translateX(120%); opacity: 0; }
.toast-success { border-left-color: var(--success); }
.toast-error   { border-left-color: var(--error); }
.toast-warning { border-left-color: var(--warning); }
.toast-info    { border-left-color: var(--info); }
.toast-icon { font-size: 1.1rem; flex-shrink: 0; }
.toast-msg  { flex: 1; color: var(--text-primary); line-height: 1.4; }
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 1.2rem;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--fast);
}
.toast-close:hover { color: var(--text-primary); }

/* ─── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--mid) var(--ease);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 2.5rem 2rem;
  max-width: 400px;
  width: 90%;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(.9) translateY(20px);
  transition: transform var(--mid) var(--ease);
  text-align: center;
}
.modal-overlay.active .modal-card { transform: scale(1) translateY(0); }
.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--bg-2);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--fast) var(--ease);
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }
.modal-logo { font-size: 3rem; margin-bottom: 1rem; }
.modal-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.modal-subtitle { font-size: .875rem; color: var(--text-secondary); margin-bottom: 1.5rem; }
.modal-actions { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 1.25rem; }
.modal-footer-text { font-size: .78rem; color: var(--text-muted); }

/* ─── Loading Overlay ─────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(2px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--fast);
}
.loading-overlay.active { opacity: 1; visibility: visible; }
.spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

/* ─── Navbar ──────────────────────────────────────────────── */
.navbar {
  height: var(--nav-h);
  background: var(--brand);
  background: linear-gradient(135deg, #ee4d2d 0%, #c73a1d 100%);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(238,77,45,.35);
  gap: 1rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .625rem;
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 800;
  font-family: 'Plus Jakarta Sans', sans-serif;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo-icon { font-size: 1.5rem; }

.nav-search {
  flex: 1;
  max-width: 560px;
  display: flex;
  background: var(--white);
  border-radius: var(--r-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.nav-search input {
  flex: 1;
  padding: .6rem 1rem;
  border: none;
  outline: none;
  font-size: .9rem;
  color: var(--text-primary);
}
.nav-search-btn {
  padding: 0 1.25rem;
  background: var(--brand);
  color: var(--white);
  border: none;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--fast);
}
.nav-search-btn:hover { background: var(--brand-dark); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-icon-btn {
  display: flex;
  align-items: center;
  gap: .375rem;
  color: var(--white);
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .6rem;
  border-radius: var(--r-sm);
  transition: background var(--fast);
  position: relative;
}
.nav-icon-btn:hover { background: rgba(255,255,255,.2); color: var(--white); }
.nav-icon-btn .icon { font-size: 1.2rem; }
.nav-badge {
  position: absolute;
  top: -4px; right: -4px;
  background: #ffee33;
  color: var(--brand);
  font-size: .68rem;
  font-weight: 700;
  border-radius: var(--r-full);
  padding: 1px 5px;
  min-width: 18px;
  text-align: center;
}
.nav-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.5);
  object-fit: cover;
}
.nav-user-dropdown {
  display: flex;
  align-items: center;
  gap: .5rem;
  cursor: pointer;
  padding: .375rem .75rem;
  border-radius: var(--r-sm);
  transition: background var(--fast);
  position: relative;
}
.nav-user-dropdown:hover { background: rgba(255,255,255,.2); }
.nav-user-name { color: var(--white); font-size: .85rem; font-weight: 600; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.role-badge {
  font-size: .68rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--r-full);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.role-buyer  { background: rgba(255,255,255,.25); color: var(--white); }
.role-seller { background: #fbbf24; color: #78350f; }
.role-admin  { background: #7c3aed; color: var(--white); }

/* ─── Sub-Navbar (category bar) ──────────────────────────── */
.subnav {
  background: linear-gradient(to right, #d73211, #ee4d2d);
  padding: .5rem 1.5rem;
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
}
.subnav a {
  color: rgba(255,255,255,.85);
  font-size: .85rem;
  white-space: nowrap;
  padding: .25rem 0;
  transition: color var(--fast);
}
.subnav a:hover { color: var(--white); }

/* ─── Auth Page Layout ─────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 460px;
  background: var(--brand);
}

.auth-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 4rem 3rem;
  background: linear-gradient(160deg, #ee4d2d 0%, #c0392b 50%, #922b21 100%);
  position: relative;
  overflow: hidden;
}
.auth-left::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  top: -200px; right: -200px;
}
.auth-left::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  bottom: -100px; left: -100px;
}
.auth-brand {
  position: relative;
  z-index: 1;
}
.auth-brand-logo {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  margin-bottom: .5rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.auth-brand-tagline {
  font-size: 1.5rem;
  color: rgba(255,255,255,.9);
  font-weight: 400;
  line-height: 1.5;
  max-width: 380px;
}
.auth-brand-features {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.auth-feature {
  display: flex;
  align-items: center;
  gap: .875rem;
  color: rgba(255,255,255,.85);
  font-size: .95rem;
}
.auth-feature-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.15);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}

