:root {
    --blue-900: #0a1628;
    --blue-800: #0d2144;
    --blue-700: #1a3a6e;
    --blue-600: #1e4db7;
    --blue-500: #2563eb;
    --blue-400: #3b82f6;
    --blue-300: #60a5fa;
    --blue-200: #bfdbfe;
    --blue-100: #dbeafe;
    --blue-50: #eff6ff;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #475569;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --critical: #dc2626;
  }

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

  body {
    font-family: 'Poppins', sans-serif;
    background: var(--blue-900);
    color: var(--white);
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* ========== PAGES ========== */
  .page { display: none; min-height: 100vh; }
  .page.active { display: flex; flex-direction: column; }
  #dashboard.active { flex-direction: row; }

  /* ========== AUTH PAGES ========== */
  .auth-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
    position: relative;
    overflow: hidden;
    padding: 24px;
  }

  .auth-bg::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
    top: -100px; left: -100px;
    pointer-events: none;
  }
  .auth-bg::after {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(30,77,183,0.12) 0%, transparent 70%);
    bottom: -80px; right: -80px;
    pointer-events: none;
  }

  .wave-container {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 120px;
    overflow: hidden;
  }
  .wave { position: absolute; bottom: 0; width: 200%; height: 100%; opacity: 0.07; }
  .wave svg { width: 100%; height: 100%; }
  .wave1 { animation: wave-move 8s linear infinite; }
  .wave2 { animation: wave-move 12s linear infinite reverse; opacity: 0.04; }
  @keyframes wave-move {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
  }

  .auth-card {
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 24px;
    padding: 48px 44px;
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    box-shadow: 0 32px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.05) inset;
    animation: card-in 0.5s ease;
  }
  @keyframes card-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .brand { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
  .brand-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: 0 8px 20px rgba(37,99,235,0.4);
  }
  .brand-icon svg { width: 28px; height: 28px; }
  .brand-name { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; color: var(--white); }
  .brand-name span { color: var(--blue-300); }
  .auth-subtitle { font-size: 12px; font-weight: 400; color: var(--blue-300); margin-bottom: 32px; text-transform: uppercase; letter-spacing: 1.5px; }
  .auth-title { font-size: 22px; font-weight: 700; margin-bottom: 6px; color: var(--white); }
  .auth-desc { font-size: 13px; color: var(--gray-400); margin-bottom: 28px; }

  .role-selector { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 24px; }
  .role-btn {
    background: rgba(255,255,255,0.05);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 12px 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
    color: var(--gray-400);
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    font-weight: 500;
  }
  .role-btn .role-icon { font-size: 20px; display: block; margin-bottom: 4px; }
  .role-btn:hover { border-color: var(--blue-400); color: var(--blue-300); background: rgba(37,99,235,0.1); }
  .role-btn.active { border-color: var(--blue-400); background: rgba(37,99,235,0.2); color: var(--white); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }

  .form-group { margin-bottom: 16px; }
  .form-label { display: block; font-size: 12px; font-weight: 600; color: var(--blue-200); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.8px; }
  .form-input {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,0.06);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    transition: all 0.2s;
    outline: none;
  }
  .form-input::placeholder { color: rgba(255,255,255,0.25); }
  .form-input:focus { border-color: var(--blue-400); background: rgba(37,99,235,0.1); box-shadow: 0 0 0 3px rgba(37,99,235,0.15); }
  .form-input option { background: var(--blue-800); color: var(--white); }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

  .btn-primary {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    border: none;
    border-radius: 12px;
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
    box-shadow: 0 8px 20px rgba(37,99,235,0.35);
    letter-spacing: 0.3px;
  }
  .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(37,99,235,0.45); }
  .btn-primary:active { transform: translateY(0); }

  .auth-switch { text-align: center; margin-top: 20px; font-size: 13px; color: var(--gray-400); }
  .auth-link { color: var(--blue-300); font-weight: 600; cursor: pointer; text-decoration: none; }
  .auth-link:hover { color: var(--blue-200); }

  .divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--gray-400); font-size: 12px; }
  .divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: rgba(255,255,255,0.08); }

  /* error state */
  .input-error { border-color: var(--danger) !important; }
  .error-msg { font-size: 11px; color: var(--danger); margin-top: 4px; }

  /* ========== DASHBOARD LAYOUT ========== */
  #dashboard { background: var(--gray-50); color: var(--blue-900); }

  .sidebar {
    width: 260px;
    background: var(--blue-900);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    transition: transform 0.3s;
  }
  .sidebar-header { padding: 28px 24px 24px; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .sidebar-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
  .sidebar-brand-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    color: white;
  }
  .sidebar-brand-icon svg { width: 20px; height: 20px; }
  .sidebar-brand-name { font-size: 20px; font-weight: 800; color: var(--white); letter-spacing: -0.3px; }
  .sidebar-brand-name span { color: var(--blue-300); }
  .sidebar-tagline { font-size: 10px; color: var(--blue-400); letter-spacing: 1px; text-transform: uppercase; }

