/* ============================================
   ThreadCraft RMG — Main Stylesheet
   Full Responsive Design
   ============================================ */

/* ──── CUSTOM PROPERTIES ──── */
:root {
  --primary:      #1a1a2e;
  --primary-light:#16213e;
  --accent:       #e94560;
  --accent-hover: #c73652;
  --gold:         #f0a500;
  --success:      #10b981;
  --warning:      #f59e0b;
  --danger:       #ef4444;
  --info:         #3b82f6;
  --gray-50:      #f9fafb;
  --gray-100:     #f3f4f6;
  --gray-200:     #e5e7eb;
  --gray-300:     #d1d5db;
  --gray-400:     #9ca3af;
  --gray-500:     #6b7280;
  --gray-600:     #4b5563;
  --gray-700:     #374151;
  --gray-800:     #1f2937;
  --gray-900:     #111827;
  --font-sans:    'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius:       8px;
  --radius-lg:    14px;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow:       0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:    0 10px 40px rgba(0,0,0,.15);
  --transition:   all .25s ease;
}

/* ──── RESET ──── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-sans); color: var(--gray-800); background: #fff; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }

/* ──── TYPOGRAPHY ──── */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--gray-900); }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
p { color: var(--gray-600); }

/* ──── UTILITIES ──── */
.container      { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.container-sm   { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.text-center    { text-align: center; }
.text-right     { text-align: right; }
.flex           { display: flex; }
.flex-center    { display: flex; align-items: center; justify-content: center; }
.flex-between   { display: flex; align-items: center; justify-content: space-between; }
.grid           { display: grid; }
.gap-1          { gap: 8px; }
.gap-2          { gap: 16px; }
.gap-3          { gap: 24px; }
.gap-4          { gap: 32px; }
.mt-1           { margin-top: 8px; }
.mt-2           { margin-top: 16px; }
.mt-3           { margin-top: 24px; }
.mb-2           { margin-bottom: 16px; }
.mb-3           { margin-bottom: 24px; }
.d-none         { display: none; }
.badge          { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-success  { background: #d1fae5; color: #065f46; }
.badge-warning  { background: #fef3c7; color: #92400e; }
.badge-danger   { background: #fee2e2; color: #991b1b; }
.badge-info     { background: #dbeafe; color: #1e40af; }
.badge-primary  { background: #ede9fe; color: #5b21b6; }
.w-100          { width: 100%; }
.section        { padding: 64px 0; }
.section-sm     { padding: 40px 0; }

/* ──── BUTTONS ──── */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  padding: 10px 24px; border-radius: var(--radius); font-weight: 600; font-size: 14px;
  transition: var(--transition); white-space: nowrap; cursor: pointer;
}
.btn-primary    { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent     { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline    { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline-accent { background: transparent; border: 2px solid var(--accent); color: var(--accent); }
.btn-outline-accent:hover { background: var(--accent); color: #fff; }
.btn-success    { background: var(--success); color: #fff; }
.btn-danger     { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm         { padding: 6px 16px; font-size: 13px; }
.btn-lg         { padding: 14px 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-block      { width: 100%; }
.btn:disabled   { opacity: .5; cursor: not-allowed; transform: none !important; }
.btn-icon       { width: 38px; height: 38px; padding: 0; border-radius: 50%; }

/* ──── FORMS ──── */
.form-group     { margin-bottom: 20px; }
.form-label     { display: block; font-weight: 600; font-size: 14px; color: var(--gray-700); margin-bottom: 6px; }
.form-label .req { color: var(--accent); }
.form-control   {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--gray-300);
  border-radius: var(--radius); font-size: 15px; transition: var(--transition);
  background: #fff; color: var(--gray-800);
}
.form-control:focus   { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,26,46,.08); }
.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-valid   { border-color: var(--success); }
.form-error     { color: var(--danger); font-size: 12px; margin-top: 5px; }
.form-hint      { color: var(--gray-400); font-size: 12px; margin-top: 4px; }
.input-group    { position: relative; }
.input-group .form-control { padding-right: 48px; }
.input-group .input-icon   { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--gray-400); }
.input-group .input-icon-left ~ .form-control { padding-left: 44px; }
.input-group .input-icon-left { left: 14px; right: auto; }
.input-toggle-pw { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); color: var(--gray-400); cursor: pointer; z-index: 2; }
.form-check     { display: flex; align-items: flex-start; gap: 10px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); margin-top: 2px; }
.otp-inputs     { display: flex; gap: 12px; justify-content: center; }
.otp-inputs input {
  width: 52px; height: 60px; text-align: center; font-size: 24px; font-weight: 700;
  border: 2px solid var(--gray-300); border-radius: var(--radius); transition: var(--transition);
}
.otp-inputs input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,26,46,.1); outline: none; }
.otp-inputs input.filled { border-color: var(--success); color: var(--success); }

