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

/* =========================================================================
   1. CSS Reset & Global Design Variables
   ========================================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-main: #060913;
  --bg-surface: #0a0f1d;
  --bg-card: rgba(13, 21, 39, 0.75);
  --bg-card-hover: rgba(18, 29, 54, 0.85);
  --bg-card-solid: #0d1527;
  --bg-sidebar: #080c18;
  --bg-header: rgba(8, 12, 24, 0.88);
  --bg-input: rgba(15, 23, 42, 0.65);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-muted: #475569;
  
  --cyan: #00e5ff;
  --cyan-dim: #00b8d4;
  --cyan-glow: rgba(0, 229, 255, 0.35);
  --cyan-border: rgba(0, 229, 255, 0.25);
  --cyan-bg: rgba(0, 229, 255, 0.08);

  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.35);
  --emerald-border: rgba(16, 185, 129, 0.25);
  --emerald-bg: rgba(16, 185, 129, 0.08);

  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.35);
  --purple-border: rgba(168, 85, 247, 0.25);
  --purple-bg: rgba(168, 85, 247, 0.08);

  --amber: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.35);
  --amber-border: rgba(245, 158, 11, 0.25);
  --amber-bg: rgba(245, 158, 11, 0.08);

  --rose: #f43f5e;
  --rose-glow: rgba(244, 63, 94, 0.35);
  --rose-border: rgba(244, 63, 94, 0.25);
  --rose-bg: rgba(244, 63, 94, 0.08);

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(255, 255, 255, 0.22);
  
  --sidebar-width: 260px;
  --header-height: 68px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace, Consolas;
}

html, body {
  min-height: 100%;
  font-family: var(--font-sans);
  background: var(--bg-main);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  overflow-x: hidden;
}

body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(0, 229, 255, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 229, 255, 0.4);
}

/* =========================================================================
   2. App Layout (PC & Mobile Grid)
   ========================================================================= */
.app-layout, .admin-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* Sidebar Styles */
.sidebar, .admin-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 12px 0 35px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
}

.sidebar-header {
  padding: 20px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.brand-icon, .brand-icon-admin {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0052d4 0%, #4364f7 50%, #6fb1fc 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--cyan-glow);
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.brand-icon-admin {
  background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 50%, #c084fc 100%);
  box-shadow: 0 4px 20px var(--purple-glow);
}

.brand-text {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--purple);
  font-weight: 800;
  margin-top: 1px;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-group-label {
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-tertiary);
}

.sidebar-menu, .admin-nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.sidebar-menu-item, .admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
  border: 1px solid transparent;
}

.sidebar-menu-item svg, .admin-nav-item svg {
  flex-shrink: 0;
  transition: transform 0.2s ease, stroke 0.2s ease;
}

.sidebar-menu-item:hover, .admin-nav-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
  transform: translateX(4px);
  border-color: rgba(255, 255, 255, 0.08);
}

.sidebar-menu-item:hover svg, .admin-nav-item:hover svg {
  stroke: var(--cyan);
}

.sidebar-menu-item.active, .admin-nav-item.active {
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.14) 0%, rgba(0, 229, 255, 0.02) 100%);
  color: var(--cyan);
  font-weight: 700;
  border: 1px solid var(--cyan-border);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.sidebar-menu-item.active svg, .admin-nav-item.active svg {
  stroke: var(--cyan);
}

.admin-sidebar .sidebar-menu-item.active, .admin-sidebar .admin-nav-item.active {
  background: linear-gradient(90deg, rgba(168, 85, 247, 0.16) 0%, rgba(168, 85, 247, 0.02) 100%);
  color: #c084fc;
  border-color: var(--purple-border);
  box-shadow: inset 3px 0 0 #a855f7;
}

.admin-sidebar .sidebar-menu-item.active svg, .admin-sidebar .admin-nav-item.active svg {
  stroke: #c084fc;
}

.admin-badge-count {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 20px;
  background: var(--amber-bg);
  border: 1px solid var(--amber-border);
  color: var(--amber);
  font-size: 11px;
  font-weight: 800;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.3);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px var(--emerald-glow);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-username {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  font-weight: 600;
}

.sidebar-logout-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: var(--rose);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.sidebar-logout-btn:hover {
  background: var(--rose);
  color: #fff;
  box-shadow: 0 0 15px var(--rose-glow);
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.sidebar-overlay.show {
  display: block;
  opacity: 1;
}

/* =========================================================================
   3. Main Wrapper, Header Bar & Page Container
   ========================================================================= */
.main-content, .admin-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin-left: var(--sidebar-width);
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  width: calc(100% - var(--sidebar-width));
}

.header-bar {
  height: var(--header-height);
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: none; /* Desktop hidden */
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.header-title-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 30px;
  background: var(--cyan-bg);
  border: 1px solid var(--cyan-border);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.wallet-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 30px;
  background: var(--emerald-bg);
  border: 1px solid var(--emerald-border);
  color: var(--emerald);
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 4px 15px var(--emerald-glow);
  text-decoration: none;
  transition: all 0.2s ease;
}

