/* ═══════════════════════════════════════════════════════════════════════════
   Xpress Admin Panel — Premium Dark Theme
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --bg-base:     #080c14;
  --bg-surface:  #0f1623;
  --bg-card:     #131c2e;
  --bg-hover:    #1a2540;
  --border:      #1e2d47;
  --border-light:#243354;

  --blue:        #3b82f6;
  --blue-dim:    #1d4ed8;
  --blue-glow:   rgba(59,130,246,.18);
  --green:       #10b981;
  --green-dim:   #059669;
  --green-glow:  rgba(16,185,129,.18);
  --amber:       #f59e0b;
  --amber-glow:  rgba(245,158,11,.18);
  --red:         #ef4444;
  --red-dim:     #dc2626;
  --red-glow:    rgba(239,68,68,.18);
  --purple:      #8b5cf6;
  --purple-glow: rgba(139,92,246,.18);

  --text-primary:   #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted:     #475569;

  --sidebar-w: 240px;
  --radius:    10px;
  --radius-sm: 6px;
  --shadow:    0 4px 24px rgba(0,0,0,.4);
  --transition: .2s ease;
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: var(--text-primary);
}
.hidden { display: none !important; }

/* ── Login Screen ──────────────────────────────────────────────────────────── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 30% 20%, rgba(59,130,246,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 80%, rgba(16,185,129,.08) 0%, transparent 60%),
              var(--bg-base);
}

.login-card {
  width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow), 0 0 60px rgba(59,130,246,.06);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}
.login-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
  margin-bottom: 28px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.login-error {
  background: var(--red-glow);
  border: 1px solid rgba(239,68,68,.3);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* ── App Shell ─────────────────────────────────────────────────────────────── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
}
.sidebar-brand { font-weight: 700; font-size: 15px; color: var(--text-primary); }
.sidebar-tagline { font-size: 11px; color: var(--text-secondary); margin-top: 1px; }

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--blue-glow);
  color: var(--blue);
  border: 1px solid rgba(59,130,246,.2);
}

.sidebar-footer { padding: 16px 12px; border-top: 1px solid var(--border); }
.logout-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  width: 100%;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition);
}
.logout-btn svg { width: 16px; height: 16px; }
.logout-btn:hover { background: var(--red-glow); color: #fca5a5; }

/* ── Main Content ──────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  background: var(--bg-base);
}

/* ── Page Header ───────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--border);
}
.page-title { font-size: 20px; font-weight: 700; color: var(--text-primary); }
.page-sub { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.page-body { padding: 24px 32px; }

/* ── Stats Grid ────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--border-light); }
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.stat-card.blue::before   { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.stat-card.green::before  { background: linear-gradient(90deg, #10b981, #34d399); }
.stat-card.amber::before  { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stat-card.red::before    { background: linear-gradient(90deg, #ef4444, #f87171); }
.stat-card.purple::before { background: linear-gradient(90deg, #8b5cf6, #a78bfa); }

.stat-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.stat-icon svg { width: 18px; height: 18px; }
.stat-card.blue   .stat-icon { background: var(--blue-glow);   color: var(--blue); }
.stat-card.green  .stat-icon { background: var(--green-glow);  color: var(--green); }
.stat-card.amber  .stat-icon { background: var(--amber-glow);  color: var(--amber); }
.stat-card.red    .stat-icon { background: var(--red-glow);    color: var(--red); }
.stat-card.purple .stat-icon { background: var(--purple-glow); color: var(--purple); }

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 500;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-title { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.card-body { padding: 0; }

/* ── Tables ────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
}
thead th {
  padding: 11px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 13px 16px;
  font-size: 13px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(30,45,71,.5);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,.015); }

/* ── Badges ────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .3px;
}
.badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
}
.badge-active  { background: var(--green-glow);  color: var(--green);  border: 1px solid rgba(16,185,129,.3); }
.badge-active::before  { background: var(--green); }
.badge-expired { background: var(--red-glow);    color: var(--red);    border: 1px solid rgba(239,68,68,.3); }
.badge-expired::before { background: var(--red); }
.badge-revoked { background: rgba(100,116,139,.15); color: #94a3b8; border: 1px solid rgba(100,116,139,.2); }
.badge-revoked::before { background: #64748b; }
.badge-pending { background: var(--amber-glow);  color: var(--amber);  border: 1px solid rgba(245,158,11,.3); }
.badge-pending::before { background: var(--amber); }