/* ──── PASSWORD STRENGTH ──── */
.pw-strength-bar { height: 4px; border-radius: 4px; background: var(--gray-200); margin-top: 8px; overflow: hidden; }
.pw-strength-fill { height: 100%; border-radius: 4px; transition: var(--transition); width: 0; }
.pw-strength-fill.weak   { width: 25%; background: var(--danger); }
.pw-strength-fill.fair   { width: 50%; background: var(--warning); }
.pw-strength-fill.good   { width: 75%; background: var(--gold); }
.pw-strength-fill.strong { width: 100%; background: var(--success); }
.pw-requirements { margin-top: 8px; }
.pw-req-item    { font-size: 12px; color: var(--gray-400); display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.pw-req-item.met { color: var(--success); }
.pw-req-item::before { content: '✗'; font-weight: 700; }
.pw-req-item.met::before { content: '✓'; }

/* ──── ALERTS ──── */
.alert          { padding: 12px 16px; border-radius: var(--radius); border-left: 4px solid; font-size: 14px; margin-bottom: 16px; }
.alert-success  { background: #ecfdf5; border-color: var(--success); color: #065f46; }
.alert-danger   { background: #fef2f2; border-color: var(--danger); color: #991b1b; }
.alert-warning  { background: #fffbeb; border-color: var(--warning); color: #92400e; }
.alert-info     { background: #eff6ff; border-color: var(--info); color: #1e40af; }

/* ──── NAVBAR ──── */
.navbar {
  background: var(--primary); color: #fff;
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.navbar-inner   { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 20px; }
.navbar-brand   { display: flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 800; color: #fff; }
.navbar-brand span { color: var(--gold); }
.navbar-search  { flex: 1; max-width: 520px; position: relative; }
.navbar-search input {
  width: 100%; padding: 10px 44px 10px 16px; border-radius: 25px;
  border: none; background: rgba(255,255,255,.12); color: #fff; font-size: 14px;
}
.navbar-search input::placeholder { color: rgba(255,255,255,.5); }
.navbar-search input:focus { outline: none; background: rgba(255,255,255,.2); }
.navbar-search .search-btn {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,.7); background: none;
}
.navbar-actions { display: flex; align-items: center; gap: 6px; }
.nav-action-btn {
  position: relative; display: flex; flex-direction: column; align-items: center;
  gap: 2px; padding: 6px 10px; color: rgba(255,255,255,.85); border-radius: var(--radius);
  transition: var(--transition); font-size: 11px;
}
.nav-action-btn:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-action-btn svg { width: 22px; height: 22px; }
.nav-badge      {
  position: absolute; top: 0; right: 4px; width: 18px; height: 18px;
  background: var(--accent); border-radius: 50%; font-size: 10px; font-weight: 700;
  color: #fff; display: flex; align-items: center; justify-content: center;
}

/* Top nav bar */
.top-bar        { background: var(--primary-light); color: rgba(255,255,255,.8); font-size: 12px; padding: 6px 0; }
.top-bar-inner  { display: flex; justify-content: space-between; align-items: center; }
.top-bar a      { color: rgba(255,255,255,.8); }
.top-bar a:hover { color: #fff; }

/* ──── CATEGORIES NAV ──── */
.cat-nav        { background: #fff; border-bottom: 1px solid var(--gray-200); overflow-x: auto; }
.cat-nav-inner  { display: flex; gap: 0; white-space: nowrap; }
.cat-nav-item   { padding: 12px 20px; font-size: 13px; font-weight: 600; color: var(--gray-600); border-bottom: 3px solid transparent; transition: var(--transition); }
.cat-nav-item:hover, .cat-nav-item.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Mobile nav toggle */
.hamburger      { display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); display: block; }

