:root {
  --primary: #5BACDC;        /* soft dusty blue */
  --primary-dark: #3F8FBE;
  --primary-light: #EAF4FB;
  --primary-rgb: 91, 172, 220;
  --secondary: #7CCAD9;      /* soft teal */
  --success: #34C19A;        /* softer mint */
  --warning: #F2B95C;        /* softer amber */
  --danger: #E47C7C;         /* softer coral */
  --info: #6FA8DC;
  --dark: #0F172A;
  /* Bootstrap overrides for consistency */
  --bs-primary: #5BACDC;
  --bs-primary-rgb: 91, 172, 220;
  --bs-success: #34C19A;
  --bs-success-rgb: 52, 193, 154;
  --bs-warning: #F2B95C;
  --bs-warning-rgb: 242, 185, 92;
  --bs-danger: #E47C7C;
  --bs-danger-rgb: 228, 124, 124;
  --bs-info: #6FA8DC;
  --bs-info-rgb: 111, 168, 220;
  --slate-50: #F8FAFC;
  --slate-100: #F1F5F9;
  --slate-200: #E2E8F0;
  --slate-300: #CBD5E1;
  --slate-500: #64748B;
  --slate-700: #334155;
  --slate-900: #0F172A;
  --sidebar-w: 260px;
  --header-h: 64px;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, .10);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

*{
  font-family: 'Sarabun', sans-serif;
}
body {
  /* font-family: 'Sarabun', 'Prompt', system-ui, -apple-system, 'Segoe UI', sans-serif; */
  /* font-family: 'Sarabun', sans-serif; */
  background: var(--slate-100);
  color: var(--slate-900);
  font-size: 14.5px;
  margin: 0;
}

/* Login */
.login-bg {
  min-height: 100vh;
  background: linear-gradient(135deg, #82C5E0 0%, #5BACDC 50%, #4A93BD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.login-bg::before,
.login-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  filter: blur(40px);
}

.login-bg::before {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -120px;
  animation: float 8s ease-in-out infinite;
}

.login-bg::after {
  width: 360px;
  height: 360px;
  bottom: -100px;
  left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0)
  }

  50% {
    transform: translateY(20px)
  }
}

.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .15);
  width: 100%;
  max-width: 420px;
  z-index: 1;
  animation: slideUp .5s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.login-logo {
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  filter: drop-shadow(0 6px 14px rgba(15, 23, 42, .12));
  animation: logoFloat 4s ease-in-out infinite;
}
.login-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

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

.sidebar {
  width: var(--sidebar-w);
  background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
  color: #CBD5E1;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease;
}

.sidebar-brand {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.sidebar-brand .brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
  padding: 4px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, .25);
  flex-shrink: 0;
}
.sidebar-brand .brand-text { min-width: 0; }

.sidebar-brand .title {
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
}

.sidebar-brand .subtitle {
  color: #94A3B8;
  font-size: 11px;
}

.sidebar-menu {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
}

.sidebar-menu .menu-section {
  font-size: 11px;
  text-transform: uppercase;
  color: #64748B;
  padding: 14px 12px 6px;
  letter-spacing: .5px;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: #CBD5E1;
  text-decoration: none;
  font-size: 14px;
  transition: all .2s ease;
  margin-bottom: 2px;
}

.sidebar-menu a:hover {
  background: rgba(14, 165, 233, .12);
  color: #fff;
  transform: translateX(2px);
}

.sidebar-menu a.active {
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(14, 165, 233, .4);
}

.sidebar-menu a.active i {
  color: #fff;
}

.sidebar-menu .icon {
  width: 20px;
  display: inline-flex;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: 12px;
  color: #64748B;
  text-align: center;
}

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.topbar .page-title {
  font-weight: 600;
  color: var(--slate-900);
  font-size: 16px;
}

.topbar .topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border-radius: 30px;
  cursor: pointer;
  transition: all .2s;
}

.user-chip:hover {
  background: var(--slate-100);
}

.user-chip .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.user-chip .info {
  line-height: 1.2;
}

.user-chip .info .name {
  font-weight: 600;
  font-size: 13.5px;
}

.user-chip .info .role {
  font-size: 11.5px;
  color: var(--slate-500);
}

.content {
  padding: 24px;
  flex: 1;
}

/* Cards */
.card {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background: #fff;
  border-bottom: 1px solid var(--slate-200);
  padding: 16px 20px;
  font-weight: 600;
  border-radius: var(--radius) var(--radius) 0 0 !important;
}