.wallet-badge:hover {
  background: rgba(16, 185, 129, 0.15);
  transform: translateY(-1px);
}

.btn-header-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 30px;
  background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 4px 15px var(--cyan-glow);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-header-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--cyan-glow);
}

.page-content {
  flex: 1;
  padding: 28px 24px;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

/* =========================================================================
   4. Cards, Glassmorphism & UI Components
   ========================================================================= */
.card, .glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.glass-card:hover {
  border-color: var(--border-hover);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
}

.card-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--cyan);
  border-radius: 4px 0 0 4px;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-border);
  box-shadow: 0 12px 30px var(--cyan-glow);
}

.stat-card.stat-emerald::before { background: var(--emerald); }
.stat-card.stat-emerald:hover { border-color: var(--emerald-border); box-shadow: 0 12px 30px var(--emerald-glow); }

.stat-card.stat-purple::before { background: var(--purple); }
.stat-card.stat-purple:hover { border-color: var(--purple-border); box-shadow: 0 12px 30px var(--purple-glow); }

.stat-card.stat-amber::before { background: var(--amber); }
.stat-card.stat-amber:hover { border-color: var(--amber-border); box-shadow: 0 12px 30px var(--amber-glow); }

.stat-card.stat-rose::before { background: var(--rose); }
.stat-card.stat-rose:hover { border-color: var(--rose-border); box-shadow: 0 12px 30px var(--rose-glow); }

.stat-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--cyan-bg);
  border: 1px solid var(--cyan-border);
  color: var(--cyan);
}

.stat-emerald .stat-icon-wrapper { background: var(--emerald-bg); border-color: var(--emerald-border); color: var(--emerald); }
.stat-purple .stat-icon-wrapper { background: var(--purple-bg); border-color: var(--purple-border); color: var(--purple); }
.stat-amber .stat-icon-wrapper { background: var(--amber-bg); border-color: var(--amber-border); color: var(--amber); }
.stat-rose .stat-icon-wrapper { background: var(--rose-bg); border-color: var(--rose-border); color: var(--rose); }

.stat-info {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

/* =========================================================================
   5. Category Selector Hero Cards (Storefront)
   ========================================================================= */
.categories-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}

.category-hero-card {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  background: linear-gradient(160deg, rgba(13, 21, 39, 0.9) 0%, rgba(9, 14, 28, 0.95) 100%);
  border: 1.5px solid var(--border-card);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.category-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-hero-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-border);
  box-shadow: 0 20px 45px var(--cyan-glow);
}

.category-hero-card:hover::before {
  opacity: 1;
}

.category-hero-card.cat-pc {
  border-color: rgba(168, 85, 247, 0.25);
}
.category-hero-card.cat-pc::before {
  background: linear-gradient(90deg, transparent, var(--purple), transparent);
}
.category-hero-card.cat-pc:hover {
  border-color: var(--purple);
  box-shadow: 0 20px 45px var(--purple-glow);
}

.category-hero-card.cat-others {
  border-color: rgba(245, 158, 11, 0.25);
}
.category-hero-card.cat-others::before {
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}
.category-hero-card.cat-others:hover {
  border-color: var(--amber);
  box-shadow: 0 20px 45px var(--amber-glow);
}

.cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.cat-icon-badge {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  background: var(--cyan-bg);
  border: 1.5px solid var(--cyan-border);
  box-shadow: 0 6px 20px var(--cyan-glow);
}

.cat-pc .cat-icon-badge {
  background: var(--purple-bg);
  border-color: var(--purple-border);
  box-shadow: 0 6px 20px var(--purple-glow);
}

.cat-others .cat-icon-badge {
  background: var(--amber-bg);
  border-color: var(--amber-border);
  box-shadow: 0 6px 20px var(--amber-glow);
}

.cat-pill {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--cyan-bg);
  border: 1px solid var(--cyan-border);
  color: var(--cyan);
}

.cat-pc .cat-pill {
  background: var(--purple-bg);
  border-color: var(--purple-border);
  color: var(--purple);
}

.cat-others .cat-pill {
  background: var(--amber-bg);
  border-color: var(--amber-border);
  color: var(--amber);
}

.cat-title {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.cat-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cat-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cyan);
}

.cat-pc .cat-footer { color: var(--purple); }
.cat-others .cat-footer { color: var(--amber); }

/* =========================================================================
   6. Product Cards & Video Preview
   ========================================================================= */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}

.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1.5px solid var(--border-card);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-border);
  box-shadow: 0 16px 40px var(--cyan-glow);
}

.product-media-wrap {
  position: relative;
  background: #000;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16/9;
}