  .nav-section { padding: 20px 16px 0; flex: 1; overflow-y: auto; }
  .nav-label { font-size: 10px; font-weight: 600; color: var(--blue-400); letter-spacing: 1.5px; text-transform: uppercase; padding: 0 8px; margin-bottom: 8px; margin-top: 14px; display: block; }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: 10px;
    cursor: pointer;
    color: var(--gray-400);
    font-size: 13.5px;
    font-weight: 500;
    margin-bottom: 2px;
    transition: all 0.2s;
    text-decoration: none;
    border: 1px solid transparent;
  }
  .nav-item:hover { background: rgba(255,255,255,0.06); color: var(--white); }
  .nav-item.active { background: linear-gradient(135deg, rgba(37,99,235,0.3), rgba(30,77,183,0.2)); color: var(--white); border-color: rgba(59,130,246,0.2); }
  .nav-item .nav-icon { font-size: 16px; width: 20px; text-align: center; }
  .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 20px;
    animation: pulse 2s infinite;
  }
  .nav-badge.live { background: var(--success); }
  @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

  .sidebar-user {
    padding: 16px;
    border-top: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
  }
  .user-info { flex: 1; min-width: 0; }
  .user-name { font-size: 13px; font-weight: 600; color: var(--white); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .user-role { font-size: 10px; color: var(--blue-300); }
  .logout-btn {
    background: none; border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    border-radius: 6px;
    transition: color 0.2s;
  }
  .logout-btn:hover { color: var(--danger); }
  .logout-btn { display: inline-flex; align-items: center; justify-content: center; line-height: 0; }
  .logout-btn svg { display: block; }

  .main-content { margin-left: 260px; min-height: 100vh; background: var(--gray-50); flex: 1; }

  .topbar {
    background: var(--white);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
    position: sticky; top: 0; z-index: 50;
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  }
  .topbar-left h1 { font-size: 20px; font-weight: 700; color: var(--blue-900); }
  .topbar-left p { font-size: 12px; color: var(--gray-400); }
  .topbar-right { display: flex; align-items: center; gap: 12px; }

  .status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(16,185,129,0.08);
    border: 1px solid rgba(16,185,129,0.2);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--success);
  }
  .status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: status-pulse 2s infinite;
  }
  @keyframes status-pulse {
    0%,100%{box-shadow:0 0 0 0 rgba(16,185,129,0.4)}
    50%{box-shadow:0 0 0 6px rgba(16,185,129,0)}
  }

  .notif-btn {
    position: relative;
    background: var(--gray-100);
    border: none;
    border-radius: 10px;
    width: 38px; height: 38px;
    cursor: pointer;
    font-size: 16px;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
  }
  .notif-btn:hover { background: var(--gray-200); }
  .notif-count {
    position: absolute;
    top: -4px; right: -4px;
    background: var(--danger);
    color: white;
    font-size: 9px;
    font-weight: 700;
    border-radius: 50%;
    width: 16px; height: 16px;
    display: flex; align-items: center; justify-content: center;
  }

  /* ========== SECTION VIEWS ========== */
  .section-view { display: none; }
  .section-view.active { display: block; }

  /* Alert banner */
  .alert-banner {
    margin: 24px 32px 0;
    background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(220,38,38,0.05));
    border: 1px solid rgba(239,68,68,0.25);
    border-left: 4px solid var(--danger);
    border-radius: 12px;
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slide-in 0.4s ease;
  }
  @keyframes slide-in { from{opacity:0;transform:translateY(-10px)} to{opacity:1;transform:translateY(0)} }
  .alert-icon { font-size: 20px; }
  .alert-text { flex: 1; }
  .alert-text strong { font-size: 13px; color: var(--critical); font-weight: 700; }
  .alert-text p { font-size: 12px; color: var(--gray-600); }
  .alert-dismiss {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    font-size: 18px;
    padding: 2px 6px;
    border-radius: 6px;
    transition: color 0.2s;
  }
  .alert-dismiss:hover { color: var(--danger); }

  /* Dashboard grid */
  .dashboard-body { padding: 24px 32px; }

  .stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }

  .stat-card {
    background: var(--white);
    border-radius: 16px;
    padding: 20px 22px;
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
  }
  .stat-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
  .stat-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
  .stat-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #111; }
  .stat-icon.blue { background: rgba(0,0,0,0.07); }
  .stat-icon.green { background: rgba(0,0,0,0.07); }
  .stat-icon.yellow { background: rgba(0,0,0,0.07); }
  .stat-icon.red { background: rgba(0,0,0,0.07); }
  .stat-icon svg { width: 22px; height: 22px; }
  .stat-badge { font-size: 10px; font-weight: 700; padding: 3px 8px; border-radius: 20px; text-transform: uppercase; }
  .badge-normal { background: rgba(16,185,129,0.1); color: var(--success); }
  .badge-alert { background: rgba(245,158,11,0.1); color: var(--warning); }
  .badge-danger { background: rgba(239,68,68,0.1); color: var(--danger); }
  .stat-value { font-size: 28px; font-weight: 800; color: var(--blue-900); letter-spacing: -1px; }
  .stat-label { font-size: 12px; color: var(--gray-400); font-weight: 500; margin-top: 2px; }