/* ──── HERO / SLIDER ──── */
.hero-slider    { position: relative; overflow: hidden; background: var(--primary); }
.hero-slide     { min-height: 500px; display: flex; align-items: center; background: linear-gradient(135deg, var(--primary) 0%, #0f3460 100%); position: relative; overflow: hidden; }
.hero-slide-img { position: absolute; right: 0; top: 0; bottom: 0; width: 50%; object-fit: cover; opacity: .3; }
.hero-content   { position: relative; z-index: 2; max-width: 560px; }
.hero-tag       { display: inline-block; background: var(--accent); color: #fff; padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; margin-bottom: 16px; }
.hero-title     { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 16px; }
.hero-title span { color: var(--gold); }
.hero-subtitle  { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 32px; }
.hero-actions   { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots      { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; }
.hero-dot       { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; transition: var(--transition); }
.hero-dot.active { background: #fff; width: 24px; border-radius: 4px; }

/* ──── SECTION HEADERS ──── */
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag    { display: inline-block; color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 8px; }
.section-title  { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.section-subtitle { color: var(--gray-500); max-width: 500px; margin: 0 auto; }
.divider        { width: 56px; height: 3px; background: var(--accent); border-radius: 4px; margin: 12px auto 0; }

/* ──── PRODUCT CARDS ──── */
.product-grid   { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.product-card   { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--gray-100); }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/5; background: var(--gray-50); }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-img-wrap img { transform: scale(1.06); }
.product-badge  { position: absolute; top: 10px; left: 10px; }
.product-actions { position: absolute; top: 10px; right: 10px; display: flex; flex-direction: column; gap: 8px; opacity: 0; transform: translateX(10px); transition: var(--transition); }
.product-card:hover .product-actions { opacity: 1; transform: translateX(0); }
.product-action-btn {
  width: 36px; height: 36px; background: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.12); color: var(--gray-600); transition: var(--transition);
}
.product-action-btn:hover { background: var(--accent); color: #fff; transform: scale(1.1); }
.product-action-btn.active { background: var(--accent); color: #fff; }
.product-quick-add {
  position: absolute; bottom: 0; left: 0; right: 0; background: var(--primary); color: #fff;
  text-align: center; padding: 10px; font-size: 13px; font-weight: 600;
  transform: translateY(100%); transition: var(--transition);
}
.product-card:hover .product-quick-add { transform: translateY(0); }
.product-info   { padding: 16px; }
.product-brand  { font-size: 11px; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: .5px; }
.product-name   { font-size: 14px; font-weight: 600; color: var(--gray-800); margin: 4px 0 8px; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.product-rating { display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.stars          { display: flex; color: var(--gold); font-size: 13px; }
.rating-count   { font-size: 12px; color: var(--gray-400); }
.product-price  { display: flex; align-items: center; gap: 8px; }
.price-current  { font-size: 18px; font-weight: 800; color: var(--primary); }
.price-original { font-size: 13px; color: var(--gray-400); text-decoration: line-through; }
.price-discount { font-size: 12px; color: var(--accent); font-weight: 600; }
.product-sizes  { display: flex; gap: 4px; margin-top: 10px; }
.size-chip      { padding: 3px 8px; font-size: 11px; border: 1px solid var(--gray-200); border-radius: 4px; color: var(--gray-500); }

/* ──── CATEGORY CARDS ──── */
.cat-grid       { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px; }
.cat-card       { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1; position: relative; cursor: pointer; }
.cat-card-img   { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.cat-card:hover .cat-card-img { transform: scale(1.08); }
.cat-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%); }
.cat-card-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 16px 14px 12px; color: #fff; }
.cat-card-label h3 { font-size: 15px; font-weight: 700; }
.cat-card-label p  { font-size: 11px; color: rgba(255,255,255,.7); }

/* ──── BANNERS ──── */
.promo-grid     { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.promo-banner   { border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 200px; }
.promo-banner-img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.promo-content  { position: relative; z-index: 2; padding: 32px 28px; }
.promo-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,0,0,.6), rgba(0,0,0,.2)); z-index: 1; }

