/* ═══════════════════════════════════════════════════════════════
   NetLinkPro — Premium Design System v2
   ═══════════════════════════════════════════════════════════════ */

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

/* ── DESIGN TOKENS ── */
:root {
  /* Backgrounds */
  --bg:           #060a13;
  --bg-mesh1:     rgba(99,102,241,.06);
  --bg-mesh2:     rgba(168,85,247,.04);
  --surface:      #0c1221;
  --card:         #111a2e;
  --card-hover:   #152036;

  /* Borders */
  --border:       rgba(148,163,184,.07);
  --border-light: rgba(148,163,184,.12);
  --border-focus: rgba(99,102,241,.5);

  /* Accents */
  --accent:       #6366f1;
  --accent-light: #818cf8;
  --accent2:      #a855f7;
  --accent3:      #ec4899;
  --cyan:         #06b6d4;

  /* Semantic */
  --green:  #10b981;
  --red:    #ef4444;
  --yellow: #f59e0b;
  --blue:   #3b82f6;

  /* Text */
  --text:          #f1f5f9;
  --text-secondary:#94a3b8;
  --muted:         #64748b;

  /* Sizing */
  --sidebar-w: 260px;
  --radius:    12px;
  --radius-lg: 16px;
  --radius-sm: 8px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(0,0,0,.4);
  --shadow:     0 4px 16px rgba(0,0,0,.3);
  --shadow-lg:  0 16px 48px rgba(0,0,0,.45);
  --shadow-glow:0 0 24px rgba(99,102,241,.12);
}

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

::selection { background:rgba(99,102,241,.3); color:#fff; }

::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(100,116,139,.25); border-radius:10px; }
::-webkit-scrollbar-thumb:hover { background:rgba(100,116,139,.45); }

html { scroll-behavior:smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 30%, var(--bg-mesh1), transparent),
    radial-gradient(ellipse 60% 50% at 90% 70%, var(--bg-mesh2), transparent);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(12px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes slideInLeft {
  from { transform:translateX(-100%); }
  to   { transform:translateX(0); }
}
@keyframes shimmer {
  0%   { background-position:-200% 0; }
  100% { background-position:200% 0; }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow:0 0 8px rgba(99,102,241,.1); }
  50%      { box-shadow:0 0 20px rgba(99,102,241,.25); }
}

/* ══════════════════════════════════════
   LOGIN PAGE
   ══════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 50% 40% at 20% 50%, rgba(99,102,241,.12), transparent),
    radial-gradient(ellipse 40% 35% at 80% 20%, rgba(168,85,247,.1), transparent),
    radial-gradient(ellipse 30% 25% at 60% 80%, rgba(236,72,153,.06), transparent);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,.08), transparent 70%);
  top: -200px; right: -100px;
  border-radius: 50%;
  animation: pulseGlow 6s ease-in-out infinite;
}

.login-box {
  background: rgba(17,26,46,.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(99,102,241,.06);
  animation: fadeUp .5s ease-out;
  position: relative;
  z-index: 1;
}

.login-logo {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent2), var(--accent3));
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s linear infinite;
  margin-bottom: 8px;
}

.login-sub {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 36px;
  font-weight: 400;
}

.form-group { margin-bottom: 22px; }
.form-group label {
  display:block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.form-group input {
  width: 100%;
  background: rgba(6,10,19,.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  transition: all .25s ease;
  outline: none;
}

.form-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.15);
}

.form-group input::placeholder { color:var(--muted); }

/* ══════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .2s ease;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn:active { transform:scale(.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  box-shadow: 0 2px 12px rgba(99,102,241,.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 20px rgba(99,102,241,.4);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
}

.btn-outline {
  background: rgba(148,163,184,.04);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: rgba(99,102,241,.06);
}

.btn-danger {
  background: rgba(239,68,68,.12);
  color: #f87171;
  border: 1px solid rgba(239,68,68,.2);
}
.btn-danger:hover {
  background: rgba(239,68,68,.2);
  border-color: rgba(239,68,68,.4);
}