.auth-right {
  background: #f7f7f7;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  min-height: 100vh;
}

.auth-card {
  background: var(--white);
  border-radius: var(--r-xl);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  animation: fadeSlideIn var(--slow) var(--ease);
}

/* ─── Auth Tabs ───────────────────────────────────────────── */
.auth-tabs {
  display: flex;
  background: var(--bg);
  border-radius: var(--r-md);
  padding: 4px;
  margin-bottom: 2rem;
  gap: 4px;
}
.auth-tab {
  flex: 1;
  padding: .6rem;
  border-radius: calc(var(--r-md) - 2px);
  font-size: .9rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--text-muted);
  transition: all var(--mid) var(--ease);
}
.auth-tab.active {
  background: var(--white);
  color: var(--brand);
  box-shadow: var(--shadow-sm);
}

/* ─── Auth form steps ─────────────────────────────────────── */
.auth-step { display: none; animation: fadeSlideIn var(--mid) var(--ease); }
.auth-step.active { display: block; }

.auth-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: .375rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.auth-subtitle {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

/* ─── Social Login Buttons ────────────────────────────────── */
.social-grid {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-top: 1.25rem;
}
.social-btn {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  background: var(--white);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--fast) var(--ease);
  width: 100%;
}
.social-btn:hover { border-color: #c5c5c5; background: var(--bg); box-shadow: var(--shadow-sm); }
.social-btn svg, .social-btn .social-icon { width: 20px; height: 20px; flex-shrink: 0; font-size: 1.2rem; }

/* ─── OTP Verification Step ───────────────────────────────── */
.otp-header { text-align: center; padding-bottom: .5rem; }
.otp-identifier { font-weight: 600; color: var(--brand); }
.otp-resend-wrap { text-align: center; margin-top: .75rem; }

/* ─── Hero Banner ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #ee4d2d 0%, #ff7043 50%, #ffa726 100%);
  padding: 2.5rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.hero-content { position: relative; z-index: 1; }
.hero-title { font-size: 2.25rem; font-weight: 800; color: var(--white); font-family: 'Plus Jakarta Sans', sans-serif; margin-bottom: .5rem; }
.hero-sub { font-size: 1.1rem; color: rgba(255,255,255,.9); margin-bottom: 1.75rem; }
.hero-search {
  display: flex;
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--r-full);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.hero-search input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  font-size: 1rem;
  outline: none;
}
.hero-search button {
  padding: 1rem 1.75rem;
  background: var(--brand-dark);
  color: var(--white);
  border: none;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--fast);
}
.hero-search button:hover { background: #922b21; }

/* ─── Product Grid ────────────────────────────────────────── */
.products-section { padding: 2rem 1.5rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.section-title { font-size: 1.2rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: .5rem; }
.section-title::before { content: ''; width: 4px; height: 1.4em; background: var(--brand); border-radius: var(--r-full); display: block; }
.section-see-all { font-size: .875rem; color: var(--brand); font-weight: 500; }
.section-see-all:hover { text-decoration: underline; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}
.product-card {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--mid) var(--ease);
  cursor: pointer;
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.product-img-wrap {
  aspect-ratio: 1;
  background: var(--bg);
  overflow: hidden;
  position: relative;
}
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--slow) var(--ease); }
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-badge {
  position: absolute;
  top: .5rem; left: .5rem;
  background: var(--brand);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--r-full);
}
.product-info { padding: .875rem .75rem; }
.product-name {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: .5rem;
}
.product-price { font-size: 1.05rem; font-weight: 700; color: var(--brand); }
.product-price-old { font-size: .8rem; text-decoration: line-through; color: var(--text-muted); margin-left: .25rem; }
.product-meta { display: flex; align-items: center; justify-content: space-between; margin-top: .5rem; }
.product-sold { font-size: .78rem; color: var(--text-muted); }
.product-rating { font-size: .78rem; color: #f59e0b; }
.product-actions {
  display: flex;
  gap: .5rem;
  padding: 0 .75rem .875rem;
}
.product-actions .btn { flex: 1; padding: .5rem; font-size: .8rem; }

/* ─── Page Layout for protected pages ────────────────────── */
.page-container {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.page-header { margin-bottom: 2rem; }
.page-title { font-size: 1.6rem; font-weight: 700; color: var(--text-primary); font-family: 'Plus Jakarta Sans', sans-serif; }
.page-subtitle { color: var(--text-secondary); margin-top: .25rem; }

.card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

/* ─── Account Page ─────────────────────────────────────────── */
.account-layout { display: grid; grid-template-columns: 240px 1fr; gap: 1.5rem; }
.account-sidebar { display: flex; flex-direction: column; gap: .25rem; }
.account-avatar-section {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: .5rem;
}
.account-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid var(--brand);
  margin: 0 auto .75rem;
  object-fit: cover;
}
.account-username { font-weight: 700; font-size: 1rem; color: var(--text-primary); }
.account-role { margin-top: .25rem; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: .625rem;
  padding: .75rem 1rem;
  border-radius: var(--r-md);
  font-size: .9rem;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  transition: all var(--fast) var(--ease);
  font-family: inherit;
}
.sidebar-link:hover { background: var(--brand-pale); color: var(--brand); }
.sidebar-link.active { background: var(--brand-pale); color: var(--brand); font-weight: 600; }
.sidebar-link .icon { font-size: 1.1rem; width: 20px; text-align: center; }

