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

:root {
  --primary:       #1C1A5B;
  --primary-dark:  #15133F;
  --primary-light: #EEEDF8;
  --accent:        #2EDCB4;
  --accent-dark:   #1FB99A;
  --accent-light:  #E0FAF5;
  --success:       #10B981;
  --success-light: #D1FAE5;
  --warning:       #F59E0B;
  --warning-light: #FEF3C7;
  --danger:        #EF4444;
  --danger-light:  #FEE2E2;
  --info:          #6366F1;
  --info-light:    #EEF2FF;
  --bg:            #F1F5F9;
  --surface:       #FFFFFF;
  --border:        #E2E8F0;
  --border-dark:   #CBD5E1;
  --text:          #0F172A;
  --text-muted:    #64748B;
  --text-light:    #94A3B8;
  --sidebar-bg:    #1C1A5B;
  --sidebar-text:  #A5A3C8;
  --sidebar-hover: #26236E;
  --sidebar-w:     240px;
  --radius:        10px;
  --radius-sm:     6px;
  --shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:     0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:     0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
  --transition:    150ms ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ─── Login ─────────────────────────────────────────────────────────────────── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1C1A5B 0%, #26236E 40%, #1a3a5c 100%);
  padding: 20px;
}

.login-card {
  background: var(--surface);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}

.login-logo-ring {
  width: 52px; height: 52px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}

.login-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.login-demo {
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}

.login-demo code {
  background: #E2E8F0;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
  color: var(--primary-dark);
}

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

/* ─── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.sidebar-logo-ring {
  width: 36px; height: 36px;
  background: rgba(96,165,250,.12);
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.sidebar-brand {
  font-size: 15px;
  font-weight: 700;
  color: #F8FAFC;
  letter-spacing: -.2px;
}

.sidebar-facility {
  font-size: 11px;
  color: var(--sidebar-text);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}

.nav-item:hover { background: var(--sidebar-hover); color: #E2E8F0; }

.nav-item.active {
  background: var(--accent);
  color: #1C1A5B;
  font-weight: 600;
}

.nav-icon {
  width: 17px; height: 17px;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 12px 10px 16px;
  border-top: 1px solid rgba(255,255,255,.07);
}

.sidebar-user {
  font-size: 12px;
  color: var(--sidebar-text);
  margin-bottom: 8px;
  padding: 0 4px;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 8px 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  color: var(--sidebar-text);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-logout:hover { background: rgba(239,68,68,.15); color: #FCA5A5; border-color: rgba(239,68,68,.3); }

/* ─── Main Content ───────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  padding: 28px 32px;
}

/* ─── View Header ────────────────────────────────────────────────────────────── */
.view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}

.view-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}

.view-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  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: 15px;
  font-weight: 600;
  color: var(--text);
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

/* ─── Stats Grid ─────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.stat-label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -1px;
  line-height: 1;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.stat-card.accent-blue  { border-top: 3px solid var(--primary); }
.stat-card.accent-teal  { border-top: 3px solid var(--accent); }
.stat-card.accent-green { border-top: 3px solid var(--success); }
.stat-card.accent-amber { border-top: 3px solid var(--warning); }
.stat-card.accent-red   { border-top: 3px solid var(--danger); }
.stat-card.accent-indigo{ border-top: 3px solid var(--info); }

/* Live pulse indicator */
@keyframes pulse-dot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.3)} }
.live-dot { display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse-dot 1.6s ease-in-out infinite;margin-right:6px;vertical-align:middle; }

/* Before/After comparison bars */
.compare-bar-wrap { display:flex;gap:4px;align-items:center;font-size:12px; }
.compare-bar { height:8px;border-radius:4px;min-width:4px;transition:width .4s; }
.compare-bar.before { background:#EF4444; }
.compare-bar.after  { background:var(--accent); }

/* Sensor insight cards */
.sensor-room-card { background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow); }
.sensor-room-card .srm-room { font-size:16px;font-weight:700;color:var(--text); }
.sensor-room-card .srm-resident { font-size:12px;color:var(--text-muted);margin-top:2px; }

/* Webhook info box */
.webhook-box { background:#F8FAFC;border:1.5px dashed var(--border-dark);border-radius:var(--radius);padding:16px 18px;margin-bottom:20px; }
.webhook-url { font-family:monospace;font-size:12px;background:#1C1A5B;color:#2EDCB4;padding:8px 12px;border-radius:6px;word-break:break-all;margin:8px 0; }

/* ─── Two Column Layout ──────────────────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

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

.data-table th {
  background: #F8FAFC;
  padding: 10px 16px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .4px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 11px 16px;
  border-bottom: 1px solid #F1F5F9;
  color: var(--text);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #FAFBFC; }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-critical { background: #FEE2E2; color: #B91C1C; }
.badge-high     { background: #FEF3C7; color: #92400E; }
.badge-medium   { background: #DBEAFE; color: #1D4ED8; }
.badge-low      { background: #D1FAE5; color: #065F46; }
.badge-pending  { background: #FEF3C7; color: #92400E; }
.badge-approved { background: #D1FAE5; color: #065F46; }
.badge-rejected { background: #FEE2E2; color: #B91C1C; }
.badge-active   { background: #D1FAE5; color: #065F46; }
.badge-none     { background: #F1F5F9; color: #64748B; }
.badge-minor    { background: #FEF3C7; color: #92400E; }
.badge-moderate { background: #FED7AA; color: #C2410C; }
.badge-severe   { background: #FEE2E2; color: #B91C1C; }
.badge-blue     { background: var(--primary-light); color: var(--primary-dark); }
.badge-gray     { background: #F1F5F9; color: #475569; }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group:last-of-type { margin-bottom: 0; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}