  .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
  .section-title { font-size: 16px; font-weight: 700; color: var(--blue-900); }
  .section-sub { font-size: 12px; color: var(--gray-400); }

  .filter-btn {
    padding: 7px 16px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    background: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    color: var(--gray-600);
    transition: all 0.2s;
    margin-left: 6px;
  }
  .filter-btn:hover, .filter-btn.active { background: var(--blue-900); color: var(--white); border-color: var(--blue-900); }

  /* Water level cards */
  .water-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }

  .water-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.2s;
  }
  .water-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0,0,0,0.1); }
  .water-card.hidden { display: none; }

  .water-card-header {
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
  }
  .location-name { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 2px; }
  .location-type { font-size: 11px; color: var(--gray-400); }
  .level-badge { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.5px; }
  .level-normal { background: rgba(16,185,129,0.1); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
  .level-warning { background: rgba(245,158,11,0.1); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
  .level-critical { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); animation: pulse 1.5s infinite; }

  .water-card-body { padding: 20px; }

  .water-gauge {
    position: relative;
    height: 120px;
    background: linear-gradient(to bottom, var(--blue-50), var(--blue-100));
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--blue-200);
  }
  .water-fill {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    border-radius: 0 0 11px 11px;
    transition: height 1s ease;
    overflow: hidden;
  }
  .water-fill.normal { background: linear-gradient(to top, #10b981, #34d399); }
  .water-fill.warning { background: linear-gradient(to top, #f59e0b, #fcd34d); }
  .water-fill.critical { background: linear-gradient(to top, #ef4444, #f87171); }

  .water-surface {
    position: absolute;
    top: 0; left: -100%;
    width: 300%;
    height: 14px;
    opacity: 0.4;
  }
  .water-surface svg { width: 100%; height: 100%; }
  .water-normal .water-surface { animation: wave-anim 3s linear infinite; }
  .water-warning .water-surface { animation: wave-anim 2s linear infinite; }
  .water-critical .water-surface { animation: wave-anim 1.2s linear infinite; }
  @keyframes wave-anim { to { transform: translateX(33.33%); } }

  .gauge-percent { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); font-size: 24px; font-weight: 800; color: var(--blue-900, #1e3a8a); text-shadow: 0 0 4px #fff, 0 0 8px #fff, 0 1px 2px rgba(255,255,255,.9); z-index: 2; }
  .gauge-percent.on-fill { color: #fff; text-shadow: 0 1px 3px rgba(0,0,0,0.45); }
  .gauge-markers { position: absolute; right: 8px; top: 6px; bottom: 6px; display: flex; flex-direction: column; justify-content: space-between; z-index: 3; }
  .gauge-marker { font-size: 9px; color: rgba(30,64,175,0.6); font-weight: 600; background: rgba(255,255,255,0.7); padding: 1px 4px; border-radius: 3px; }

  .water-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
  .wstat { background: var(--gray-50); border-radius: 10px; padding: 10px 12px; border: 1px solid var(--gray-100); }
  .wstat-label { font-size: 10px; color: var(--gray-400); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
  .wstat-value { font-size: 16px; font-weight: 700; color: var(--blue-900); margin-top: 2px; }
  .wstat-unit { font-size: 11px; color: var(--gray-400); font-weight: 400; }

  .history-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, var(--blue-900), var(--blue-800));
    border: none;
    border-radius: 10px;
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
  }
  .history-btn:hover { background: linear-gradient(135deg, var(--blue-700), var(--blue-600)); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(10,22,40,0.3); }

  /* Bottom grid */
  .bottom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

  .panel { background: var(--white); border-radius: 16px; border: 1px solid var(--gray-200); box-shadow: 0 2px 8px rgba(0,0,0,0.04); overflow: hidden; }
  .panel-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; justify-content: space-between; }
  .panel-title { font-size: 14px; font-weight: 700; color: var(--blue-900); }
  .panel-body { padding: 16px 20px; }

  .alert-item { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
  .alert-item:last-child { border-bottom: none; }
  .alert-dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 4px; flex-shrink: 0; }
  .dot-red { background: var(--danger); box-shadow: 0 0 0 3px rgba(239,68,68,0.2); }
  .dot-yellow { background: var(--warning); box-shadow: 0 0 0 3px rgba(245,158,11,0.2); }
  .dot-green { background: var(--success); box-shadow: 0 0 0 3px rgba(16,185,129,0.2); }
  .alert-content { flex: 1; }
  .alert-title { font-size: 13px; font-weight: 600; color: var(--blue-900); }
  .alert-meta { font-size: 11px; color: var(--gray-400); }