.card-body {
  padding: 20px;
}

.stat-card {
  position: relative;
  padding: 22px;
  background: #fff;
  border: 1px solid rgba(226, 232, 240, .7);
  border-radius: 18px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
  display: flex;
  align-items: center;
  gap: 18px;
  overflow: hidden;
  transition: transform .35s cubic-bezier(.4, 0, .2, 1), box-shadow .35s ease, border-color .35s ease;
  isolation: isolate;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, var(--primary-light) 0%, transparent 70%);
  opacity: .9;
  border-radius: 50%;
  transition: transform .55s ease, opacity .35s ease;
  z-index: -1;
}

.stat-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14, 165, 233, .04) 0%, transparent 60%);
  z-index: -1;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(15, 23, 42, .09);
  border-color: rgba(14, 165, 233, .18);
}

.stat-card:hover::before {
  transform: scale(1.35);
  opacity: 1;
}

.stat-card .stat-icon {
  position: relative;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #82C5E0 0%, #5BACDC 100%);
  color: #fff;
  font-size: 28px;
  flex-shrink: 0;
  box-shadow: 0 8px 18px rgba(91, 172, 220, .28), inset 0 1px 0 rgba(255, 255, 255, .25);
  transition: transform .35s cubic-bezier(.4, 0, .2, 1);
}

.stat-card:hover .stat-icon {
  transform: scale(1.08) rotate(-6deg);
}

.stat-card .stat-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, .25) 0%, transparent 50%);
  pointer-events: none;
}

.stat-card > *:not(.stat-icon) {
  position: relative;
  min-width: 0;
}

.stat-card .stat-value {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.05;
  background: linear-gradient(135deg, #0F172A 0%, #475569 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -.5px;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--slate-500);
  margin-top: 6px;
  font-weight: 500;
  letter-spacing: .2px;
}

/* Variants */
.stat-card.success::before {
  background: radial-gradient(circle, #D1FAE5 0%, transparent 70%);
}
.stat-card.success::after {
  background: linear-gradient(135deg, rgba(16, 185, 129, .04) 0%, transparent 60%);
}
.stat-card.success .stat-icon {
  background: linear-gradient(135deg, #6DD4B0 0%, #34C19A 100%);
  box-shadow: 0 8px 18px rgba(52, 193, 154, .28), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.stat-card.success:hover {
  border-color: rgba(16, 185, 129, .2);
}

.stat-card.warning::before {
  background: radial-gradient(circle, #FEF3C7 0%, transparent 70%);
}
.stat-card.warning::after {
  background: linear-gradient(135deg, rgba(245, 158, 11, .05) 0%, transparent 60%);
}
.stat-card.warning .stat-icon {
  background: linear-gradient(135deg, #F8D08A 0%, #F2B95C 100%);
  box-shadow: 0 8px 18px rgba(242, 185, 92, .3), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.stat-card.warning:hover {
  border-color: rgba(245, 158, 11, .22);
}

.stat-card.danger::before {
  background: radial-gradient(circle, #FEE2E2 0%, transparent 70%);
}
.stat-card.danger::after {
  background: linear-gradient(135deg, rgba(239, 68, 68, .05) 0%, transparent 60%);
}
.stat-card.danger .stat-icon {
  background: linear-gradient(135deg, #F0A0A0 0%, #E47C7C 100%);
  box-shadow: 0 8px 18px rgba(228, 124, 124, .28), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.stat-card.danger:hover {
  border-color: rgba(239, 68, 68, .22);
}

.stat-card.info::before {
  background: radial-gradient(circle, #F3EAFD 0%, transparent 70%);
}
.stat-card.info::after {
  background: linear-gradient(135deg, rgba(126, 87, 194, .05) 0%, transparent 60%);
}
.stat-card.info .stat-icon {
  background: linear-gradient(135deg, #B58EC9 0%, #7E57C2 100%);
  box-shadow: 0 8px 18px rgba(126, 87, 194, .28), inset 0 1px 0 rgba(255, 255, 255, .25);
}
.stat-card.info:hover {
  border-color: rgba(126, 87, 194, .22);
}