/* ──── PRODUCT DETAIL PAGE ──── */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-gallery { position: sticky; top: 80px; }
.gallery-main   { aspect-ratio: 1; border-radius: var(--radius-lg); overflow: hidden; background: var(--gray-50); margin-bottom: 12px; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; }
.gallery-thumb  { width: 80px; height: 80px; border-radius: var(--radius); overflow: hidden; cursor: pointer; border: 2px solid transparent; flex-shrink: 0; }
.gallery-thumb.active { border-color: var(--primary); }
.gallery-thumb img    { width: 100%; height: 100%; object-fit: cover; }
.product-detail-info h1 { font-size: 1.8rem; margin-bottom: 12px; }
.product-breadcrumb { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--gray-400); margin-bottom: 16px; }
.product-breadcrumb a:hover { color: var(--accent); }
.product-meta   { display: flex; gap: 20px; align-items: center; margin: 12px 0; }
.in-stock       { color: var(--success); font-size: 13px; font-weight: 600; }
.out-stock      { color: var(--danger); font-size: 13px; font-weight: 600; }
.product-price-large { margin: 16px 0; }
.product-price-large .price-current { font-size: 2rem; }
.size-selector, .color-selector { margin: 16px 0; }
.size-selector h4, .color-selector h4 { font-size: 14px; margin-bottom: 10px; }
.size-options   { display: flex; gap: 10px; flex-wrap: wrap; }
.size-option    { padding: 8px 16px; border: 2px solid var(--gray-200); border-radius: var(--radius); font-size: 14px; cursor: pointer; transition: var(--transition); }
.size-option:hover, .size-option.selected { border-color: var(--primary); background: var(--primary); color: #fff; }
.size-option.unavailable { opacity: .4; cursor: not-allowed; text-decoration: line-through; }
.color-options  { display: flex; gap: 10px; flex-wrap: wrap; }
.color-option   { width: 32px; height: 32px; border-radius: 50%; cursor: pointer; border: 3px solid transparent; transition: var(--transition); }
.color-option:hover, .color-option.selected { border-color: var(--primary); transform: scale(1.15); }
.qty-selector   { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--gray-300); border-radius: var(--radius); overflow: hidden; width: fit-content; }
.qty-btn        { width: 40px; height: 44px; font-size: 18px; display: flex; align-items: center; justify-content: center; color: var(--gray-700); transition: var(--transition); }
.qty-btn:hover  { background: var(--gray-100); }
.qty-input      { width: 60px; height: 44px; text-align: center; border: none; font-size: 16px; font-weight: 600; border-left: 1.5px solid var(--gray-300); border-right: 1.5px solid var(--gray-300); }
.qty-input:focus { outline: none; }
.add-to-cart-row { display: flex; gap: 12px; align-items: center; margin-top: 24px; flex-wrap: wrap; }
.product-tabs   { margin-top: 40px; }
.tab-nav        { display: flex; border-bottom: 2px solid var(--gray-200); gap: 0; }
.tab-btn        { padding: 12px 24px; font-size: 14px; font-weight: 600; color: var(--gray-500); border-bottom: 3px solid transparent; margin-bottom: -2px; transition: var(--transition); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content    { padding: 24px 0; display: none; }
.tab-content.active { display: block; }

/* ──── CART PAGE ──── */
.cart-grid      { display: grid; grid-template-columns: 1fr 360px; gap: 32px; align-items: start; }
.cart-table     { width: 100%; border-collapse: collapse; }
.cart-table th  { padding: 12px 16px; text-align: left; font-size: 13px; color: var(--gray-500); font-weight: 600; border-bottom: 1px solid var(--gray-200); }
.cart-table td  { padding: 16px; border-bottom: 1px solid var(--gray-100); vertical-align: middle; }
.cart-product   { display: flex; gap: 14px; align-items: center; }
.cart-product-img { width: 72px; height: 90px; border-radius: var(--radius); object-fit: cover; flex-shrink: 0; }
.cart-product-info h4 { font-size: 14px; font-weight: 600; }
.cart-product-info p  { font-size: 12px; color: var(--gray-400); }
.cart-remove    { color: var(--danger); font-size: 18px; cursor: pointer; transition: var(--transition); }
.cart-remove:hover { transform: scale(1.2); }
.cart-summary-card { background: var(--gray-50); border-radius: var(--radius-lg); padding: 24px; border: 1px solid var(--gray-200); position: sticky; top: 80px; }
.cart-summary-row  { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; }
.cart-summary-row.total { padding-top: 12px; border-top: 2px solid var(--gray-200); font-size: 1.2rem; font-weight: 700; color: var(--primary); }
.coupon-input   { display: flex; gap: 10px; margin-bottom: 16px; }

