/* ============================================================
   duc anh Shop — Main CSS Design System
   Brand: duc anh | TikTok: iloveishowspeed67
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---- CSS Variables / Design Tokens ---- */
:root {
  /* Brand Colors */
  --primary:          #6366f1;
  --primary-dark:     #4f46e5;
  --primary-light:    #818cf8;
  --primary-glow:     rgba(99, 102, 241, 0.35);

  --accent:           #06b6d4;
  --accent-dark:      #0891b2;

  --success:          #10b981;
  --warning:          #f59e0b;
  --danger:           #ef4444;
  --info:             #3b82f6;

  /* Dark Theme Backgrounds */
  --bg-base:          #0a0a0f;
  --bg-surface:       #111118;
  --bg-card:          #16161f;
  --bg-card-hover:    #1c1c28;
  --bg-sidebar:       #0d0d15;
  --bg-topbar:        rgba(13, 13, 21, 0.92);
  --bg-input:         #1a1a26;
  --bg-modal:         #13131c;

  /* Borders */
  --border:           rgba(255,255,255,0.06);
  --border-active:    rgba(99,102,241,0.4);
  --border-card:      rgba(255,255,255,0.05);

  /* Text */
  --text-primary:     #f0f0ff;
  --text-secondary:   #94a3b8;
  --text-muted:       #475569;
  --text-accent:      #818cf8;

  /* Sidebar */
  --sidebar-width:    260px;
  --sidebar-width-sm: 72px;
  --topbar-height:    64px;

  /* Shadows */
  --shadow-sm:        0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:        0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:        0 8px 40px rgba(0,0,0,0.6);
  --shadow-primary:   0 4px 24px rgba(99,102,241,0.3);

  /* Radius */
  --radius-sm:        6px;
  --radius-md:        12px;
  --radius-lg:        18px;
  --radius-xl:        24px;
  --radius-pill:      999px;

  /* Transitions */
  --transition:       0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce:0.3s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Glassmorphism */
  --glass-bg:         rgba(255,255,255,0.04);
  --glass-border:     rgba(255,255,255,0.08);
  --glass-blur:       blur(20px);
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Space Grotesk', sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--border-active); border-radius: var(--radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ============================================================
   LAYOUT: App Shell (Sidebar + Topbar + Content)
   ============================================================ */

#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ---- SIDEBAR ---- */
.pc-sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 200;
  transition: width var(--transition), transform var(--transition);
  overflow: hidden;
}

.pc-sidebar .sidebar-brand {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-primary);
}

.sidebar-logo .logo-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.5px;
}

/* Logo Z styling */
.logo-z {
  font-family: 'Space Grotesk', 'Inter', sans-serif !important;
  font-weight: 800 !important;
  color: #00d2ff !important;
  text-shadow: 0 0 8px rgba(0, 210, 255, 0.7), 0 0 20px rgba(0, 210, 255, 0.4);
  background: linear-gradient(135deg, #09090e, #131322) !important;
  border: 1.5px solid rgba(0, 210, 255, 0.5) !important;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3), inset 0 0 8px rgba(0, 210, 255, 0.1) !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  user-select: none;
  transition: all var(--transition) !important;
}

.logo-z:hover {
  border-color: #00d2ff !important;
  box-shadow: 0 4px 20px rgba(0, 210, 255, 0.6), inset 0 0 12px rgba(0, 210, 255, 0.2) !important;
  transform: scale(1.05) rotate(5deg);
}

/* Sidebar Nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 12px 0;
}

.nav-section-label {
  padding: 14px 20px 6px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
}

.nav-item {
  padding: 0 10px;
  margin-bottom: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  user-select: none;
}

.nav-link:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(6,182,212,0.1));
  color: var(--primary-light);
  border: 1px solid var(--border-active);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}

.nav-icon {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.nav-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-arrow {
  font-size: 0.75rem;
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--text-muted);
}

.nav-item.open > .nav-link .nav-arrow {
  transform: rotate(90deg);
}

/* Submenu */
.nav-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding-left: 8px;
}

.nav-item.open > .nav-submenu {
  max-height: 500px;
}

.nav-submenu .nav-link {
  font-size: 0.85rem;
  padding: 8px 12px;
  color: var(--text-muted);
}

