@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700;800;900&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Core palette — matte navy/blue/grey */
  --bg-base:       #060D1A;
  --bg-surface:    #0A1628;
  --bg-card:       #0F1E38;
  --bg-card-hover: #132340;
  --bg-input:      #0C1830;

  --border:        rgba(45,107,228,0.18);
  --border-hover:  rgba(45,107,228,0.38);
  --border-subtle: rgba(255,255,255,0.05);

  --blue:          #2D6BE4;
  --blue-hover:    #3A7AF0;
  --blue-dim:      #1A4BAF;
  --blue-muted:    rgba(45,107,228,0.12);
  --blue-glow:     rgba(45,107,228,0.25);

  --accent:        #4F9EFF;
  --accent-dim:    rgba(79,158,255,0.15);

  --text-primary:  #E8EFF8;
  --text-secondary: #8BA3C7;
  --text-muted:    #4A6080;
  --text-faint:    #2A3F60;

  --success:       #2ECC71;
  --success-dim:   rgba(46,204,113,0.12);
  --warning:       #F5A623;
  --warning-dim:   rgba(245,166,35,0.12);
  --danger:        #E45B5B;
  --danger-dim:    rgba(228,91,91,0.12);

  --radius-sm:     8px;
  --radius:        14px;
  --radius-lg:     20px;
  --radius-xl:     28px;

  --shadow-card:   0 8px 40px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-glow:   0 0 40px rgba(45,107,228,0.15);
  --shadow-blue:   0 8px 24px rgba(45,107,228,0.3);

  --font-display:  'Barlow Condensed', sans-serif;
  --font-body:     'DM Sans', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --transition:    all 0.2s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: all 0.4s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ─── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--blue-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }

/* ─── Typography ─────────────────────────────────── */
h1,h2,h3,h4,h5 { font-family: var(--font-display); letter-spacing: -0.01em; line-height: 1.1; }
h1 { font-size: clamp(48px, 7vw, 96px); font-weight: 800; }
h2 { font-size: clamp(36px, 5vw, 56px); font-weight: 700; }
h3 { font-size: clamp(24px, 3vw, 36px); font-weight: 700; }
h4 { font-size: 20px; font-weight: 600; }
p { color: var(--text-secondary); }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--blue-hover); }

/* ─── Navigation ─────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0 48px;
  background: rgba(6,13,26,0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0;
  text-transform: none;
}
.nav-logo img { height: 38px; width: 38px; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: var(--blue-muted); }
.nav-link.active { color: var(--accent); }

/* ─── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
  box-shadow: 0 4px 16px rgba(45,107,228,0.25);
}
.btn-primary:hover {
  background: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-hover);
}
.btn-outline:hover {
  background: var(--blue-muted);
  border-color: var(--blue);
  color: var(--accent);
}
.btn-ghost {
  background: var(--blue-muted);
  color: var(--accent);
  border-color: transparent;
}
.btn-ghost:hover { background: rgba(45,107,228,0.2); }
.btn-danger {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(228,91,91,0.25);
}
.btn-danger:hover { background: rgba(228,91,91,0.2); }
.btn-success {
  background: var(--success-dim);
  color: var(--success);
  border-color: rgba(46,204,113,0.25);
}
.btn-success:hover { background: rgba(46,204,113,0.2); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: var(--radius-lg); }
.btn-xl { padding: 18px 40px; font-size: 17px; border-radius: var(--radius-lg); }
.btn:disabled { opacity: 0.45; pointer-events: none; }

/* ─── Cards ─────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.card:hover { border-color: var(--border-hover); }
.card-sm { padding: 20px; border-radius: var(--radius); }
.card-glass {
  background: rgba(15,30,56,0.65);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
}

/* ─── Form elements ─────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.form-input, .form-select, .form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
  background: var(--bg-card);
}
.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select { appearance: none; cursor: pointer; }
.form-select option { background: var(--bg-card); }
.form-hint { font-size: 12px; color: var(--text-muted); }
.form-error { font-size: 12px; color: var(--danger); }

/* ─── Badges / Tags ─────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-blue { background: var(--blue-muted); color: var(--accent); border: 1px solid rgba(45,107,228,0.25); }
.badge-green { background: var(--success-dim); color: var(--success); border: 1px solid rgba(46,204,113,0.25); }
.badge-yellow { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(245,166,35,0.25); }
.badge-red { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(228,91,91,0.25); }
.badge-grey { background: rgba(139,163,199,0.1); color: var(--text-muted); border: 1px solid rgba(139,163,199,0.15); }