.btn-success {
  background: rgba(16,185,129,.12);
  color: #34d399;
  border: 1px solid rgba(16,185,129,.2);
}
.btn-success:hover {
  background: rgba(16,185,129,.2);
  border-color: rgba(16,185,129,.4);
}

/* ══════════════════════════════════════
   ALERTS
   ══════════════════════════════════════ */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: fadeUp .3s ease-out;
}

.alert-error {
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.2);
  color: #fca5a5;
}
.alert-error::before { content:'✕'; font-weight:700; color:#ef4444; }

.alert-success {
  background: rgba(16,185,129,.08);
  border: 1px solid rgba(16,185,129,.2);
  color: #6ee7b7;
}
.alert-success::before { content:'✓'; font-weight:700; color:#10b981; }

/* ══════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════ */
.layout { display:flex; min-height:100vh; }

/* ══════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(12,18,33,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}

.sidebar::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  opacity: .7;
}

.sidebar-logo {
  padding: 22px 20px 18px;
  font-family: 'Inter', sans-serif;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo span {
  font-size: 11px;
  color: var(--muted);
  display: block;
  font-family: 'Inter', sans-serif;
  -webkit-text-fill-color: var(--muted);
  font-weight: 400;
  margin-top: 3px;
  letter-spacing: 0.5px;
}

.sidebar-nav {
  flex: 1;
  min-height: 0;
  padding: 14px 10px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.nav-section {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 16px 12px 8px;
  font-weight: 700;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .2s ease;
  margin-bottom: 2px;
  position: relative;
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(99,102,241,.06);
  color: var(--text);
  border-color: var(--border);
}

.nav-link.active {
  background: rgba(99,102,241,.1);
  color: var(--accent-light);
  border-color: rgba(99,102,241,.2);
  font-weight: 600;
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: linear-gradient(180deg, var(--accent), var(--accent2));
  border-radius: 0 3px 3px 0;
}

.nav-link .icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-user {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Inter', sans-serif;
  font-weight: 700; font-size: 15px; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(99,102,241,.3);
}

.user-info { flex: 1; min-width: 0; }
.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-role {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

/* ══════════════════════════════════════
   MAIN CONTENT
   ══════════════════════════════════════ */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: rgba(12,18,33,.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 18px 68px 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-family: 'Inter', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.page-sub {
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
  margin-top: 2px;
}

.content {
  padding: 28px 32px;
  animation: fadeUp .35s ease-out;
}

/* ══════════════════════════════════════
   STAT CARDS
   ══════════════════════════════════════ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: 0;
  transition: opacity .25s ease;
}

.stat-card:hover {
  border-color: var(--border-light);
  background: var(--card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow), var(--shadow-glow);
}

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

.stat-icon {
  font-size: 26px;
  margin-bottom: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(99,102,241,.08);
}

.stat-value {
  font-family: 'Inter', sans-serif;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
}

.stat-label {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 6px;
  font-weight: 500;
}

/* ══════════════════════════════════════
   CARDS
   ══════════════════════════════════════ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: var(--shadow-xs);
}

.card-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(148,163,184,.02);
}

.card-title {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.card-body { padding: 22px; }

/* ══════════════════════════════════════
   TABLES
   ══════════════════════════════════════ */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

thead { position:sticky; top:0; z-index:2; }

th {
  padding: 12px 16px;
  text-align: left;
  font-size: 10.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  border-bottom: 1px solid var(--border-light);
  background: rgba(6,10,19,.4);
}