.nav-submenu .nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}

.nav-submenu .nav-link.active {
  color: var(--primary-light);
}

/* Sidebar badge */
.nav-badge {
  background: var(--primary);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
}

/* Sidebar footer (user card) */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px;
  flex-shrink: 0;
}

.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
}

.sidebar-user-card:hover {
  background: var(--glass-bg);
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-user-info {
  flex: 1;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar-username {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-balance {
  font-size: 0.72rem;
  color: var(--success);
  font-weight: 600;
}

/* ============================================================
   TOPBAR
   ============================================================ */

.pc-header {
  position: fixed;
  top: 0;
  left: var(--sidebar-width);
  right: 0;
  height: var(--topbar-height);
  background: var(--bg-topbar);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
  transition: left var(--transition);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.topbar-toggle {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
  border: 1px solid var(--border);
}

.topbar-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.topbar-page-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-balance-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--success);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.topbar-balance-chip:hover {
  background: rgba(16,185,129,0.2);
  transform: translateY(-1px);
}

.topbar-btn {
  width: 38px;
  height: 38px;
  border: none;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}

.topbar-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* Avatar dropdown */
.topbar-avatar-wrap {
  position: relative;
}

.topbar-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  cursor: pointer;
  border: 2px solid var(--border-active);
  transition: all var(--transition);
  overflow: hidden;
}

.topbar-avatar:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

.avatar-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 210px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all var(--transition);
  z-index: 500;
  overflow: hidden;
}

.avatar-dropdown.open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.dropdown-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.dropdown-username {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.dropdown-email {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.dropdown-item:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.dropdown-item.danger:hover {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */

.pc-container {
  margin-left: var(--sidebar-width);
  margin-top: var(--topbar-height);
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: calc(100vh - var(--topbar-height));
  transition: margin-left var(--transition);
}

.pc-content {
  padding: 24px;
  max-width: 1400px;
}

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

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

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 20px;
}

/* Stat Cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition-bounce);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-icon.purple  { background: rgba(99,102,241,0.15);  color: var(--primary-light); }
.stat-icon.cyan    { background: rgba(6,182,212,0.15);   color: var(--accent); }
.stat-icon.green   { background: rgba(16,185,129,0.15);  color: var(--success); }
.stat-icon.amber   { background: rgba(245,158,11,0.15);  color: var(--warning); }
.stat-icon.red     { background: rgba(239,68,68,0.15);   color: var(--danger); }
.stat-icon.blue    { background: rgba(59,130,246,0.15);  color: var(--info); }

.stat-info {}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  font-family: 'Space Grotesk', sans-serif;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 3px;
  font-weight: 500;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,0.3);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99,102,241,0.45);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-active);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  box-shadow: 0 2px 12px rgba(16,185,129,0.3);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(16,185,129,0.4);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(239,68,68,0.4);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-active);
  color: var(--primary-light);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(99,102,241,0.1);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 12px 28px;
  font-size: 0.95rem;
}

.btn-full { width: 100%; justify-content: center; }

/* Loading spinner inside button */
.btn .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

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

.form-control:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

select.form-control {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-group .form-control {
  padding-left: 40px;
}

.input-group .input-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
  pointer-events: none;
}

/* ============================================================
   TABLES
   ============================================================ */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead tr {
  background: rgba(255,255,255,0.03);
}

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }

tbody tr:hover { background: rgba(255,255,255,0.02); }

tbody td {
  padding: 12px 16px;
  color: var(--text-secondary);
  vertical-align: middle;
}

tbody td:first-child { color: var(--text-primary); }

/* ============================================================
   BADGES / STATUS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge-success  { background: rgba(16,185,129,0.15);  color: #34d399; }
.badge-warning  { background: rgba(245,158,11,0.15);  color: #fbbf24; }
.badge-danger   { background: rgba(239,68,68,0.15);   color: #f87171; }
.badge-info     { background: rgba(59,130,246,0.15);  color: #60a5fa; }
.badge-primary  { background: rgba(99,102,241,0.15);  color: var(--primary-light); }
.badge-muted    { background: rgba(148,163,184,0.1);  color: var(--text-muted); }

/* ============================================================
   TOASTS / NOTIFICATIONS
   ============================================================ */

#toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  min-width: 300px;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: toastIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.toast::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
}