  .quick-stat { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--gray-100); font-size: 13px; }
  .quick-stat:last-child { border-bottom: none; }
  .quick-stat-label { color: var(--gray-600); font-weight: 500; }
  .quick-stat-value { font-weight: 700; color: var(--blue-900); }

  .map-placeholder {
    background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
    border-radius: 14px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--blue-300);
    flex-direction: column;
    gap: 8px;
    color: var(--blue-500);
    cursor: pointer;
    transition: background 0.2s;
  }
  .map-placeholder:hover { background: linear-gradient(135deg, var(--blue-100), var(--blue-200)); }
  .map-placeholder .map-icon { font-size: 32px; }
  .map-placeholder p { font-size: 12px; font-weight: 600; }
  .map-placeholder span { font-size: 11px; color: var(--blue-400); }

  /* ========== HISTORY PAGE ========== */
  .history-filters { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
  .history-filter-btn { padding: 7px 14px; border-radius: 8px; border: 1px solid var(--gray-200); background: var(--white); font-family: 'Poppins', sans-serif; font-size: 12px; font-weight: 600; cursor: pointer; color: var(--gray-600); transition: all 0.2s; }
  .history-filter-btn.active, .history-filter-btn:hover { background: var(--blue-900); color: var(--white); border-color: var(--blue-900); }

  .chart-container { background: var(--white); border-radius: 16px; padding: 24px; border: 1px solid var(--gray-200); box-shadow: 0 2px 8px rgba(0,0,0,0.04); margin-bottom: 20px; }
  .chart-title { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 4px; }
  .chart-sub { font-size: 12px; color: var(--gray-400); margin-bottom: 20px; }

  .bar-chart { display: flex; align-items: flex-end; gap: 6px; height: 160px; padding: 0 4px; }
  .bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
  .bar-col { flex: 1; width: 100%; display: flex; align-items: flex-end; }
  .bar {
    width: 100%;
    border-radius: 6px 6px 0 0;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
  }
  .bar:hover::after {
    content: attr(data-val);
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--blue-900);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 6px;
    white-space: nowrap;
  }
  .bar-label { font-size: 10px; color: var(--gray-400); text-align: center; font-weight: 500; }
  .bar.b-normal { background: linear-gradient(to top, #10b981, #34d399); }
  .bar.b-warning { background: linear-gradient(to top, #f59e0b, #fcd34d); }
  .bar.b-critical { background: linear-gradient(to top, #ef4444, #f87171); }

  .chart-legend { display: flex; gap: 16px; margin-top: 12px; }
  .legend-item { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--gray-600); }
  .legend-dot { width: 10px; height: 10px; border-radius: 50%; }

  .history-table { width: 100%; border-collapse: collapse; font-size: 13px; }
  .history-table th { padding: 10px 14px; text-align: left; font-size: 11px; font-weight: 600; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.8px; border-bottom: 2px solid var(--gray-100); background: var(--gray-50); }
  .history-table td { padding: 12px 14px; border-bottom: 1px solid var(--gray-100); color: var(--blue-900); }
  .history-table tr:last-child td { border-bottom: none; }
  .history-table tr:hover td { background: var(--gray-50); }
  .tbl-badge { padding: 3px 10px; border-radius: 20px; font-size: 10px; font-weight: 700; }

  /* ========== SENSOR MAP PAGE ========== */
  .sensor-map-wrap { position: relative; background: linear-gradient(160deg, #dbeafe, #bfdbfe, #93c5fd); border-radius: 20px; height: 380px; overflow: hidden; border: 1px solid var(--blue-200); }
  .map-bg-pattern {
    position: absolute; inset: 0;
    background-image: repeating-linear-gradient(0deg, rgba(37,99,235,0.05) 0, rgba(37,99,235,0.05) 1px, transparent 1px, transparent 40px),
      repeating-linear-gradient(90deg, rgba(37,99,235,0.05) 0, rgba(37,99,235,0.05) 1px, transparent 1px, transparent 40px);
  }
  .river-path { position: absolute; bottom: 0; left: 0; right: 0; }
  .sensor-pin {
    position: absolute;
    cursor: pointer;
    transform: translate(-50%, -100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: transform 0.2s;
  }
  .sensor-pin:hover { transform: translate(-50%, -100%) scale(1.1); }
  .pin-dot {
    width: 32px; height: 32px;
    border-radius: 50% 50% 50% 0;
    transform: rotate(-45deg);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    border: 2px solid white;
  }
  .pin-dot-inner { transform: rotate(45deg); font-size: 14px; }
  .pin-label { font-size: 10px; font-weight: 700; color: var(--blue-900); background: white; padding: 2px 6px; border-radius: 4px; box-shadow: 0 2px 6px rgba(0,0,0,0.1); white-space: nowrap; }
  .pin-normal .pin-dot { background: var(--success); }
  .pin-warning .pin-dot { background: var(--warning); }
  .pin-critical .pin-dot { background: var(--danger); animation: pin-pulse 1.5s infinite; }
  @keyframes pin-pulse { 0%,100%{box-shadow:0 4px 12px rgba(239,68,68,0.3),0 0 0 0 rgba(239,68,68,0.4)} 50%{box-shadow:0 4px 12px rgba(239,68,68,0.3),0 0 0 12px rgba(239,68,68,0)} }

