/* ===== CSS VARIABLES ===== */
:root {
  --bg: #0a0e1a;
  --bg2: #0f1526;
  --bg3: #141c32;
  --card: #131929;
  --card2: #192035;
  --border: #1e2d4a;
  --border2: #253555;
  --accent: #0ea5e9;
  --accent2: #38bdf8;
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f59e0b;
  --purple: #a855f7;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --cctv: #0ea5e9;
  --aid: #22c55e;
  --transport: #a855f7;
  --alert: #ef4444;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --radius: 10px;
  --sidebar-w: 240px;
  --font: 'Rajdhani', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
  font-size: 15px;
  line-height: 1.5;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform 0.3s;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #0a1628 0%, #0f1e38 100%);
}

.logo-emblem {
  font-size: 28px;
  color: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent));
  line-height: 1;
}

.logo-text { display: flex; flex-direction: column; }
.logo-main { font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: 1px; }
.logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 0.5px; text-transform: uppercase; }

.nav-links { list-style: none; padding: 10px 0; flex: 1; }
.nav-section {
  font-size: 10px;
  font-family: var(--mono);
  color: var(--text-muted);
  letter-spacing: 2px;
  padding: 16px 18px 6px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  text-decoration: none;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s;
  border-left: 2px solid transparent;
  position: relative;
}

.nav-item:hover { color: var(--text); background: rgba(14,165,233,0.07); border-left-color: var(--accent); }
.nav-item.active { color: var(--accent); background: rgba(14,165,233,0.1); border-left-color: var(--accent); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.badge {
  background: var(--red);
  color: white;
  font-family: var(--mono);
  font-size: 10px;
  border-radius: 10px;
  padding: 1px 6px;
  margin-left: auto;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  font-size: 11px;
}

.date-display { color: var(--text-dim); font-family: var(--mono); margin-bottom: 4px; }
.firebase-status { color: var(--text-muted); font-family: var(--mono); }
.firebase-status.connected { color: var(--green); }
.firebase-status.error { color: var(--red); }

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

/* ===== TOPBAR ===== */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 28px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.page-title { font-size: 20px; font-weight: 700; letter-spacing: 0.5px; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.current-date { font-family: var(--mono); font-size: 12px; color: var(--text-muted); }

/* ===== PAGES ===== */
.page { display: none; padding: 24px 28px; animation: fadeIn 0.3s ease; }
.page.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
}

.cctv-color { color: var(--cctv); background: rgba(14,165,233,0.1) !important; }
.aid-color { color: var(--aid); background: rgba(34,197,94,0.1) !important; }
.transport-color { color: var(--transport); background: rgba(168,85,247,0.1) !important; }
.alert-color { color: var(--alert); background: rgba(239,68,68,0.1) !important; }

.stat-value { font-size: 30px; font-weight: 700; font-family: var(--mono); color: var(--text); }
.stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 0.5px; }

/* ===== CARDS ===== */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}

.card.mt { margin-top: 0; }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  background: rgba(255,255,255,0.02);
}

.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

canvas { padding: 16px; max-width: 100%; }

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.filter-bar input[type="date"],
.filter-bar select {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 12px;
  font-family: var(--font);
  font-size: 13px;
}

/* ===== TABLES ===== */
.table-wrap { overflow-x: auto; }

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

thead tr { background: rgba(255,255,255,0.03); }

th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(30,45,74,0.5);
  color: var(--text-dim);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(14,165,233,0.04); }

.loading-td { text-align: center; color: var(--text-muted); padding: 30px; }

/* ===== STATUS BADGES ===== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-family: var(--mono);
  font-weight: 600;
  white-space: nowrap;
}

.s-working, .s-on-time, .s-treated { background: rgba(34,197,94,0.15); color: #22c55e; border: 1px solid rgba(34,197,94,0.3); }
.s-faulty, .s-emergency, .s-major, .s-issue { background: rgba(239,68,68,0.15); color: #ef4444; border: 1px solid rgba(239,68,68,0.3); }
.s-offline, .s-delayed, .s-maintenance { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.s-minor, .s-illness, .s-referred { background: rgba(168,85,247,0.15); color: #a855f7; border: 1px solid rgba(168,85,247,0.3); }

.flag-alert {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(239,68,68,0.2);
  color: #ef4444;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--mono);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ===== ACTIVITY LIST ===== */
.activity-list { padding: 8px 0; }

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(30,45,74,0.4);
  transition: background 0.15s;
}

.activity-item:hover { background: rgba(14,165,233,0.04); }
.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.activity-body { flex: 1; }
.activity-title { font-size: 13px; color: var(--text); }
.activity-time { font-size: 11px; color: var(--text-muted); font-family: var(--mono); }
.loading-msg { text-align: center; color: var(--text-muted); padding: 30px; }

/* ===== ALERTS GRID ===== */
.alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  padding: 18px;
}

.alert-card {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.25);
  border-radius: 8px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.alert-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--red);
}

.alert-card-title { font-weight: 700; color: var(--red); font-size: 14px; margin-bottom: 6px; }
.alert-card-detail { font-size: 12px; color: var(--text-dim); line-height: 1.8; }
.alert-card-tag { font-family: var(--mono); font-size: 10px; background: rgba(239,68,68,0.2); color: var(--red); padding: 2px 8px; border-radius: 3px; display: inline-block; margin-top: 8px; }

