/* ===== Sci-Fi Design tokens (LIGHT theme) ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600;800&family=Rajdhani:wght@500;600;700&display=swap');

:root {
  --navy: #0B1220;
  --navy-light: #16213A;
  --bg: #EEF2FA;
  --surface: rgba(255, 255, 255, 0.78);
  --border: rgba(6, 182, 212, 0.28);
  --text: #0F172A;
  --text-muted: #64748B;
  --accent: #06B6D4;
  --accent-dark: #0891B2;
  --accent-glow: rgba(6, 182, 212, 0.35);
  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --danger: #E11D48;
  --danger-bg: rgba(225, 29, 72, 0.10);
  --warn-bg: rgba(245, 158, 11, 0.12);
  --radius: 12px;
  --font-ui: 'Rajdhani', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Orbitron', var(--font-ui);
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font-ui); background: var(--bg); color: var(--text); font-size: 15px;
  background-image:
    radial-gradient(circle at 12% 8%, rgba(6,182,212,0.08) 0%, transparent 38%),
    radial-gradient(circle at 88% 92%, rgba(168,85,247,0.07) 0%, transparent 38%),
    linear-gradient(rgba(15,23,42,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,23,42,0.02) 1px, transparent 1px);
  background-size: auto, auto, 34px 34px, 34px 34px;
  background-attachment: fixed;
}
.hidden { display: none !important; }
h1, h2, h3 { margin: 0 0 4px 0; font-family: var(--font-display); letter-spacing: 0.3px; color: #0B1220; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }

/* ===== Login screen ===== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(6,182,212,0.14) 0%, transparent 45%),
    radial-gradient(circle at 75% 75%, rgba(168,85,247,0.12) 0%, transparent 45%),
    #EEF2FA;
}
.login-card {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  padding: 40px 36px;
  border-radius: 16px;
  width: 340px;
  box-shadow: 0 0 50px rgba(6,182,212,0.10), 0 20px 50px rgba(15,23,42,0.10);
}
.login-mark {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), #A855F7);
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 12px; letter-spacing: 0.5px;
  margin-bottom: 16px;
  box-shadow: 0 0 20px var(--accent-glow);
}
.login-card h1 { font-size: 19px; }
.login-sub { color: var(--text-muted); font-size: 13px; margin: 4px 0 24px 0; }
.login-card label { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); margin: 14px 0 6px 0; text-transform: uppercase; letter-spacing: 0.5px; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid rgba(15,23,42,0.14); border-radius: 8px; font-size: 14px; background: #fff; color: var(--text); }
.login-card input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,182,212,0.15); }
.login-error { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 16px; }

/* ===== Buttons ===== */
.btn { border: none; border-radius: 8px; padding: 9px 16px; font-size: 13.5px; font-weight: 700; transition: all 0.12s ease; letter-spacing: 0.2px; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #0891B2); color: #fff; box-shadow: 0 4px 14px rgba(6,182,212,0.3); }
.btn-primary:hover { box-shadow: 0 6px 20px rgba(6,182,212,0.45); transform: translateY(-1px); }
.btn-block { width: 100%; margin-top: 20px; padding: 11px; }
.btn-ghost { background: rgba(15,23,42,0.04); color: var(--text-muted); border: 1px solid rgba(15,23,42,0.12); }
.btn-ghost:hover { background: rgba(6,182,212,0.08); color: var(--text); border-color: var(--accent); }
.btn-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(225,29,72,0.25); }
.btn-danger:hover { background: rgba(225,29,72,0.18); }
.btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }

/* ===== App shell ===== */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: linear-gradient(180deg, #0B1220 0%, #16213A 100%);
  color: #A8B9D1;
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 24px 10px; }
.brand-mark { background: linear-gradient(135deg, var(--accent), #A855F7); color: #fff; font-family: var(--font-display); font-weight: 800; font-size: 11px; padding: 6px 9px; border-radius: 7px; box-shadow: 0 0 14px var(--accent-glow); }
.brand-name { color: #fff; font-weight: 700; font-size: 15px; font-family: var(--font-display); letter-spacing: 0.5px; }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-item {
  background: transparent; border: none; color: #8FA3C4;
  text-align: left; padding: 10px 12px; border-radius: 8px; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 10px; letter-spacing: 0.2px;
}
.nav-icon { display: none; font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }
.nav-item:hover { background: rgba(6,182,212,0.12); color: #fff; }
.nav-item.active { background: rgba(6,182,212,0.18); color: #5EEAD4; box-shadow: inset 0 0 0 1px rgba(6,182,212,0.4); }
.logout-btn {
  background: transparent; border: 1px solid rgba(225,29,72,0.3); color: #8FA3C4;
  padding: 9px; border-radius: 8px; font-size: 13px; margin-top: 12px; font-weight: 600;
}
.logout-btn:hover { border-color: var(--danger); color: #FCA5A5; }