.toast.success::before { background: var(--success); }
.toast.error::before   { background: var(--danger); }
.toast.warning::before { background: var(--warning); }
.toast.info::before    { background: var(--info); }

.toast-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.toast.success .toast-icon { color: var(--success); }
.toast.error   .toast-icon { color: var(--danger); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info    .toast-icon { color: var(--info); }

.toast-content { flex: 1; }
.toast-title { font-weight: 700; font-size: 0.875rem; color: var(--text-primary); }
.toast-message { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--primary-light);
  animation: toastProgress 4s linear forwards;
}

.toast.hiding {
  animation: toastOut 0.25s ease forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}
@keyframes toastProgress {
  from { width: 100%; }
  to   { width: 0%; }
}

/* ============================================================
   PAGE HEADER
   ============================================================ */

.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.5px;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ============================================================
   LOADER / SKELETON
   ============================================================ */

.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-base);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  transition: opacity 0.4s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader-logo {
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.loader-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   MODALS
   ============================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px;
  min-width: 360px;
  max-width: 520px;
  width: 90%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.94) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

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

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Space Grotesk', sans-serif;
}

.modal-close {
  width: 30px;
  height: 30px;
  border: none;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--transition);
}

.modal-close:hover { background: var(--danger); color: #fff; }

/* ============================================================
   EMPTY STATE
   ============================================================ */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   SERVICE CARDS (Trang dịch vụ)
   ============================================================ */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(99,102,241,0.05));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--border-active);
  transform: translateY(-3px);
  box-shadow: var(--shadow-primary);
}

.service-card:hover::after { opacity: 1; }

.service-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99,102,241,0.15), rgba(6,182,212,0.1));
  border: 1px solid rgba(99,102,241,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.service-card-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.service-card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.5;
}

.service-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-light);
  font-family: 'Space Grotesk', sans-serif;
}

.service-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Dame Acc special card */
.dame-acc-card {
  background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(245,158,11,0.05));
  border-color: rgba(239,68,68,0.2);
}

.dame-acc-card:hover {
  border-color: rgba(239,68,68,0.4);
  box-shadow: 0 4px 24px rgba(239,68,68,0.2);
}

/* ============================================================
   TOPUP PAGE
   ============================================================ */

.topup-card {
  max-width: 520px;
  margin: 0 auto;
}

.topup-input-wrap {
  position: relative;
}

.topup-input-wrap .key-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--warning);
  font-size: 1.1rem;
}

.topup-input-wrap .form-control {
  padding-left: 44px;
  letter-spacing: 1px;
  font-family: 'Space Grotesk', monospace;
  font-size: 1rem;
  height: 50px;
  text-transform: uppercase;
}

/* ============================================================
   MOBILE BOTTOM NAV
   ============================================================ */

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(13,13,21,0.95);
  backdrop-filter: blur(20px);
  height: 70px;
  justify-content: space-around;
  align-items: center;
  border-radius: 24px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  z-index: 300;
  padding: 0 10px;
  border: 1px solid var(--border);
}

.mob-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-muted);
  flex: 1;
  text-decoration: none;
}

.mob-nav-item.active,
.mob-nav-item:hover {
  color: var(--primary-light);
}

.mob-nav-item .mob-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.mob-nav-item .mob-label {
  font-size: 0.65rem;
  font-weight: 600;
  white-space: nowrap;
}

/* Center nav button */
.mob-nav-center-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.mob-nav-center {
  position: absolute;
  top: -28px;
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(99,102,241,0.5);
  border: 3px solid var(--bg-base);
  color: #fff;
  font-size: 1.4rem;
  cursor: pointer;
  transition: all var(--transition-bounce);
  text-decoration: none;
}

.mob-nav-center:hover {
  transform: scale(1.1);
}

/* ============================================================
   SIDEBAR COLLAPSED STATE
   ============================================================ */

body.sidebar-collapsed .pc-sidebar {
  width: var(--sidebar-width-sm);
}

body.sidebar-collapsed .pc-header {
  left: var(--sidebar-width-sm);
}

body.sidebar-collapsed .pc-container {
  margin-left: var(--sidebar-width-sm);
}

body.sidebar-collapsed .nav-text,
body.sidebar-collapsed .nav-arrow,
body.sidebar-collapsed .nav-section-label,
body.sidebar-collapsed .sidebar-logo .logo-text,
body.sidebar-collapsed .sidebar-user-info {
  display: none;
}

body.sidebar-collapsed .nav-link {
  justify-content: center;
}

body.sidebar-collapsed .nav-submenu {
  display: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 991px) {
  .pc-sidebar {
    transform: translateX(-100%);
    z-index: 400;
  }