.form-input {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  color: var(--text);
  background: var(--surface);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-input-sm { padding: 7px 10px; font-size: 13px; }
select.form-input { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2364748B'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 16px; padding-right: 32px; }

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }

.btn-secondary { background: var(--bg); color: var(--text); border: 1.5px solid var(--border-dark); }
.btn-secondary:hover { background: #E2E8F0; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #DC2626; }

.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-full { width: 100%; justify-content: center; padding: 11px; font-size: 14px; }

/* ─── Filter Bar ─────────────────────────────────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
}

.filter-group { display: flex; flex-direction: column; }
.filter-label { font-size: 11.5px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .4px; }

/* ─── Charts ─────────────────────────────────────────────────────────────────── */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.chart-container {
  padding: 16px 20px 20px;
  height: 260px;
  position: relative;
}

.chart-container-sm {
  height: 220px;
}

/* ─── Modal ──────────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal {
  background: var(--surface);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title { font-size: 16px; font-weight: 700; color: var(--text); }

.modal-close {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: none;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--border-dark); color: var(--text); }

.modal-body { padding: 20px 24px 24px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ─── Error Banner ───────────────────────────────────────────────────────────── */
.error-banner {
  background: var(--danger-light);
  color: #B91C1C;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  margin-bottom: 14px;
}

/* ─── Empty State ────────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ─── At-Risk Section ────────────────────────────────────────────────────────── */
.atrisk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 4px;
}

.atrisk-card {
  background: var(--surface);
  border: 1.5px solid var(--danger);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.atrisk-card.warning {
  border-color: var(--warning);
}

.atrisk-name { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.atrisk-count { font-size: 28px; font-weight: 700; letter-spacing: -1px; line-height: 1; }
.atrisk-count.red { color: var(--danger); }
.atrisk-count.amber { color: var(--warning); }
.atrisk-meta { font-size: 11.5px; color: var(--text-muted); margin-top: 5px; }
.atrisk-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); margin-bottom: 4px; }

/* ─── Streak Section ─────────────────────────────────────────────────────────── */
.streak-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.streak-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.streak-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.streak-chip {
  display: flex;
  flex-direction: column;
  background: var(--warning-light);
  border: 1px solid #FCD34D;
  border-radius: 8px;
  padding: 10px 14px;
}

.streak-chip-room { font-size: 15px; font-weight: 700; color: var(--text); }
.streak-chip-floor { font-size: 11px; color: var(--text-muted); }
.streak-chip-days { font-size: 12px; font-weight: 600; color: #92400E; margin-top: 4px; }

/* ─── Section Title ──────────────────────────────────────────────────────────── */
.section-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

/* ─── Toast ──────────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1E293B;
  color: #F8FAFC;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transition: opacity .25s, transform .25s;
}

.toast.toast-success { background: var(--success); }
.toast.toast-error   { background: var(--danger); }
.toast.toast-show    { opacity: 1; transform: translateY(0); }
.toast.toast-hide    { opacity: 0; transform: translateY(8px); }

/* ─── Utility ────────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.mb-4   { margin-bottom: 20px; }
.mb-2   { margin-bottom: 10px; }
.text-muted { color: var(--text-muted); }
.text-sm    { font-size: 12px; }
.fw-600     { font-weight: 600; }

.trend-up   { color: var(--danger); font-size: 12px; font-weight: 600; }
.trend-down { color: var(--success); font-size: 12px; font-weight: 600; }

/* ─── Action Buttons in Table ────────────────────────────────────────────────── */
.action-btn {
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
}

.action-btn-edit   { background: var(--primary-light); color: var(--primary-dark); }
.action-btn-edit:hover { background: #BFDBFE; }
.action-btn-delete { background: var(--danger-light); color: #B91C1C; margin-left: 5px; }
.action-btn-delete:hover { background: #FECACA; }
.action-btn-request { background: var(--info-light); color: var(--info); }
.action-btn-request:hover { background: #C7D2FE; }

/* ─── Settings Grid ──────────────────────────────────────────────────────────── */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.settings-card-header {
  padding: 14px 18px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: .4px;
}

.settings-card-count {
  font-size: 11px;
  color: var(--text-muted);
}

.settings-option-list {
  max-height: 240px;
  overflow-y: auto;
}

.settings-option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  border-bottom: 1px solid #F8FAFC;
  font-size: 13px;
}

.settings-option-item:last-child { border-bottom: none; }
.settings-option-item:hover { background: #FAFBFC; }

.settings-option-value { color: var(--text); flex: 1; }

.settings-delete-btn {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--text-light);
  font-size: 13px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.settings-delete-btn:hover { background: var(--danger-light); color: var(--danger); }

.settings-add-row {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

.settings-add-row input {
  flex: 1;
  padding: 7px 10px;
  border: 1.5px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 13px;
}
.settings-add-row input:focus { outline: none; border-color: var(--primary); }

/* ─── Sensor Date badges ─────────────────────────────────────────────────────── */
.date-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
}
.date-chip.removed { color: var(--danger); }

/* ─── Inline option adder ────────────────────────────────────────────────────── */
.inline-add-row {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.inline-add-row input {
  flex: 1;
  padding: 6px 9px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-240px); }
  .main-content { margin-left: 0; padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}