/* ─── Upgrade to Seller ───────────────────────────────────── */
.upgrade-card {
  background: linear-gradient(135deg, var(--brand-pale), #fff);
  border: 2px solid var(--brand);
  border-radius: var(--r-lg);
  padding: 2rem;
  text-align: center;
}
.upgrade-icon { font-size: 3rem; margin-bottom: 1rem; }
.upgrade-title { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); margin-bottom: .5rem; }
.upgrade-desc { font-size: .9rem; color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.7; }
.upgrade-perks { display: flex; flex-direction: column; gap: .625rem; margin-bottom: 1.75rem; text-align: left; }
.upgrade-perk {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-size: .9rem;
  color: var(--text-primary);
  background: var(--white);
  padding: .625rem 1rem;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}
.upgrade-perk-icon { color: var(--success); font-size: 1rem; flex-shrink: 0; }

/* ─── Seller Center ────────────────────────────────────────── */
.seller-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.orange { background: var(--brand-pale); }
.stat-icon.green  { background: #dcfce7; }
.stat-icon.blue   { background: #dbeafe; }
.stat-icon.purple { background: #f3e8ff; }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--text-primary); font-family: 'Plus Jakarta Sans', sans-serif; }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: .125rem; }

/* ─── Cart Page ───────────────────────────────────────────── */
.cart-layout { display: grid; grid-template-columns: 1fr 320px; gap: 1.5rem; align-items: start; }
.cart-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}
.cart-item:last-child { border-bottom: none; }
.cart-item-img { width: 80px; height: 80px; border-radius: var(--r-md); object-fit: cover; flex-shrink: 0; background: var(--bg); }
.cart-item-name { font-weight: 500; color: var(--text-primary); flex: 1; }
.cart-item-price { font-weight: 700; color: var(--brand); white-space: nowrap; }
.order-summary { background: var(--white); border-radius: var(--r-lg); padding: 1.5rem; box-shadow: var(--shadow-sm); }
.order-summary-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 1rem; color: var(--text-primary); }
.order-row { display: flex; justify-content: space-between; font-size: .9rem; padding: .375rem 0; }
.order-row.total { font-weight: 700; font-size: 1.1rem; color: var(--brand); border-top: 1px solid var(--border); padding-top: .75rem; margin-top: .375rem; }

/* ─── Checkout Page ───────────────────────────────────────── */
.checkout-layout { display: grid; grid-template-columns: 1fr 360px; gap: 1.5rem; align-items: start; }
.checkout-section-title { font-size: 1rem; font-weight: 700; margin-bottom: 1.25rem; color: var(--text-primary); display: flex; align-items: center; gap: .5rem; }

/* ─── Empty States ─────────────────────────────────────────── */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--text-muted); }
.empty-icon { font-size: 4rem; margin-bottom: 1rem; opacity: .5; }
.empty-title { font-size: 1.1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: .5rem; }
.empty-desc { font-size: .875rem; }

/* ─── Access Denied ────────────────────────────────────────── */
.access-denied {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  gap: 1rem;
}
.access-denied-icon { font-size: 5rem; opacity: .4; }
.access-denied-title { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.access-denied-desc { font-size: .95rem; color: var(--text-secondary); max-width: 400px; line-height: 1.7; }

/* ─── Footer ──────────────────────────────────────────────── */
.footer {
  background: #111;
  color: rgba(255,255,255,.7);
  padding: 3rem 1.5rem 2rem;
  margin-top: 3rem;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; max-width: 1100px; margin: 0 auto 2rem; }
.footer-brand { font-size: 1.2rem; font-weight: 800; color: var(--white); font-family: 'Plus Jakarta Sans', sans-serif; margin-bottom: .75rem; }
.footer-desc { font-size: .85rem; line-height: 1.7; }
.footer-title { font-size: .9rem; font-weight: 700; color: var(--white); margin-bottom: 1rem; }
.footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-links a { font-size: .85rem; color: rgba(255,255,255,.65); transition: color var(--fast); }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; text-align: center; font-size: .82rem; max-width: 1100px; margin: 0 auto; }

/* ─── Animations ──────────────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

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

/* ─── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-left { display: none; }
  .auth-right { min-height: 100vh; padding: 1.5rem 1rem; background: var(--brand); }
  .auth-card { max-width: 100%; border-radius: var(--r-lg); }
  .account-layout { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  :root { --nav-h: 56px; }
  .nav-search { display: none; }
  .hero-title { font-size: 1.6rem; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: .75rem; }
  .otp-digit { width: 44px; height: 52px; font-size: 1.3rem; }
  .seller-stats { grid-template-columns: repeat(2, 1fr); }
}