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

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

tbody tr {
  transition: background .15s ease;
}

tbody tr:hover td {
  background: rgba(99,102,241,.03);
}

/* ══════════════════════════════════════
   BADGES
   ══════════════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.badge-green {
  background: rgba(16,185,129,.1);
  color: #34d399;
  border: 1px solid rgba(16,185,129,.15);
}
.badge-red {
  background: rgba(239,68,68,.1);
  color: #f87171;
  border: 1px solid rgba(239,68,68,.15);
}
.badge-yellow {
  background: rgba(245,158,11,.1);
  color: #fbbf24;
  border: 1px solid rgba(245,158,11,.15);
}
.badge-blue {
  background: rgba(99,102,241,.1);
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,.15);
}

/* ══════════════════════════════════════
   FORMS
   ══════════════════════════════════════ */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group-inline {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.form-group-inline label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.2px;
}

.form-group-inline input,
.form-group-inline select,
.form-group-inline textarea {
  background: rgba(6,10,19,.5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  outline: none;
  transition: all .25s ease;
}

.form-group-inline input:focus,
.form-group-inline select:focus,
.form-group-inline textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}

.form-group-inline input::placeholder,
.form-group-inline textarea::placeholder {
  color: var(--muted);
}

.form-group-inline select option {
  background: var(--card);
  color: var(--text);
}

.form-full { grid-column: 1 / -1; }

/* ── SEARCH BAR ── */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-bar input {
  flex: 1;
  background: rgba(6,10,19,.5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 11px 16px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  outline: none;
  transition: all .25s ease;
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,.1);
}

/* ══════════════════════════════════════
   MODALS
   ══════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,10,19,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 520px;
  margin: 20px;
  box-shadow: var(--shadow-lg);
  animation: fadeUp .25s ease-out;
  position: relative;
}

.modal::before {
  content: '';
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 0 0 2px 2px;
}

.modal-title {
  font-family: 'Inter', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: -0.3px;
}

.modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

/* ══════════════════════════════════════
   DROPDOWNS
   ══════════════════════════════════════ */
.dropdown-wrap { position:relative; display:inline-block; }

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  min-width: 180px;
  padding: 6px;
  z-index: 60;
  box-shadow: var(--shadow-lg);
  animation: fadeUp .15s ease-out;
}

.dropdown-wrap.open .dropdown-menu { display:block; }

.dropdown-item {
  display: block;
  width: 100%;
  padding: 9px 14px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all .15s ease;
  border-radius: var(--radius-sm);
}

.dropdown-item:hover {
  background: rgba(99,102,241,.08);
  color: var(--text);
}

/* ══════════════════════════════════════
   MOBILE NAV
   ══════════════════════════════════════ */
.mobile-nav {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  height: 56px;
  background: rgba(12,18,33,.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 250;
  flex-shrink: 0;
}

.hamburger-btn {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  flex-shrink: 0;
  transition: all .2s ease;
}

.hamburger-btn:hover {
  border-color: var(--accent);
  background: rgba(99,102,241,.06);
}

.hamburger-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all .3s ease;
}

.mobile-brand {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent-light), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Sidebar overlay for mobile */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,10,19,.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 99;
  transition: opacity .3s ease;
}
.sidebar-overlay.active { display:block; }

/* ══════════════════════════════════════
   UTILITY
   ══════════════════════════════════════ */
.hide-mobile { }

/* ══════════════════════════════════════
   RESPONSIVE — TABLET
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .mobile-nav { display:flex; }

  .sidebar {
    transform: translateX(-100%);
    z-index: 200;
    width: 280px;
    pointer-events: none;
  }
  .sidebar.open {
    transform: translateX(0);
    pointer-events: auto;
  }

  .main { margin-left:0; }

  .topbar {
    position: relative;
    padding: 14px 62px 14px 18px;
    flex-wrap: wrap;
    gap: 10px;
    background: var(--surface);
    backdrop-filter: none;
  }

  .content { padding: 16px; }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
  }
  .stat-card { padding: 16px; }
  .stat-value { font-size: 24px; }
  .stat-icon { width:36px; height:36px; font-size:20px; margin-bottom:10px; }