/* ──── ORDER PAGE ──── */
.order-card     { background: #fff; border: 1px solid var(--gray-200); border-radius: var(--radius-lg); margin-bottom: 16px; overflow: hidden; }
.order-card-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; background: var(--gray-50); border-bottom: 1px solid var(--gray-200); }
.order-card-body   { padding: 20px; }
.order-timeline { position: relative; padding-left: 24px; }
.order-timeline-item { position: relative; padding-bottom: 20px; }
.order-timeline-item::before { content: ''; position: absolute; left: -24px; top: 4px; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--gray-300); background: #fff; z-index: 1; }
.order-timeline-item.done::before { border-color: var(--success); background: var(--success); }
.order-timeline-item.active::before { border-color: var(--primary); background: var(--primary); }
.order-timeline::before { content: ''; position: absolute; left: -19px; top: 0; bottom: 0; width: 2px; background: var(--gray-200); }

/* ──── AUTH PAGES ──── */
.auth-page      { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-visual    { background: linear-gradient(135deg, var(--primary) 0%, #0f3460 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 40px; color: #fff; position: relative; overflow: hidden; }
.auth-visual::after { content: '🧵'; position: absolute; font-size: 300px; opacity: .05; bottom: -60px; right: -40px; }
.auth-visual h2 { font-size: 2rem; margin-bottom: 16px; }
.auth-visual p  { color: rgba(255,255,255,.8); max-width: 360px; text-align: center; line-height: 1.8; }
.auth-feature-list { margin-top: 32px; display: flex; flex-direction: column; gap: 14px; }
.auth-feature   { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.9); font-size: 14px; }
.auth-feature::before { content: '✓'; width: 24px; height: 24px; background: rgba(255,255,255,.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.auth-form-wrap { display: flex; align-items: center; justify-content: center; padding: 40px; overflow-y: auto; }
.auth-form-inner { width: 100%; max-width: 440px; }
.auth-header    { margin-bottom: 32px; }
.auth-header h1 { font-size: 1.8rem; margin-bottom: 8px; }
.auth-header p  { color: var(--gray-500); }
.auth-divider   { display: flex; align-items: center; gap: 14px; margin: 20px 0; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--gray-200); }
.auth-divider span { font-size: 13px; color: var(--gray-400); }
.auth-link      { color: var(--accent); font-weight: 600; }
.auth-link:hover { text-decoration: underline; }