/* ── License Key Display ───────────────────────────────────────────────────── */
.license-key {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--blue);
  cursor: pointer;
  transition: background var(--transition);
  letter-spacing: .5px;
}
.license-key:hover { background: var(--blue-glow); }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  background: var(--blue);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--blue-dim);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59,130,246,.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-success {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px;
  background: var(--green);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 13.5px; font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}
.btn-success:hover { background: var(--green-dim); transform: translateY(-1px); }

.btn-danger {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px;
  background: var(--red-glow);
  color: var(--red);
  border: 1px solid rgba(239,68,68,.2);
  border-radius: var(--radius-sm);
  font-size: 12.5px; font-weight: 600;
  transition: all var(--transition);
}
.btn-danger:hover { background: var(--red); color: #fff; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px; font-weight: 500;
  transition: all var(--transition);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 6px 12px !important; font-size: 12px !important; }
.btn-full { width: 100%; }

.action-btns { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Forms ─────────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 12.5px; font-weight: 600; color: var(--text-secondary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13.5px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-glow);
}
select option { background: var(--bg-card); }
textarea { resize: vertical; min-height: 80px; }

.form-hint { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }

/* ── Search Bar ────────────────────────────────────────────────────────────── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.search-input-wrap {
  position: relative;
  flex: 1;
}
.search-input-wrap svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px;
  color: var(--text-muted);
  pointer-events: none;
}
.search-input-wrap input { padding-left: 34px; }

/* ── Loading / Empty ───────────────────────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 48px;
  color: var(--text-secondary);
  font-size: 14px;
}
.loading::after {
  content: '';
  display: block;
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 16px auto 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 56px 24px;
  color: var(--text-muted);
}
.empty-state svg { width: 48px; height: 48px; margin: 0 auto 14px; display: block; opacity: .4; }
.empty-state h4 { font-size: 16px; color: var(--text-secondary); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* ── Two-column grid ───────────────────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

/* ── Modal ─────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%; max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  animation: slideUp .2s ease;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 16px; font-weight: 700; }
.modal-close {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 20px; line-height: 1;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--red-glow); color: var(--red); }
.modal-body { padding: 22px; display: flex; flex-direction: column; gap: 16px; }

/* ── License key preview box ───────────────────────────────────────────────── */
.key-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}
.key-preview-value {
  font-family: 'Courier New', monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 1px;
}

/* ── Toasts ────────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 300;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  font-size: 13.5px;
  animation: toastIn .25s ease;
  min-width: 240px;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } }
.toast-success { border-left: 3px solid var(--green); }
.toast-error   { border-left: 3px solid var(--red); }
.toast-info    { border-left: 3px solid var(--blue); }
.toast svg { width: 16px; height: 16px; flex-shrink: 0; }
.toast-success svg { color: var(--green); }
.toast-error   svg { color: var(--red); }
.toast-info    svg { color: var(--blue); }

/* ── Filters ───────────────────────────────────────────────────────────────── */
.filter-tabs {
  display: flex;
  gap: 6px;
}
.filter-tab {
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--blue); color: var(--blue); }
.filter-tab.active { background: var(--blue-glow); color: var(--blue); border-color: rgba(59,130,246,.3); }

/* ── Days left indicator ───────────────────────────────────────────────────── */
.days-left {
  font-size: 12px;
  font-weight: 600;
}
.days-left.urgent { color: var(--red); }
.days-left.warning { color: var(--amber); }
.days-left.ok { color: var(--green); }

/* ── Dashboard recent lists ────────────────────────────────────────────────── */
.recent-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(30,45,71,.4);
  transition: background var(--transition);
}
.recent-row:last-child { border-bottom: none; }
.recent-row:hover { background: rgba(255,255,255,.015); }
.recent-name { font-weight: 600; font-size: 13px; }
.recent-sub { font-size: 11.5px; color: var(--text-secondary); margin-top: 1px; }

/* ── Add Customer page ─────────────────────────────────────────────────────── */
.form-page {
  max-width: 700px;
}
.form-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}
.form-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.toggle-label { font-size: 13px; font-weight: 500; }
.toggle { position: relative; display: inline-block; width: 38px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0;
  background: var(--border-light);
  border-radius: 22px;
  cursor: pointer;
  transition: background var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--transition);
}
.toggle input:checked + .toggle-slider { background: var(--blue); }
.toggle input:checked + .toggle-slider::before { transform: translateX(16px); }