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

  .card-header {
    flex-wrap: wrap;
    gap: 10px;
    padding: 14px 16px;
  }

  .modal {
    margin: 14px;
    padding: 22px;
    max-width: calc(100vw - 28px);
    border-radius: var(--radius-lg);
  }

  th { padding:10px 12px; font-size:10px; }
  td { padding:12px 12px; font-size:13px; }

  .page-title { font-size:18px; }
  .page-sub   { font-size:12px; }

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

  td .btn { white-space:nowrap; }
  table .hide-mobile { display:none; }
}

/* ══════════════════════════════════════
   RESPONSIVE — PHONE
   ══════════════════════════════════════ */
@media (max-width: 480px) {
  .stat-grid { grid-template-columns:1fr 1fr; gap:8px; }
  .content { padding:12px; }
  .topbar { padding:12px 58px 12px 14px; }
  th, td { padding:8px 10px; font-size:12px; }
  .modal { padding:18px; }
  .stat-card { padding:14px; }
  .stat-value { font-size:22px; }
}


/* ══════════════════════════════════════════════════════════════
   LIGHT THEME — override all design tokens
   Applied when <html data-theme=light>
   ══════════════════════════════════════════════════════════════ */
[data-theme=light] {
  /* Backgrounds */
  --bg:           #f0f4ff;
  --bg-mesh1:     rgba(99,102,241,.06);
  --bg-mesh2:     rgba(168,85,247,.04);
  --surface:      #e8edf8;
  --card:         #ffffff;
  --card-hover:   #f5f7ff;

  /* Borders */
  --border:       rgba(30,41,100,.1);
  --border-light: rgba(30,41,100,.15);
  --border-focus: rgba(99,102,241,.45);

  /* Accents — same vivid palette, works on light too */
  --accent:       #4f46e5;
  --accent-light: #6366f1;
  --accent2:      #9333ea;
  --accent3:      #db2777;
  --cyan:         #0891b2;

  /* Semantic */
  --green:  #059669;
  --red:    #dc2626;
  --yellow: #d97706;
  --blue:   #2563eb;

  /* Text */
  --text:          #0f172a;
  --text-secondary:#334155;
  --muted:         #64748b;

  /* Shadows — softer on light */
  --shadow-xs:  0 1px 3px rgba(0,0,0,.08);
  --shadow:     0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:  0 16px 48px rgba(0,0,0,.14);
  --shadow-glow:0 0 24px rgba(99,102,241,.1);
}

/* ── Light: body background gradient ── */
[data-theme=light] body {
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 60% at 10% 30%, rgba(99,102,241,.05), transparent),
    radial-gradient(ellipse 60% 50% at 90% 70%, rgba(168,85,247,.03), transparent);
  color: var(--text);
}

/* ── Light: sidebar ── */
[data-theme=light] .sidebar {
  background: #ffffff;
  border-right: 1px solid var(--border);
}
[data-theme=light] .sidebar-logo {
  background: linear-gradient(135deg, #4f46e5, #9333ea, #db2777);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme=light] .nav-section { color: #94a3b8; }
[data-theme=light] .nav-link { color: #334155; }
[data-theme=light] .nav-link:hover,
[data-theme=light] .nav-link.active {
  background: rgba(99,102,241,.1);
  color: #4f46e5;
}

/* ── Light: topbar ── */
[data-theme=light] .topbar {
  background: rgba(255,255,255,.85);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
[data-theme=light] .page-title { color: #0f172a; }
[data-theme=light] .page-sub   { color: #64748b; }

/* ── Light: cards ── */
[data-theme=light] .card {
  background: #ffffff;
  border-color: rgba(30,41,100,.1);
  box-shadow: 0 2px 12px rgba(0,0,0,.07);
}
[data-theme=light] .card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,.1);
}

/* ── Light: stat cards ── */
[data-theme=light] .stat-card { background:#ffffff; border-color:rgba(30,41,100,.1); }
[data-theme=light] .stat-label { color:#64748b; }
[data-theme=light] .stat-icon  { background:rgba(99,102,241,.1); }