  .pc-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .pc-header {
    left: 0;
  }

  .pc-container {
    margin-left: 0;
    padding-bottom: 100px;
  }

  .mobile-bottom-nav {
    display: flex;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 350;
    backdrop-filter: blur(2px);
  }

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

@media (max-width: 575px) {
  .pc-content {
    padding: 16px;
  }

  .stat-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .stat-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

.fade-in { animation: fadeIn 0.4s ease; }
.slide-up { animation: slideUp 0.4s ease; }

/* Page content transition */
.page-content {
  animation: slideUp 0.3s ease;
}

/* ============================================================
   MISC UTILITIES
   ============================================================ */

.text-primary   { color: var(--primary-light) !important; }
.text-success   { color: var(--success) !important; }
.text-danger    { color: var(--danger) !important; }
.text-warning   { color: var(--warning) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-sm        { font-size: 0.8rem; }
.text-xs        { font-size: 0.72rem; }
.fw-bold        { font-weight: 700; }
.fw-semibold    { font-weight: 600; }

.d-flex        { display: flex; }
.align-center  { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8         { gap: 8px; }
.gap-12        { gap: 12px; }
.gap-16        { gap: 16px; }

.mt-8          { margin-top: 8px; }
.mt-16         { margin-top: 16px; }
.mt-24         { margin-top: 24px; }
.mb-8          { margin-bottom: 8px; }
.mb-16         { margin-bottom: 16px; }
.mb-24         { margin-bottom: 24px; }

.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.copy-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.copy-btn:hover { color: var(--primary-light); background: var(--glass-bg); }

/* Gradient text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   UI MOTION DESIGNER UPGRADES
   ============================================================ */

/* Hardware accelerated page transition */
@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(16px) translateZ(0);
  }
  to {
    opacity: 1;
    transform: translateY(0) translateZ(0);
  }
}

.page-content {
  animation: slideUpFade 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards !important;
  will-change: transform, opacity;
}

/* Smoother sidebar & main wrapper sizing transitions */
.pc-sidebar, .main-content-wrapper, .topbar {
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1), 
              margin-left 0.35s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.35s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

/* Card interactions */
.card {
  transition: border-color 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.28s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
  will-change: transform, box-shadow;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.35) !important;
}

/* Buttons micro-interactions */
.btn, .login-btn {
  position: relative;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 0.2s ease, 
              background-color 0.25s ease, 
              border-color 0.25s ease !important;
}

.btn:hover, .login-btn:hover {
  transform: translateY(-1.5px);
  box-shadow: var(--shadow-primary);
}

.btn:active, .login-btn:active {
  transform: scale(0.96) translateY(0);
}

/* Smooth active menu link indicators */
.nav-link {
  transition: background 0.22s ease, 
              color 0.22s ease, 
              padding-left 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.nav-link:hover {
  padding-left: 15px !important;
}

.nav-link:hover .nav-icon {
  transform: scale(1.18) rotate(3deg);
  color: var(--primary-light);
}

.nav-icon {
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), color 0.28s ease !important;
}

/* Text fields focus transition */
.form-control, .login-input {
  transition: border-color 0.25s ease, 
              box-shadow 0.25s ease, 
              background-color 0.25s ease !important;
}

.form-control:focus, .login-input:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
  background: rgba(255, 255, 255, 0.055) !important;
  outline: none;
}

/* Table rows smooth hover scale */
.table tbody tr {
  transition: background-color 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.table tbody tr:hover {
  background-color: rgba(255, 255, 255, 0.018) !important;
}

/* Skeleton loader shimmers */
.skeleton-loader {
  display: inline-block;
  height: 1em;
  position: relative;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  width: 100%;
}

.skeleton-loader::after {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  transform: translateX(-100%);
  background-image: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.03) 20%,
    rgba(255, 255, 255, 0.08) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  animation: shimmer 1.5s infinite;
  content: '';
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}