  .sensor-legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
  .sensor-legend-item { background: var(--white); border-radius: 12px; padding: 14px; border: 1px solid var(--gray-200); cursor: pointer; transition: all 0.2s; }
  .sensor-legend-item:hover { border-color: var(--blue-400); box-shadow: 0 4px 12px rgba(37,99,235,0.1); }
  .sli-name { font-size: 12px; font-weight: 700; color: var(--blue-900); }
  .sli-loc { font-size: 10px; color: var(--gray-400); margin: 2px 0 8px; }
  .sli-bar { height: 6px; border-radius: 3px; background: var(--gray-100); margin-bottom: 6px; overflow: hidden; }
  .sli-bar-fill { height: 100%; border-radius: 3px; }
  .sli-val { font-size: 11px; font-weight: 600; color: var(--blue-900); }

  /* ========== ALERTS LOG PAGE ========== */
  .alert-log-item {
    background: var(--white);
    border-radius: 12px;
    padding: 16px 20px;
    border: 1px solid var(--gray-200);
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    transition: box-shadow 0.2s;
  }
  .alert-log-item:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.07); }
  .alert-log-icon { font-size: 24px; flex-shrink: 0; }
  .alert-log-body { flex: 1; }
  .alert-log-title { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 3px; }
  .alert-log-meta { font-size: 12px; color: var(--gray-400); }
  .alert-log-time { font-size: 11px; color: var(--gray-400); text-align: right; flex-shrink: 0; }
  .alert-log-badge { padding: 3px 10px; border-radius: 20px; font-size: 10px; font-weight: 700; display: inline-block; margin-top: 6px; }

  /* ========== SMS PAGE ========== */
  .sms-compose {
    background: var(--white);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--gray-200);
    margin-bottom: 20px;
  }
  .sms-compose-title { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 16px; }
  .sms-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    color: var(--blue-900);
    outline: none;
    resize: none;
    margin-bottom: 12px;
    transition: border-color 0.2s;
  }
  .sms-textarea:focus { border-color: var(--blue-400); }
  .sms-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
  .btn-sms-send {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
    border: none;
    border-radius: 10px;
    color: white;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
  }
  .btn-sms-send:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(37,99,235,0.4); }
  .btn-sms-test {
    padding: 10px 20px;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: 10px;
    color: var(--gray-600);
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
  }
  .btn-sms-test:hover { border-color: var(--blue-400); color: var(--blue-600); }
  .sms-char-count { margin-left: auto; font-size: 12px; color: var(--gray-400); }

  .recipients-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .recipient-card { background: var(--white); border-radius: 12px; padding: 14px 16px; border: 1px solid var(--gray-200); display: flex; align-items: center; gap: 12px; }
  .recipient-avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-500), var(--blue-600)); display: flex; align-items: center; justify-content: center; color: white; font-size: 13px; font-weight: 700; flex-shrink: 0; }
  .recipient-info { flex: 1; }
  .recipient-name { font-size: 13px; font-weight: 600; color: var(--blue-900); }
  .recipient-role { font-size: 11px; color: var(--gray-400); }
  .recipient-toggle { position: relative; }
  .toggle-input { opacity: 0; width: 0; height: 0; position: absolute; }
  .toggle-label { display: block; width: 36px; height: 20px; background: var(--gray-200); border-radius: 20px; cursor: pointer; transition: background 0.2s; position: relative; }
  .toggle-label::after { content: ''; position: absolute; left: 3px; top: 3px; width: 14px; height: 14px; border-radius: 50%; background: white; transition: transform 0.2s; }
  .toggle-input:checked + .toggle-label { background: var(--success); }
  .toggle-input:checked + .toggle-label::after { transform: translateX(16px); }

  /* ========== REPORTS PAGE ========== */
  .report-card { background: var(--white); border-radius: 16px; padding: 20px 24px; border: 1px solid var(--gray-200); display: flex; align-items: center; gap: 16px; margin-bottom: 12px; cursor: pointer; transition: all 0.2s; }
  .report-card:hover { border-color: var(--blue-400); box-shadow: 0 4px 16px rgba(37,99,235,0.1); }
  .report-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(37,99,235,0.08); display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
  .report-info { flex: 1; }
  .report-title { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 3px; }
  .report-meta { font-size: 12px; color: var(--gray-400); }
  .report-download { padding: 8px 16px; background: var(--blue-900); border: none; border-radius: 8px; color: white; font-family: 'Poppins', sans-serif; font-size: 12px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
  .report-download:hover { background: var(--blue-700); }