/* ── Light: tables ── */
[data-theme=light] table { background: #ffffff; }
[data-theme=light] thead tr { background: #f8faff; }
[data-theme=light] th { color: #475569; border-bottom: 1px solid rgba(30,41,100,.1); }
[data-theme=light] td { color: #334155; border-bottom: 1px solid rgba(30,41,100,.06); }
[data-theme=light] tr:hover td { background: #f5f7ff; }

/* ── Light: form inputs ── */
[data-theme=light] input,
[data-theme=light] select,
[data-theme=light] textarea {
  background: #ffffff;
  border-color: rgba(30,41,100,.18);
  color: #0f172a;
}
[data-theme=light] input:focus,
[data-theme=light] select:focus,
[data-theme=light] textarea:focus {
  border-color: #4f46e5;
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}
[data-theme=light] input::placeholder { color: #94a3b8; }

/* ── Light: modals ── */
[data-theme=light] .modal {
  background: #ffffff;
  border-color: rgba(30,41,100,.12);
  box-shadow: 0 24px 64px rgba(0,0,0,.15);
}

/* ── Light: alerts ── */
[data-theme=light] .alert-error   { background:rgba(220,38,38,.08);   color:#dc2626; border-color:rgba(220,38,38,.2);   }
[data-theme=light] .alert-success { background:rgba(5,150,105,.08);   color:#059669; border-color:rgba(5,150,105,.2);   }

/* ── Light: scrollbar ── */
[data-theme=light] ::-webkit-scrollbar-thumb { background:rgba(100,116,139,.2); }
[data-theme=light] ::-webkit-scrollbar-thumb:hover { background:rgba(100,116,139,.4); }

/* ── Light: sidebar user footer ── */
[data-theme=light] .sidebar-user { border-top: 1px solid rgba(30,41,100,.1); }
[data-theme=light] .user-name    { color: #0f172a; }
[data-theme=light] .user-role    { color: #64748b; }

/* ── Light: badges / status chips ── */
[data-theme=light] .badge { background: rgba(99,102,241,.12); color: #4f46e5; }

/* ── Light: login page ── */
[data-theme=light] .login-page  { background: #f0f4ff; }
[data-theme=light] .login-box   { background: #ffffff; border-color: rgba(30,41,100,.12); }
[data-theme=light] .login-logo  { color: #4f46e5; }
[data-theme=light] .login-sub   { color: #64748b; }



/* ══════════════════════════════════════════════════════════════
   COMPREHENSIVE MOBILE RESPONSIVE — All Pages
   ══════════════════════════════════════════════════════════════ */

/* ── Topbar action buttons — wrap cleanly on mobile ── */
.topbar { flex-wrap: wrap; gap: 10px; }
.topbar > div:first-child { flex: 1; min-width: 0; }

/* ── Tables — always scroll horizontally ── */
.table-wrap, .card .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { min-width: 480px; }

/* ── Generic 2-col grids → 1 col on mobile ── */
@media (max-width: 768px) {

  /* Reports 2-col grid */
  div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Topbar button group wraps */
  .topbar { align-items: flex-start; }
  .topbar > div[style*="display:flex"] { flex-wrap: wrap; }

  /* Admin panel tabs — horizontal scroll */
  div[style*="border-bottom:1px solid var(--border)"][style*="display:flex"] {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  div[style*="border-bottom:1px solid var(--border)"][style*="display:flex"]::-webkit-scrollbar { display:none; }

  /* Stat cards — already 2 col, but make smaller stat text */
  .stat-card .stat-value { font-size: 22px !important; }

  /* Cards full width */
  .card { border-radius: 12px; }

  /* Page sub — wrap */
  .page-sub { font-size: 11.5px; word-break: break-word; }

  /* Reports monthly table min-width */
  .table-wrap table { min-width: 400px; }

  /* Events filters — stack */
  .ev-filters .filter-grid,
  div[class*="filter-grid"] { grid-template-columns: 1fr !important; }

