/**
 * Avenger Pro — Cyber Design System
 * Pure Vanilla CSS: Dark Mode, Cyber-Ops Aesthetics, 100% Mobile/Tablet/Desktop Responsive
 */

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

:root {
  --bg-primary: #07090e;
  --bg-secondary: #0e121a;
  --bg-card: rgba(18, 23, 33, 0.75);
  --bg-card-hover: rgba(24, 31, 45, 0.85);
  --border: rgba(255, 255, 255, 0.08);
  --border-focus: #ef4444;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #ef4444;       /* Avenger Crimson */
  --primary-glow: rgba(239, 68, 68, 0.35);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;

  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 12px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-image: 
    radial-gradient(at 0% 0%, rgba(239, 68, 68, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(6, 182, 212, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

code, pre, .font-mono {
  font-family: 'JetBrains Mono', monospace;
}

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

/* ==========================================================
   LAYOUT: SIDEBAR & MAIN WRAPPER
   ========================================================== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-header {
  height: var(--header-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
}

.brand-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #991b1b);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 0 15px var(--primary-glow);
  color: #fff;
}

.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.12em;
}

.sidebar-user {
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.sidebar-user .user-name {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user .user-role-wrap {
  margin-top: 4px;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  opacity: 0.8;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.05));
  border-left: 3px solid var(--primary);
}

.nav-link.active svg {
  color: var(--primary);
  opacity: 1;
}

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #f87171;
  font-size: 12px;
  font-weight: 600;
}

/* ==========================================================
   MAIN CONTENT AREA
   ========================================================== */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--header-h);
  background: rgba(14, 18, 26, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.content-area {
  padding: 28px;
  flex: 1;
}

/* ==========================================================
   STAT CARDS
   ========================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(239, 68, 68, 0.3);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--primary)), transparent);
  opacity: 0.6;
}

.stat-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  margin: 6px 0 2px;
  letter-spacing: -0.02em;
}

.stat-sub {
  font-size: 11px;
  color: var(--text-dim);
}

/* ==========================================================
   CARDS & TABLES
   ========================================================== */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body {
  padding: 22px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

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

th {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

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

/* ==========================================================
   BADGES & CHIPS
   ========================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-admin       { background: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-controller  { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-master      { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.badge-superseller { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-seller      { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }

.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-muted       { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

/* ==========================================================
   BUTTONS & CONTROLS
   ========================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 14px var(--primary-glow);
}
.btn-primary:hover {
  background: #dc2626;
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: var(--border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11px;
  border-radius: 6px;
}

.btn-success { background: #059669; color: #fff; }
.btn-success:hover { background: #047857; }

.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-warning { background: #d97706; color: #fff; }
.btn-warning:hover { background: #b45309; }

.btn-cyan { background: #0891b2; color: #fff; }
.btn-cyan:hover { background: #0e7490; }

/* ==========================================================
   FORMS & INPUTS
   ========================================================== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 13px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.18);
}

select.form-control option {
  background: var(--bg-secondary);
  color: var(--text-main);
}

/* ==========================================================
   ALERTS & FLASH MESSAGES
   ========================================================== */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid rgba(16, 185, 129, 0.3); color: #34d399; }
.alert-danger  { background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.3); color: #f87171; }
.alert-warning { background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.3); color: #fbbf24; }
.alert-info    { background: rgba(6, 182, 212, 0.15); border: 1px solid rgba(6, 182, 212, 0.3); color: #22d3ee; }

/* ==========================================================
   MODAL DIALOG
   ========================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: min(100%, 540px);
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 20px;
}

.modal-body {
  padding: 22px;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ==========================================================
   LOGIN PAGE HERO
   ========================================================== */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(18, 23, 33, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 32px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.login-brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-brand .brand-badge {
  width: 54px;
  height: 54px;
  margin: 0 auto 14px;
  font-size: 26px;
}

/* ==========================================================
   RESPONSIVENESS (MOBILE / TABLET)
   ========================================================== */
@media (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-toggle {
    display: block;
  }
  .content-area {
    padding: 18px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .topbar {
    padding: 0 16px;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }
}