  /* ========== SETTINGS PAGE ========== */
  .settings-section { background: var(--white); border-radius: 16px; padding: 24px; border: 1px solid var(--gray-200); margin-bottom: 20px; }
  .settings-section-title { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--gray-100); }
  .setting-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--gray-100); }
  .setting-row:last-child { border-bottom: none; }
  .setting-label { font-size: 13px; font-weight: 600; color: var(--blue-900); }
  .setting-desc { font-size: 11px; color: var(--gray-400); margin-top: 2px; }
  .setting-input { padding: 8px 12px; border: 1.5px solid var(--gray-200); border-radius: 8px; font-family: 'Poppins', sans-serif; font-size: 13px; color: var(--blue-900); outline: none; transition: border-color 0.2s; }
  .setting-input:focus { border-color: var(--blue-400); }
  .btn-save { padding: 10px 24px; background: linear-gradient(135deg, var(--blue-600), var(--blue-500)); border: none; border-radius: 10px; color: white; font-family: 'Poppins', sans-serif; font-size: 13px; font-weight: 600; cursor: pointer; transition: all 0.2s; }
  .btn-save:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37,99,235,0.3); }

  /* ========== MODALS ========== */
  .modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
  }
  .modal-overlay.show { display: flex; }
  /* password re-confirmation must always sit above any other open modal */
  .modal-overlay-top { z-index: 400; }
  .modal {
    background: white;
    border-radius: 20px;
    padding: 32px;
    max-width: 480px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 32px 64px rgba(0,0,0,0.2);
    animation: modal-in 0.3s ease;
  }
  @keyframes modal-in { from{opacity:0;transform:scale(0.9)} to{opacity:1;transform:scale(1)} }
  .modal-title { font-size: 18px; font-weight: 700; color: var(--blue-900); margin-bottom: 6px; }
  .modal-desc { font-size: 13px; color: var(--gray-600); margin-bottom: 20px; }
  .modal-info { background: var(--blue-50); border: 1px solid var(--blue-200); border-radius: 12px; padding: 16px; margin-bottom: 20px; font-size: 13px; color: var(--blue-700); line-height: 1.6; }
  .modal-close { width: 100%; padding: 12px; background: var(--blue-600); color: white; border: none; border-radius: 10px; font-family: 'Poppins', sans-serif; font-size: 14px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
  .modal-close:hover { background: var(--blue-700); }

  /* History chart inside modal */
  .mini-chart { display: flex; align-items: flex-end; gap: 4px; height: 100px; margin: 16px 0; background: var(--gray-50); border-radius: 10px; padding: 12px 12px 0; }
  .mini-bar { flex: 1; border-radius: 4px 4px 0 0; transition: opacity 0.2s; }
  .mini-bar:hover { opacity: 0.8; }
  .modal-stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
  .modal-stat { background: var(--gray-50); border-radius: 10px; padding: 12px; text-align: center; }
  .modal-stat-val { font-size: 18px; font-weight: 800; color: var(--blue-900); }
  .modal-stat-lbl { font-size: 10px; color: var(--gray-400); text-transform: uppercase; letter-spacing: 0.5px; }

  /* Toast */
  .toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--blue-900);
    color: white;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    z-index: 999;
    display: none;
    align-items: center;
    gap: 10px;
    animation: toast-in 0.3s ease;
    max-width: 320px;
  }
  .toast.show { display: flex; }
  @keyframes toast-in { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

  /* Responsive */
  @media (max-width: 1100px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .water-grid { grid-template-columns: repeat(2, 1fr); }
    .sensor-legend { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .main-content { margin-left: 0; }
    .bottom-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .water-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .dashboard-body { padding: 16px; }
    .topbar { padding: 12px 16px; }
    .alert-banner { margin: 16px 16px 0; }
    .recipients-grid { grid-template-columns: 1fr; }
    .sensor-legend { grid-template-columns: 1fr; }
  }

/* Black & white SVG icon global rules */
.nav-icon svg { width: 16px; height: 16px; color: inherit; }
.role-icon svg { width: 22px; height: 22px; display: block; margin: 0 auto 4px; }
.alert-icon svg { width: 22px; height: 22px; }
.map-icon svg { width: 36px; height: 36px; color: #555; }
.alert-log-icon svg { width: 22px; height: 22px; color: #222; }
.report-icon svg { width: 26px; height: 26px; color: #333; }
.quick-stat-label svg { vertical-align: middle; }