  /* Button groups on pages — stack neatly */
  div[style*="display:flex"][style*="gap:8px"],
  div[style*="display:flex"][style*="gap:10px"] { flex-wrap: wrap; }

  /* Profile / forms max-width full */
  div[style*="max-width:560px"] { max-width: 100% !important; }

  /* Admin panel client sub-tabs — scroll */
  div[style*="display:flex"][style*="gap:6px"] { flex-wrap: wrap; }

  /* Overdue/recent side-by-side → stack */
  div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }

  /* Reports stat mini-cards */
  div[style*="grid-template-columns:repeat(auto-fit,minmax(140px"] {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  /* Login / signup pages */
  .login-page { padding: 16px; }
  .login-box  { padding: 24px 20px; }
  .su-card    { padding: 20px !important; }
  .type-grid  { grid-template-columns: 1fr !important; }

  /* Modal full width */
  .modal { margin: 10px; max-width: calc(100vw - 20px); }

  /* Hide less important table columns */
  .hide-mobile { display: none !important; }

  /* Nav link text overflow */
  .nav-link { font-size: 13.5px; }

  /* Sidebar overlay dark bg when open */
  .sidebar.open { box-shadow: 4px 0 24px rgba(0,0,0,.6); }
}

@media (max-width: 480px) {

  /* Stat mini cards → 2 col */
  div[style*="grid-template-columns:repeat(auto-fit,minmax(140px"] {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Reports breakdown grids */
  div[style*="grid-template-columns:1fr 1fr"][style*="gap:10px"] {
    grid-template-columns: 1fr 1fr !important;
  }

  /* topbar buttons smaller */
  .topbar a[href*="export.php"] { padding: 6px 10px !important; font-size: 11.5px !important; }

  /* Full width buttons on small screens */
  .btn-reg, .btn-submit { font-size: 14px !important; }

  /* Type cards vertical */
  .type-grid  { gap: 10px !important; }
  .tc-icon    { font-size: 32px !important; }
  .tc-title   { font-size: 15px !important; }

  /* Events calendar */
  .ev-calendar { font-size: 12px; }

  /* Table cells more compact */
  th { font-size: 10px !important; padding: 8px 10px !important; }
  td { font-size: 12px !important; padding: 8px 10px !important; }

  /* Content padding */
  .content { padding: 10px !important; }

  /* Card padding */
  .card[style*="padding:20px"] { padding: 14px !important; }
  .card[style*="padding:28px"] { padding: 18px !important; }
}

/* ── Light theme mobile nav ── */
[data-theme="light"] .mobile-nav {
  background: rgba(240,244,255,.95);
  border-bottom: 1px solid rgba(30,41,100,.1);
}
[data-theme="light"] .hamburger-btn {
  border-color: rgba(30,41,100,.15);
}
[data-theme="light"] .hamburger-btn span {
  background: #334155;
}
[data-theme="light"] .sidebar-overlay {
  background: rgba(15,23,42,.5);
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE OVERRIDES v2 — Full mobile / tablet support
   ══════════════════════════════════════════════════════════ */

/* ── Shared utilities ── */
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.hide-sm   { }
.w-full    { width: 100% !important; }

/* ── Tables always scroll horizontally ── */
.table-wrap, .card > div[style*="overflow-x"] {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table { min-width: 480px; }

/* ── Cards with inline padding — normalize on small screens ── */
@media (max-width: 768px) {

  /* ── Layout ── */
  .layout { flex-direction: column; }

  /* ── Topbar export buttons ── */
  .topbar a[href*="export.php"] {
    padding: 6px 11px !important;
    font-size: 12px !important;
  }
  .topbar > div[style*="display:flex"] {
    flex-wrap: wrap;
    gap: 6px !important;
  }