/* ──── ADMIN PANEL ──── */
.admin-layout   { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.admin-sidebar  { background: var(--primary); color: #fff; position: fixed; left: 0; top: 0; bottom: 0; width: 260px; overflow-y: auto; z-index: 100; transition: var(--transition); }
.admin-sidebar.collapsed { width: 68px; }
.admin-logo     { padding: 20px; border-bottom: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; gap: 12px; }
.admin-logo h2  { font-size: 1rem; white-space: nowrap; overflow: hidden; }
.admin-logo span { color: var(--gold); }
.admin-nav      { padding: 12px 0; }
.admin-nav-section { padding: 8px 20px 4px; font-size: 10px; font-weight: 600; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: 1px; white-space: nowrap; overflow: hidden; }
.admin-nav-link { display: flex; align-items: center; gap: 12px; padding: 11px 20px; color: rgba(255,255,255,.75); font-size: 14px; font-weight: 500; transition: var(--transition); border-left: 3px solid transparent; white-space: nowrap; }
.admin-nav-link:hover, .admin-nav-link.active { color: #fff; background: rgba(255,255,255,.08); border-left-color: var(--gold); }
.admin-nav-link svg { width: 20px; height: 20px; flex-shrink: 0; }
.admin-nav-link span { overflow: hidden; white-space: nowrap; }
.admin-main     { margin-left: 260px; transition: var(--transition); }
.admin-topbar   { background: #fff; padding: 14px 28px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.admin-content  { padding: 28px; }
.stat-cards     { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 28px; }
.stat-card      { background: #fff; border-radius: var(--radius-lg); padding: 24px; border: 1px solid var(--gray-200); position: relative; overflow: hidden; }
.stat-card-icon { width: 52px; height: 52px; border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.stat-card-value { font-size: 2rem; font-weight: 800; color: var(--gray-900); margin-bottom: 4px; }
.stat-card-label { font-size: 14px; color: var(--gray-500); }
.stat-card-trend { display: flex; align-items: center; gap: 4px; font-size: 13px; margin-top: 8px; }
.stat-card-trend.up   { color: var(--success); }
.stat-card-trend.down { color: var(--danger); }
.stat-card::after { content: ''; position: absolute; top: -20px; right: -20px; width: 100px; height: 100px; border-radius: 50%; opacity: .06; }
.stat-card.blue   .stat-card-icon  { background: #dbeafe; color: var(--info); }
.stat-card.blue::after             { background: var(--info); }
.stat-card.green  .stat-card-icon  { background: #d1fae5; color: var(--success); }
.stat-card.green::after            { background: var(--success); }
.stat-card.orange .stat-card-icon  { background: #fef3c7; color: var(--warning); }
.stat-card.orange::after           { background: var(--warning); }
.stat-card.red    .stat-card-icon  { background: #fee2e2; color: var(--danger); }
.stat-card.red::after              { background: var(--danger); }
.admin-table-card  { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--gray-200); overflow: hidden; }
.admin-table-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--gray-200); }
.admin-table    { width: 100%; border-collapse: collapse; }
.admin-table th { padding: 12px 16px; text-align: left; font-size: 12px; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--gray-200); background: var(--gray-50); }
.admin-table td { padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--gray-100); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--gray-50); }
.user-avatar    { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: var(--gray-200); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary); font-size: 14px; }
.admin-filter-bar { display: flex; gap: 12px; flex-wrap: wrap; padding: 16px 20px; border-bottom: 1px solid var(--gray-200); }
.admin-filter-bar .form-control { max-width: 220px; padding: 8px 12px; font-size: 13px; }
.admin-actions  { display: flex; gap: 8px; align-items: center; }
.admin-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 900; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: var(--transition); }
.admin-modal-overlay.active { opacity: 1; visibility: visible; }
.admin-modal    { background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 600px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); transform: scale(.95); transition: var(--transition); }
.admin-modal-overlay.active .admin-modal { transform: scale(1); }
.admin-modal-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-200); display: flex; align-items: center; justify-content: space-between; }
.admin-modal-body   { padding: 24px; }
.admin-modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 12px; }
.image-upload-area  { border: 2px dashed var(--gray-300); border-radius: var(--radius-lg); padding: 40px 20px; text-align: center; cursor: pointer; transition: var(--transition); }
.image-upload-area:hover { border-color: var(--primary); background: var(--gray-50); }
.image-upload-area.drag-over { border-color: var(--accent); background: #fff5f5; }
.image-preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; margin-top: 16px; }
.image-preview-item { position: relative; aspect-ratio: 1; }
.image-preview-item img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.image-preview-remove { position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; background: var(--danger); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; cursor: pointer; }

/* ──── FOOTER ──── */
.footer         { background: var(--primary); color: rgba(255,255,255,.8); margin-top: auto; }
.footer-main    { padding: 64px 0 40px; }
.footer-grid    { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-brand h3 { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand h3 span { color: var(--gold); }
.footer-brand p  { font-size: 14px; line-height: 1.8; }
.footer-social  { display: flex; gap: 10px; margin-top: 20px; }
.social-btn     { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,.8); transition: var(--transition); font-size: 16px; }
.social-btn:hover { background: var(--accent); color: #fff; }
.footer-col h4  { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .5px; }
.footer-links   { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,.7); transition: var(--transition); }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-newsletter input { width: 100%; padding: 10px 14px; border-radius: var(--radius) 0 0 var(--radius); border: none; font-size: 14px; }
.footer-newsletter { display: flex; margin-top: 14px; }
.footer-newsletter button { padding: 10px 18px; background: var(--accent); color: #fff; border-radius: 0 var(--radius) var(--radius) 0; font-weight: 600; white-space: nowrap; }
.footer-bottom  { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; font-size: 13px; }
.payment-badges { display: flex; gap: 10px; align-items: center; }
.payment-badge  { background: rgba(255,255,255,.1); padding: 4px 10px; border-radius: 4px; font-size: 11px; color: rgba(255,255,255,.7); }