  /* ========== EMPTY STATES / OFFLINE (live-data build) ========== */
  .empty-state { grid-column: 1 / -1; text-align: center; padding: 28px 16px; color: var(--gray-400); font-size: 13px; background: var(--gray-50, #f9fafb); border: 1px dashed var(--gray-200, #e5e7eb); border-radius: 12px; }
  .empty-cell { text-align: center; color: var(--gray-400); padding: 20px 12px; font-size: 13px; }
  .water-card.offline .water-fill { opacity: .35; }
  .water-card.offline .gauge-percent { opacity: .6; }
  .level-offline { background: #e5e7eb; color: #6b7280; }
  .settings-section code, .modal-info code { background: rgba(0,0,0,.06); padding: 1px 6px; border-radius: 4px; font-size: 12px; word-break: break-all; }
/* public (not signed in) visitors: hide staff-only widgets */
body.guest .staff-only { display: none !important; }
.level-admin { background: rgba(124,58,237,.12); color: #7c3aed; border: 1px solid rgba(124,58,237,.25); }
.level-official { background: rgba(37,99,235,.1); color: var(--blue-600); border: 1px solid rgba(37,99,235,.2); }
.level-mdrrmo { background: rgba(16,185,129,.1); color: var(--success); border: 1px solid rgba(16,185,129,.2); }
.level-resident { background: #e5e7eb; color: #6b7280; }

/* ========== MOBILE: slide-in menu + layout fixes ========== */
.menu-btn, .sidebar-close, .sidebar-backdrop { display: none; }

/* let the main column shrink instead of stretching the whole page wider than the phone */
.main-content { min-width: 0; max-width: 100%; }
#dashboard { overflow-x: hidden; }

@media (max-width: 768px) {
  /* hamburger in the top bar */
  .menu-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 42px; height: 42px; flex-shrink: 0;
    background: var(--blue-900); color: #fff; border: none; border-radius: 12px; cursor: pointer;
  }
  .topbar { gap: 12px; }
  .topbar-left { flex: 1; min-width: 0; }
  .topbar-left h1 { font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar-left p { font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .topbar-right { flex-shrink: 0; }
  .status-indicator { padding: 5px 10px; font-size: 11px; }

  /* the sidebar becomes the menu drawer */
  .sidebar {
    width: min(290px, 86vw); min-height: 0; z-index: 160;
    transform: translateX(-105%); visibility: hidden;
    transition: transform .28s ease, visibility 0s linear .28s;
  }
  .sidebar.open { transform: translateX(0); visibility: visible; transition: transform .28s ease; }
  .sidebar-close {
    display: flex; align-items: center; justify-content: center;
    position: absolute; top: 12px; right: 12px; width: 34px; height: 34px;
    background: rgba(255,255,255,.08); color: #fff; border: none; border-radius: 10px; font-size: 16px; cursor: pointer;
  }
  .sidebar-backdrop {
    display: block; position: fixed; inset: 0; z-index: 150;
    background: rgba(0,0,0,.5); backdrop-filter: blur(2px);
    opacity: 0; pointer-events: none; transition: opacity .28s ease;
  }
  body.menu-open .sidebar-backdrop { opacity: 1; pointer-events: auto; }
  body.menu-open { overflow: hidden; }
  .nav-item { padding: 13px 12px; }   /* comfortable tap targets */

  /* content */
  .dashboard-body { padding: 14px; }
  .section-header { flex-wrap: wrap; gap: 12px; }
  .stat-card { padding: 16px; }
  .chart-container { padding: 16px; overflow-x: auto; }
  .bar-chart { min-width: 420px; gap: 4px; }
  .panel-body { overflow-x: auto; }
  .history-table { min-width: 520px; }
  .sensor-map-wrap { height: 300px; }
  .report-card { padding: 14px 16px; gap: 12px; }
  .sms-actions > * { flex: 1 1 auto; }
  .modal { padding: 22px; width: 92%; }

  /* settings / forms: stack label above field */
  .settings-section { padding: 16px; }
  .setting-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .setting-row:has(.recipient-toggle) { flex-direction: row; align-items: center; }
  .setting-row .setting-input { width: 100%; box-sizing: border-box; min-width: 0; }
  .form-input, .setting-input, .sms-textarea { font-size: 16px; }   /* stops iOS zooming on focus */

  /* login / signup */
  .auth-bg { padding: 16px; }
  .auth-card { padding: 28px 20px; border-radius: 20px; }
}

@media (max-width: 480px) {
  .status-indicator { display: none; }
  .stats-grid { gap: 10px; }
  .stat-value { font-size: 24px; }
}

  /* per-sensor level graph */
  .water-chart { padding: 12px 20px 16px; border-top: 1px solid var(--gray-100, #f3f4f6); }
  .wchart-title { font-size: 12px; font-weight: 600; color: var(--gray-600, #4b5563); margin-bottom: 6px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
  .wchart-meta { font-weight: 500; color: var(--gray-400, #9ca3af); }
  .wchart-svg { width: 100%; height: auto; display: block; }
  .wchart-empty { font-size: 12px; color: var(--gray-400, #9ca3af); padding: 14px 0; text-align: center; }