  /* ── Reports page: collapse 2-col grids ── */
  div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
  div[style*="grid-template-columns: 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Admin panel: tab nav scrollable ── */
  div[style*="display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px"] {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  /* ── Admin panel: user table ── */
  .card td:nth-child(8),
  .card th:nth-child(8) { display: none; } /* hide last-login on tablet */

  /* ── Reports stat grid ── */
  div[style*="grid-template-columns:repeat(auto-fit,minmax(140px,1fr))"] {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px !important;
  }

  /* ── Events page: filter row ── */
  .chk-row { gap: 8px 14px !important; }
  .ev-filters { padding: 14px !important; }

  /* ── Events calendar ── */
  .ev-calendar th, .ev-calendar td {
    padding: 4px 2px !important;
    font-size: 11px !important;
    min-width: 0 !important;
  }

  /* ── Profile page ── */
  div[style*="max-width:560px"] { max-width: 100% !important; }

  /* ── Binary chart ── */
  .tree-wrap { overflow-x: auto !important; -webkit-overflow-scrolling: touch; }

  /* ── Modal fullscreen on mobile ── */
  .modal-overlay .modal,
  .modal {
    margin: 10px !important;
    padding: 20px !important;
    max-width: calc(100vw - 20px) !important;
    max-height: 88vh;
    overflow-y: auto;
  }

  /* ── Card inner grids ── */
  div[style*="display:grid;grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Signup type grid ── */
  .type-grid { grid-template-columns: 1fr !important; gap: 12px !important; }

  /* ── Events card grid ── */
  .ev-grid, div[style*="grid-template-columns:repeat(auto-fill"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Topbar page title wrapping ── */
  .topbar { align-items: flex-start !important; gap: 10px !important; }
  .topbar > div:first-child { flex: 1 1 auto; min-width: 0; }

  /* ── Table hide low-priority cols ── */
  .hide-mobile, table .hide-mobile { display: none !important; }

  /* ── Form grids ── */
  form div[style*="display:grid;gap"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Inline flex wrapping ── */
  div[style*="display:flex;justify-content:space-between"] {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* ── Phone (≤480px) ── */
@media (max-width: 480px) {

  /* ── Reports stat grid: 2 cols ── */
  div[style*="grid-template-columns:repeat(auto-fit,minmax(140px,1fr))"] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  /* ── Stat card text ── */
  .stat-card .stat-value { font-size: 20px !important; }
  .stat-card div[style*="font-size:22px"] { font-size: 18px !important; }
  .stat-card div[style*="font-size:11px"]  { font-size: 10px !important; }

  /* ── Page title ── */
  .page-title { font-size: 16px !important; }
  .page-sub   { font-size: 11px !important; }

  /* ── Topbar ── */
  .topbar {
    padding: 12px 14px !important;
    flex-direction: column !important;
    align-items: flex-start !important;
  }
  .topbar a[href*="export.php"] {
    padding: 5px 10px !important;
    font-size: 11.5px !important;
  }

  /* ── Admin panel tabs ── */
  div[style*="display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px"] a {
    font-size: 12px !important;
    padding: 5px 10px !important;
    white-space: nowrap;
  }

  /* ── Buttons in tables ── */
  td .btn { padding: 5px 9px !important; font-size: 11px !important; }

  /* ── Cards ── */
  .card { border-radius: 12px !important; }

  /* ── Table font ── */
  table { min-width: 360px; }
  th, td { font-size: 11.5px !important; padding: 7px 9px !important; }

  /* ── Mobile brand in nav ── */
  .mobile-brand { font-size: 16px; }

  /* ── Hero section (index) ── */
  .hero-title  { letter-spacing: -1px !important; }
  .feat-grid   { grid-template-columns: 1fr !important; }
  .type-grid   { grid-template-columns: 1fr !important; }

  /* ── Admin panel system grid ── */
  div[style*="grid-template-columns:1fr 1fr;gap:16px"] {
    grid-template-columns: 1fr !important;
  }