.product-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6, 9, 19, 0.8) 0%, transparent 60%);
  pointer-events: none;
}

.video-play-btn {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
}

.video-play-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 9, 19, 0.65);
  backdrop-filter: blur(8px);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 20px var(--cyan-glow);
  color: #fff;
  transition: all 0.25s ease;
}

.video-play-btn:hover .video-play-icon-box {
  transform: scale(1.1);
  background: var(--cyan);
  color: #000;
}

.product-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 16px;
}

.product-name {
  font-size: 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #fff;
  text-align: center;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: #cbd5e1;
}

.feature-pill-icon {
  color: var(--cyan);
  font-size: 14px;
  flex-shrink: 0;
}

.product-actions-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.btn-file-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  text-align: center;
}

.btn-file-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: var(--border-hover);
}

.btn-purchase-toggle {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #ec4899 100%);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px var(--purple-glow);
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-purchase-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(168, 85, 247, 0.5);
}

.tiers-dropdown {
  display: none;
  margin-top: 10px;
  flex-direction: column;
  gap: 8px;
}

.tier-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(124, 58, 237, 0.08);
  border: 1px solid rgba(124, 58, 237, 0.25);
}

.tier-label {
  font-size: 13px;
  font-weight: 600;
  color: #e2e8f0;
}

.tier-price-box {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tier-price {
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}

.btn-buy-tier {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, #7c3aed, #a855f7);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-buy-tier:hover {
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--purple-glow);
}

/* =========================================================================
   7. Forms, Inputs & Buttons
   ========================================================================= */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-field, .form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: #fff;
  background: var(--bg-input);
  border: 1.5px solid var(--border-card);
  outline: none;
  transition: all 0.25s ease;
}

.input-field::placeholder, .form-control::placeholder {
  color: var(--text-muted);
}

.input-field:focus, .form-control:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--cyan-glow);
  background: rgba(15, 23, 42, 0.9);
}

textarea.input-field {
  min-height: 100px;
  resize: vertical;
}

select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00b4d8 0%, #0077b6 100%);
  color: #fff;
  box-shadow: 0 4px 15px var(--cyan-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--cyan-glow);
}

.btn-success {
  background: linear-gradient(135deg, #059669 0%, #10b981 100%);
  color: #fff;
  box-shadow: 0 4px 15px var(--emerald-glow);
}
.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--emerald-glow);
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626 0%, #f43f5e 100%);
  color: #fff;
  box-shadow: 0 4px 15px var(--rose-glow);
}
.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--rose-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-card);
  color: #fff;
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-hover);
}

.btn-block {
  width: 100%;
}

/* =========================================================================
   8. Tables & Data Lists
   ========================================================================= */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.data-table th {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success { background: var(--emerald-bg); border: 1px solid var(--emerald-border); color: var(--emerald); }
.badge-danger { background: var(--rose-bg); border: 1px solid var(--rose-border); color: var(--rose); }
.badge-warning { background: var(--amber-bg); border: 1px solid var(--amber-border); color: var(--amber); }
.badge-info { background: var(--cyan-bg); border: 1px solid var(--cyan-border); color: var(--cyan); }
.badge-purple { background: var(--purple-bg); border: 1px solid var(--purple-border); color: var(--purple); }

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.alert-success { background: var(--emerald-bg); border: 1px solid var(--emerald-border); color: #34d399; }
.alert-error, .alert-danger { background: var(--rose-bg); border: 1px solid var(--rose-border); color: #fb7185; }
.alert-info { background: var(--cyan-bg); border: 1px solid var(--cyan-border); color: #38bdf8; }
.alert-warning { background: var(--amber-bg); border: 1px solid var(--amber-border); color: #fbbf24; }

/* =========================================================================
   9. Floating Telegram Button & Toasts
   ========================================================================= */
.telegram-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0088cc 0%, #00b4d8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 30px rgba(0, 180, 216, 0.45);
  z-index: 900;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.telegram-float:hover {
  transform: translateY(-5px) scale(1.08);
  box-shadow: 0 14px 35px rgba(0, 180, 216, 0.7);
}

.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: #0d1527;
  border: 1px solid var(--border-card);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 35px rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  animation: toastSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-success { border-color: var(--emerald-border); }
.toast-error { border-color: var(--rose-border); }
.toast-info { border-color: var(--cyan-border); }

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastSlideOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(20px); }
}

/* =========================================================================
   10. Mobile Responsiveness
   ========================================================================= */
@media (max-width: 900px) {
  .sidebar, .admin-sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open, .admin-sidebar.open {
    transform: translateX(0);
  }

  .main-content, .admin-main {
    margin-left: 0 !important;
    width: 100% !important;
  }

  .hamburger-btn {
    display: flex;
  }

  .page-content {
    padding: 18px 14px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .categories-hero-grid, .products-grid, .stats-grid {
    grid-template-columns: 1fr;
  }
}