/* ─── Stats ─────────────────────────────────── */
.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* ─── Tables ─────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
thead th {
  background: var(--bg-card);
  padding: 14px 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 14px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: var(--transition); }
tbody tr:hover { background: var(--bg-card-hover); }

/* ─── Alerts ─────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-info { background: var(--blue-muted); color: var(--accent); border: 1px solid rgba(45,107,228,0.25); }
.alert-success { background: var(--success-dim); color: var(--success); border: 1px solid rgba(46,204,113,0.2); }
.alert-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(245,166,35,0.2); }
.alert-danger { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(228,91,91,0.2); }

/* ─── Modal ─────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4,9,18,0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 40px 120px rgba(0,0,0,0.7);
  transform: translateY(20px);
  transition: var(--transition);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.modal-close {
  background: var(--blue-muted);
  border: none;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--danger-dim); color: var(--danger); }

/* ─── Toast ─────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 280px;
  max-width: 400px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
}
.toast.success { border-color: rgba(46,204,113,0.3); color: var(--success); }
.toast.error { border-color: rgba(228,91,91,0.3); color: var(--danger); }
.toast.info { border-color: rgba(45,107,228,0.3); color: var(--accent); }
@keyframes slideIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Layout ─────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.container-sm { max-width: 900px; margin: 0 auto; padding: 0 32px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

/* ─── Divider ─────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
}

/* ─── Section Label ─────────────────────────────────── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-muted);
  border: 1px solid rgba(45,107,228,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ─── Dot indicator ─────────────────────────────────── */
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.dot-green { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot-blue { background: var(--blue); }
.dot-yellow { background: var(--warning); }
.dot-red { background: var(--danger); }

/* ─── Loading ─────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Noise texture overlay ─────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .nav { padding: 0 24px; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .container, .container-sm { padding: 0 20px; }
  .section { padding: 60px 0; }
  .nav-links .nav-link { display: none; }
  .card { padding: 20px; }
  .modal { padding: 24px; }
}

/* ─── Mobile (480px and below) ───────────────────── */
@media (max-width: 480px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .container, .container-sm { padding: 0 16px; }
  .section { padding: 48px 0; }
  .card { padding: 16px; }
  .btn-xl { padding: 14px 24px; font-size: 15px; }
  .modal { padding: 20px; margin: 0; border-radius: 16px 16px 0 0; max-height: 92vh; }
  .modal-overlay { align-items: flex-end; padding: 0; }
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 600px; }
  .badge { font-size: 10px; padding: 3px 7px; }
}

/* ─── Dashboard sidebar → bottom nav on mobile ───── */
@media (max-width: 768px) {
  .dashboard-layout {
    grid-template-columns: 1fr !important;
    grid-template-rows: 1fr auto !important;
    height: 100vh;
  }
  .sidebar {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    width: 100% !important;
    height: auto !important;
    flex-direction: row !important;
    padding: 0 !important;
    border-right: none !important;
    border-top: 1px solid var(--border) !important;
    z-index: 100 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
  }
  .sidebar-logo { display: none !important; }
  .sidebar-section-label { display: none !important; }
  .sidebar-item {
    flex-direction: column !important;
    padding: 10px 12px !important;
    font-size: 10px !important;
    gap: 4px !important;
    white-space: nowrap !important;
    min-width: 70px !important;
    justify-content: center !important;
    align-items: center !important;
    border-radius: 0 !important;
  }
  .sidebar-item .icon { font-size: 20px !important; }
  .sidebar-footer { display: none !important; }
  .main-content {
    margin-left: 0 !important;
    padding-bottom: 80px !important;
    height: calc(100vh - 56px) !important;
    overflow-y: auto !important;
  }
  .tab-panel { padding: 16px !important; }
}

/* ─── Admin sidebar → top hamburger on mobile ─────── */
@media (max-width: 768px) {
  .admin-layout {
    grid-template-columns: 1fr !important;
  }
  .admin-sidebar {
    position: fixed !important;
    top: 0 !important;
    left: -280px !important;
    height: 100vh !important;
    z-index: 200 !important;
    transition: left .3s !important;
    width: 260px !important;
  }
  .admin-sidebar.open { left: 0 !important; }
  .admin-main {
    margin-left: 0 !important;
    padding-top: 60px !important;
  }
  .admin-topbar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 56px !important;
    background: var(--bg-surface) !important;
    border-bottom: 1px solid var(--border) !important;
    z-index: 150 !important;
    display: flex !important;
    align-items: center !important;
    padding: 0 16px !important;
    gap: 12px !important;
  }
}