  /* ── Reports overdue table ── */
  .card td:nth-child(6) { display: none; }

  /* ── Event card register btn ── */
  .ev-card a[href] { width: 100% !important; text-align: center; }

  /* ── Biz box in signup ── */
  .biz-box { padding: 12px 14px !important; }
}

/* ── Very small screens (≤360px) ── */
@media (max-width: 360px) {
  nav, .mobile-nav { padding-left: 12px !important; padding-right: 12px !important; }
  .content { padding: 8px !important; }
  .stat-grid { grid-template-columns: 1fr 1fr !important; gap: 6px !important; }
  .card { border-radius: 10px !important; }
  .hero { padding: 90px 12px 40px !important; }
}

/* ── Tables: always horizontal scroll wrapper ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; display: block; }

/* ── Reports 2-col rows ── */
@media (max-width: 768px) {
  .rpt-row { grid-template-columns: 1fr !important; }
}

/* ══════════════════════════════════════════════════════════
   RESPONSIVE OVERRIDES v3 — Standalone pages + Dashboard
   ══════════════════════════════════════════════════════════ */

/* ── Login / Signup / Admin-Login box centering ── */
body.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 20px;
}

/* ── Login box ── */
.login-box {
  width: 100%;
  max-width: 420px;
}

/* ── Signup card ── */
.signup-card {
  width: 100%;
  max-width: 520px;
}

/* ── Admin login card ── */
.admin-card {
  width: 100%;
  max-width: 420px;
}

/* ── Dashboard quick-links grid ── */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

@media (max-width: 768px) {
  /* ── Login / signup box padding ── */
  .login-box  { padding: 28px 20px !important; }
  .signup-card { padding: 24px 18px !important; }
  .admin-card  { padding: 28px 20px !important; }

  /* ── Dashboard stat cards ── */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  /* ── Dashboard quick links ── */
  .quick-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  /* ── Dashboard recent table ── */
  .dash-recent th:nth-child(4),
  .dash-recent td:nth-child(4) { display: none; }

  /* ── Page content padding ── */
  .content { padding: 14px !important; }
}

@media (max-width: 480px) {
  /* ── Login box narrower phones ── */
  .login-box  { padding: 22px 16px !important; border-radius: 16px !important; }
  .signup-card { padding: 20px 14px !important; border-radius: 16px !important; }
  .admin-card  { padding: 22px 16px !important; border-radius: 16px !important; }

  /* ── Type-selection cards in signup ── */
  .type-card { padding: 20px 14px !important; }

  /* ── Dashboard quick links: 2 cols ── */
  .quick-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  /* ── Stat grid: always 2 cols on phone ── */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  /* ── Page content very small padding ── */
  .content { padding: 10px !important; }

  /* ── Nav brand font ── */
  .nav-brand { font-size: 17px !important; }

  /* ── Sidebar overlay: shown ONLY when .active class is added by JS ── */
}

@media (max-width: 360px) {
  .login-box, .signup-card, .admin-card {
    padding: 18px 12px !important;
    border-radius: 12px !important;
  }
  .quick-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 6px !important;
  }
}

/* ── Hamburger button — always on top, always tappable ── */
@media (max-width: 768px) {
  .hamburger-btn {
    position: relative;
    z-index: 260;
    pointer-events: auto !important;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
  .mobile-nav {
    z-index: 250 !important;
    pointer-events: auto !important;
  }
  /* Sidebar closed: no pointer events so it never blocks taps */
  .sidebar:not(.open) {
    pointer-events: none !important;
  }
  .sidebar.open {
    pointer-events: auto !important;
  }
}

/* ── Mobile sidebar scroll fix ───────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
  }
  .sidebar-nav {
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    overscroll-behavior: contain;
    touch-action: pan-y;
  }
  .sidebar-user {
    flex-shrink: 0;
  }
}