/* ──── TOAST NOTIFICATIONS ──── */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.toast          { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: var(--radius-lg); padding: 14px 18px; box-shadow: var(--shadow-lg); border-left: 4px solid; min-width: 300px; transform: translateX(120%); transition: transform .3s ease; pointer-events: all; }
.toast.show     { transform: translateX(0); }
.toast-success  { border-color: var(--success); }
.toast-danger   { border-color: var(--danger); }
.toast-warning  { border-color: var(--warning); }
.toast-info     { border-color: var(--info); }
.toast-icon     { font-size: 20px; }
.toast-msg      { flex: 1; font-size: 14px; font-weight: 500; color: var(--gray-800); }
.toast-close    { color: var(--gray-400); font-size: 18px; cursor: pointer; }

/* ──── LOADING STATES ──── */
.spinner        { width: 24px; height: 24px; border: 3px solid var(--gray-200); border-top-color: var(--primary); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
.spinner-sm     { width: 16px; height: 16px; border-width: 2px; }
@keyframes spin { to { transform: rotate(360deg); } }
.skeleton       { background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius); }
@keyframes shimmer { to { background-position: -200% 0; } }
.btn .spinner-sm { border-color: rgba(255,255,255,.3); border-top-color: #fff; }
.page-loader    { position: fixed; inset: 0; background: #fff; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.page-loader.hidden { opacity: 0; pointer-events: none; transition: opacity .3s; }

/* ──── MISC COMPONENTS ──── */
.breadcrumb     { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--gray-400); margin-bottom: 24px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--gray-300); }
.chip           { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; background: var(--gray-100); border-radius: 20px; font-size: 13px; }
.empty-state    { text-align: center; padding: 80px 20px; color: var(--gray-400); }
.empty-state .empty-icon { font-size: 64px; margin-bottom: 16px; }
.empty-state h3 { color: var(--gray-600); margin-bottom: 8px; }
.profile-card   { background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--gray-200); padding: 28px; margin-bottom: 20px; }
.profile-header { display: flex; gap: 20px; align-items: center; margin-bottom: 24px; }
.profile-avatar { width: 80px; height: 80px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary); }
.profile-avatar-placeholder { width: 80px; height: 80px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 2rem; font-weight: 700; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.rating-input   { display: flex; gap: 4px; }
.rating-input label { font-size: 28px; color: var(--gray-200); cursor: pointer; transition: var(--transition); }
.rating-input input { display: none; }
.rating-input label:hover,
.rating-input input:checked ~ label { color: var(--gold); }

/* ──── RESPONSIVE ──── */
@media (max-width: 1200px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-detail-grid { gap: 28px; }
}

@media (max-width: 1024px) {
  .admin-sidebar { width: 220px; }
  .admin-main    { margin-left: 220px; }
  .cart-grid     { grid-template-columns: 1fr; }
  .cart-summary-card { position: static; }
}

@media (max-width: 900px) {
  .auth-page     { grid-template-columns: 1fr; }
  .auth-visual   { display: none; }
  .product-detail-grid { grid-template-columns: 1fr; }
  .admin-layout  { grid-template-columns: 1fr; }
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main    { margin-left: 0; }
}

@media (max-width: 768px) {
  .section       { padding: 40px 0; }
  .hero-slide    { min-height: 360px; }
  .hero-title    { font-size: 2rem; }
  .footer-grid   { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .navbar-search { display: none; }
  .hamburger     { display: flex; }
  .product-grid  { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .otp-inputs input { width: 44px; height: 52px; font-size: 20px; }
  .stat-cards    { grid-template-columns: 1fr 1fr; }
  .admin-filter-bar .form-control { max-width: 100%; }
}

@media (max-width: 480px) {
  .container     { padding: 0 14px; }
  .hero-actions  { flex-direction: column; }
  .product-grid  { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-cards    { grid-template-columns: 1fr; }
  .otp-inputs    { gap: 8px; }
  .otp-inputs input { width: 40px; height: 48px; font-size: 18px; }
  .admin-content { padding: 16px; }
  .add-to-cart-row { flex-direction: column; width: 100%; }
  .add-to-cart-row .btn { width: 100%; }
}

/* ──── DARK MODE SUPPORT ──── */
@media (prefers-color-scheme: dark) {
  /* Opt-in by adding class="dark-mode" to body */
}
.dark-mode { --gray-50: #1a1a2e; --gray-100: #16213e; }

/* ──── SCROLLBAR ──── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }

/* ──── PRINT ──── */
@media print {
  .navbar, .footer, .admin-sidebar, .admin-topbar, .btn, .toast-container { display: none !important; }
  .admin-main { margin-left: 0 !important; }
}