.main { flex: 1; padding: 32px 40px; max-width: 1200px; min-width: 0; }
.tab-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }

/* ===== Mobile / tablet layout ===== */
@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 10px 12px;
    gap: 4px;
    position: sticky;
    top: 0;
    z-index: 20;
  }
  .brand { padding: 0 10px 0 0; flex-shrink: 0; }
  .brand-name { display: none; }
  .nav {
    flex-direction: row;
    flex: 1;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 2px;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav-item { flex-shrink: 0; padding: 9px 12px; white-space: nowrap; }
  .nav-icon { display: inline-block; }
  .logout-btn { flex-shrink: 0; margin-top: 0; width: auto; padding: 9px 12px; }
  .logout-btn .nav-label { display: none; }
  .logout-btn::after { content: '⏻'; font-size: 15px; }
  .main { padding: 18px 14px 40px 14px; }
}

@media (max-width: 480px) {
  .nav-label { font-size: 12.5px; }
  .tab-header h2 { font-size: 17px; }
}

/* ===== Stat cards ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
.stat-card { background: var(--surface); backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; position: relative; overflow: hidden; box-shadow: 0 2px 12px rgba(15,23,42,0.05); }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); }
.stat-value { font-size: 30px; font-weight: 800; font-family: var(--font-display); color: #0B1220; }
.stat-label { color: var(--text-muted); font-size: 12.5px; margin-top: 4px; text-transform: uppercase; letter-spacing: 0.6px; }

/* ===== Tables ===== */
.table-scroll { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.data-table { width: 100%; min-width: 640px; border-collapse: collapse; background: var(--surface); backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: 0 2px 12px rgba(15,23,42,0.05); }
.data-table th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--accent-dark); background: rgba(6,182,212,0.06); padding: 12px 16px; border-bottom: 1px solid var(--border); font-weight: 700; }
.data-table td { padding: 12px 16px; border-bottom: 1px solid rgba(6,182,212,0.10); font-size: 13.5px; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(6,182,212,0.035); }
.mono { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; letter-spacing: 0.3px; text-transform: uppercase; }
.badge-active { background: var(--success-bg); color: var(--success); }
.badge-suspended { background: var(--danger-bg); color: var(--danger); }

.empty-state { background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius); padding: 48px; text-align: center; color: var(--text-muted); }
.empty-sub { font-size: 12.5px; margin-top: 6px; }

/* ===== Modals ===== */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,23,42,0.35); backdrop-filter: blur(3px); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 28px; width: 380px; max-width: 92vw; max-height: 85vh; overflow-y: auto; box-shadow: 0 0 50px rgba(6,182,212,0.08), 0 20px 50px rgba(15,23,42,0.18); }
.modal-wide { width: 620px; max-width: 92vw; }
.modal label { display: block; font-size: 12px; font-weight: 700; color: var(--text-muted); margin: 12px 0 6px 0; text-transform: uppercase; letter-spacing: 0.4px; }
.modal input, .modal select { width: 100%; padding: 9px 11px; border: 1px solid rgba(15,23,42,0.14); border-radius: 7px; font-size: 13.5px; background: #fff; color: var(--text); }
.modal input:focus, .modal select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(6,182,212,0.15); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 22px; flex-wrap: wrap; }
.form-error { color: var(--danger); font-size: 12.5px; margin-top: 10px; min-height: 14px; }
.form-note { color: var(--text-muted); font-size: 12px; margin-top: 12px; }

/* ===== Client detail modal ===== */
.location-block { border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin-top: 12px; background: rgba(6,182,212,0.03); }
.location-block h4 { margin: 0 0 10px 0; font-size: 13.5px; color: var(--accent-dark); }
.kv-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 12.5px; gap: 12px; flex-wrap: wrap; }
.kv-row .k { color: var(--text-muted); flex-shrink: 0; }
.kv-row .v { font-family: var(--font-mono); text-align: right; word-break: break-all; color: var(--text); }
.download-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

/* ===== Toast ===== */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #0B1220; color: #fff; padding: 12px 20px; border-radius: 8px; font-size: 13.5px;
  z-index: 100; box-shadow: 0 10px 30px rgba(15,23,42,0.3);
  max-width: 92vw; text-align: center;
}
.toast.toast-error { background: var(--danger); }

@media (max-width: 700px) {
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-value { font-size: 22px; }
  .actions-cell { gap: 5px; }
  .btn-sm { padding: 7px 10px; }
  .data-table th, .data-table td { padding: 10px 12px; }
  .modal { padding: 20px; }
}