/* history modal: timestamps under each stat (5 stats = 3 + 2 per row) */
.modal-stat-lbl small { display: block; margin-top: 2px; font-size: 10px; font-weight: 400; opacity: .75; line-height: 1.3; }

/* SMS auto-detect */
.sms-auto { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:12px; padding:10px 12px; border:1px dashed var(--blue-200); border-radius:10px; background:var(--blue-50); }
.sms-auto-toggle { font-size:13px; display:flex; align-items:center; gap:6px; cursor:pointer; }
.sms-auto select { max-width:260px; }
.sms-auto-info { flex-basis:100%; font-size:12px; color:var(--gray-500, #6b7280); }


/* ========== EDIT MODALS (account + sensor): roomy, responsive, scrollable body ========== */
.modal-overlay { padding: 16px; box-sizing: border-box; }
.modal-narrow { max-width: 420px; }
.modal.modal-wide {
  max-width: 760px; width: 100%;
  padding: 0; display: flex; flex-direction: column;
  max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px);
  overflow: hidden;
}
.modal-wide .modal-head { padding: 24px 28px 14px; border-bottom: 1px solid var(--gray-100); flex-shrink: 0; }
.modal-wide .modal-head .modal-desc { margin-bottom: 0; }
.modal-wide .modal-body { padding: 18px 28px; overflow-y: auto; flex: 1 1 auto; min-height: 0; -webkit-overflow-scrolling: touch; }
.modal-wide .modal-foot {
  display: flex; gap: 10px; padding: 14px 28px; flex-shrink: 0;
  border-top: 1px solid var(--gray-100); background: #fff;
}
.modal-foot .btn-save { flex: 1 1 0; padding: 12px 18px; }
.modal-foot .modal-close { flex: 1 1 0; width: auto; margin: 0; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.form-grid-inner { display: contents; }
.form-grid .span-2 { grid-column: 1 / -1; }
.modal-form .setting-row {
  display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start;
  gap: 6px; padding: 0; border: 0; min-width: 0;
}
.modal-form .setting-input { width: 100%; box-sizing: border-box; min-width: 0; min-height: 42px; }
.modal-form .setting-desc { line-height: 1.45; }
.modal-form .inline-pair { display: flex; gap: 8px; }
.modal-form .inline-pair .setting-input { flex: 1 1 0; width: auto; }
.modal-form .inline-pair select.setting-input { flex: 0 0 38%; }
.modal-form .stack-fields { display: flex; flex-direction: column; gap: 8px; }
.modal-form .key-line { display: flex; gap: 8px; align-items: stretch; }
.modal-form .key-line .setting-input { flex: 1 1 auto; }
.modal-form .key-line .btn-sms-test { flex: 0 0 auto; white-space: nowrap; padding: 0 14px; }
.modal-form .row-switch { flex-direction: row; align-items: center; justify-content: space-between; gap: 12px; }
.modal-form .row-switch input[type=checkbox] { width: 22px; height: 22px; flex: 0 0 auto; accent-color: var(--blue-600); }
.modal-form .spike-details { border: 1px solid var(--gray-200); border-radius: 12px; padding: 12px 14px; }
.modal-form .spike-details summary { padding: 2px 0; }
.modal-form .spike-details[open] summary { margin-bottom: 4px; }

@media (max-width: 640px) {
  .modal-overlay { padding: 8px; align-items: flex-end; }
  .modal.modal-wide { max-height: calc(100dvh - 16px); border-radius: 18px; width: 100%; padding: 0; }
  .modal-wide .modal-head { padding: 18px 16px 12px; }
  .modal-wide .modal-body { padding: 14px 16px; }
  .modal-wide .modal-foot { padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); flex-direction: column; }
  .form-grid { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .modal-form .key-line { flex-direction: column; }
  .modal-form .key-line .btn-sms-test { padding: 10px 14px; }
  .modal-overlay-top { align-items: center; }
  .modal.modal-narrow { width: 100%; padding: 22px 18px; }
}
@media (max-height: 520px) and (orientation: landscape) {
  .modal-wide .modal-head { padding: 12px 20px 8px; }
  .modal-wide .modal-body { padding: 10px 20px; }
  .modal-wide .modal-foot { padding: 10px 20px; }
}

.modal-narrow .modal-foot { display: flex; gap: 10px; }

/* Select-all toggle for SMS recipients */
.select-all { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; color: var(--gray-400); cursor: pointer; user-select: none; }

/* Accounts list scrolls instead of stretching the page as accounts are added */
.accounts-scroll { max-height: 420px; overflow: auto; }
.accounts-scroll thead th { position: sticky; top: 0; z-index: 1; }