.no-alerts {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--green);
  font-size: 16px;
}

/* ===== BUTTONS ===== */
button { cursor: pointer; font-family: var(--font); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.2s;
}

.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-primary.large { padding: 12px 32px; font-size: 15px; margin-top: 12px; }

.btn-outline {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border2);
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-outline:hover { color: var(--text); border-color: var(--accent); }

.btn-small {
  background: rgba(14,165,233,0.1);
  color: var(--accent);
  border: 1px solid rgba(14,165,233,0.3);
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-small:hover { background: rgba(14,165,233,0.2); }

.btn-danger {
  background: var(--red);
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
}

.btn-icon {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text-muted);
  padding: 5px 9px;
  border-radius: 5px;
  font-size: 13px;
  transition: all 0.2s;
  margin-right: 4px;
}

.btn-icon:hover { color: var(--text); border-color: var(--accent); }
.btn-icon.del:hover { color: var(--red); border-color: var(--red); }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: none;
  backdrop-filter: blur(3px);
}

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

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 12px;
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: 90vh;
  overflow-y: auto;
  z-index: 300;
  display: none;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7);
  transition: transform 0.2s, opacity 0.2s;
}

.modal.small-modal { width: 360px; }
.modal.active { display: block; transform: translate(-50%, -50%) scale(1); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 16px; font-weight: 700; color: var(--text); }
.modal-header button { background: none; border: none; color: var(--text-muted); font-size: 18px; line-height: 1; transition: color 0.2s; }
.modal-header button:hover { color: var(--text); }

.modal-body { padding: 20px; }

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.form-row label { font-size: 12px; color: var(--text-muted); font-family: var(--mono); letter-spacing: 0.5px; text-transform: uppercase; }

.form-row input,
.form-row select,
.form-row textarea {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 7px;
  color: var(--text);
  padding: 9px 13px;
  font-family: var(--font);
  font-size: 14px;
  transition: border-color 0.2s;
  outline: none;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(14,165,233,0.15); }

.form-row textarea { resize: vertical; min-height: 70px; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== REPORT GEN ===== */
.report-gen { padding: 20px; display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; }
.rg-row { display: flex; flex-direction: column; gap: 6px; }
.rg-row label { font-size: 11px; color: var(--text-muted); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.5px; }
.rg-row input, .rg-row select { background: var(--bg3); border: 1px solid var(--border2); color: var(--text); padding: 8px 12px; border-radius: 6px; font-family: var(--font); font-size: 14px; outline: none; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card2);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 12px 20px;
  color: var(--text);
  font-size: 13px;
  box-shadow: var(--shadow);
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s;
  max-width: 320px;
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }
.toast.warning { border-color: var(--orange); color: var(--orange); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dash-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-toggle { display: block; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page { padding: 16px; }
  .topbar { padding: 12px 16px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== CHART WRAPPER FIX ===== */
.chart-wrap {
  position: relative;
  width: 100%;
  height: 240px;
  padding: 12px 16px 16px;
}
.chart-wrap canvas {
  display: block !important;
  width: 100% !important;
  height: 100% !important;
}

/* ===== LOGIN OVERLAY ===== */
#loginOverlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0a0e1a;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image:
    radial-gradient(ellipse at 30% 40%, rgba(14,165,233,0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 65%, rgba(168,85,247,0.07) 0%, transparent 55%),
    linear-gradient(rgba(14,165,233,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,0.05) 1px, transparent 1px);
  background-size: auto, auto, 40px 40px, 40px 40px;
}

.login-box {
  background: #131929;
  border: 1px solid #253555;
  border-radius: 14px;
  padding: 40px 36px 32px;
  width: 380px;
  max-width: calc(100vw - 32px);
  box-shadow: 0 32px 80px rgba(0,0,0,0.7);
  text-align: center;
  animation: loginPop 0.45s cubic-bezier(.2,.8,.3,1);
}

@keyframes loginPop {
  from { opacity:0; transform: translateY(30px) scale(0.96); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}

.login-logo {
  font-size: 52px;
  color: #0ea5e9;
  filter: drop-shadow(0 0 18px rgba(14,165,233,0.7));
  margin-bottom: 10px;
}

.login-school {
  font-size: 20px;
  font-weight: 700;
  color: #e2e8f0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.login-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #0ea5e9;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.25);
  padding: 4px 14px;
  border-radius: 20px;
  display: inline-block;
  margin: 8px 0 26px;
}

.lf-row {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
  text-align: left;
}

.lf-row label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #64748b;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.lf-row input {
  background: #141c32;
  border: 1px solid #253555;
  border-radius: 7px;
  color: #e2e8f0;
  padding: 10px 13px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lf-row input:focus {
  border-color: #0ea5e9;
  box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

.lerr {
  color: #ef4444;
  font-size: 12px;
  font-family: 'IBM Plex Mono', monospace;
  min-height: 18px;
  margin-bottom: 6px;
  text-align: center;
}

.lbtn {
  width: 100%;
  background: #0ea5e9;
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 7px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.lbtn:hover {
  background: #38bdf8;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(14,165,233,0.35);
}

.lhint {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: #64748b;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid #1e2d4a;
}