/* Pulse for danger > 0 (optional enhancement) */
.stat-card.danger .stat-icon i {
  animation: statIconPulse 2.4s ease-in-out infinite;
}
@keyframes statIconPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
}

.status-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, .05);
}

.status-ปกติ,
.status-ok {
  background: #D1FAE5;
  color: #065F46;
}

.status-เฝ้าระวัง {
  background: #FEF3C7;
  color: #92400E;
}

.status-ไม่สามารถใช้งานได้,
.status-ใช้งานไม่ได้ {
  background: #FEE2E2;
  color: #991B1B;
}

.status-รอซ่อมแซม {
  background: #FED7AA;
  color: #9A3412;
}

.status-อยู่ระหว่างซ่อมแซม {
  background: #DBEAFE;
  color: #1E40AF;
}

.status-ซ่อมแซมเรียบร้อย {
  background: #D1FAE5;
  color: #065F46;
}

/* Buttons */
.btn {
  border-radius: 10px;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 14px;
  transition: all .2s;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, .3);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-soft-primary {
  background: var(--primary-light);
  color: var(--primary);
  border: none;
}

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

/* Tables */
.table thead {
  background: var(--slate-50);
}

.table thead th {
  font-weight: 600;
  color: var(--slate-700);
  font-size: 13px;
  border-bottom: 1px solid var(--slate-200);
  padding: 12px 14px;
}

.table tbody td {
  padding: 12px 14px;
  vertical-align: middle;
  border-bottom: 1px solid var(--slate-100);
}

.table-hover tbody tr:hover {
  background: var(--slate-50);
}

/* Forms */
.form-label {
  font-weight: 500;
  font-size: 13.5px;
  margin-bottom: 6px;
  color: var(--slate-700);
}

.form-control,
.form-select {
  border-radius: 10px;
  border-color: var(--slate-200);
  padding: 9px 12px;
  font-size: 14px;
}

/* Override: select needs extra right padding for the dropdown arrow */
.form-select {
  padding-right: 36px !important;
  background-position: right .75rem center;
}
.form-select-sm {
  padding-right: 28px !important;
  background-position: right .5rem center;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, .15);
}

/* Nav tabs */
.nav-tabs {
  border-bottom: 1px solid var(--slate-200);
}

.nav-tabs .nav-link {
  border: none;
  color: var(--slate-500);
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 0;
  position: relative;
}

.nav-tabs .nav-link:hover {
  color: var(--primary);
  border: none;
}

.nav-tabs .nav-link.active {
  color: var(--primary);
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  border: none;
}

.nav-tabs .nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
}

/* Animations */
.fade-in {
  animation: fadeIn .4s ease-out;
}

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

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .6
  }
}

/* Map */
#map {
  height: calc(100vh - var(--header-h) - 48px);
  border-radius: var(--radius);
  border: 1px solid var(--slate-200);
}

.map-marker-icon {
  background: var(--primary);
  width: 32px;
  height: 32px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
  border: 2px solid #fff;
}

.map-marker-icon i {
  transform: rotate(45deg);
  font-size: 16px;
}

.map-marker-icon.ok {
  background: var(--success);
}

.map-marker-icon.warn {
  background: var(--warning);
}

.map-marker-icon.bad {
  background: var(--danger);
}

.leaflet-popup-content {
  /* font-family: inherit; */
  min-width: 220px;
}

.leaflet-popup-content h6 {
  color: var(--primary);
  margin-bottom: 6px;
}

/* Image gallery */
.img-thumb {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  object-fit: cover;
  cursor: pointer;
  border: 2px solid var(--slate-200);
  transition: all .2s;
}

.img-thumb:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

/* Mobile */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--slate-700);
  font-size: 22px;
}

@media (max-width: 991px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .main {
    margin-left: 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .4);
    z-index: 999;
    display: none;
  }

  .sidebar-backdrop.show {
    display: block;
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--slate-500);
}

.empty-state i {
  font-size: 60px;
  opacity: .3;
  margin-bottom: 12px;
}

/* Loader */
.loader {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--slate-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Manager pill */
.manager-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--slate-100);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  margin: 2px;
}

.manager-pill .ti-trash {
  cursor: pointer;
  color: var(--danger);
  opacity: .6;
}

.manager-pill .ti-trash:hover {
  opacity: 1;
}

/* Tab content */
.tab-content {
  padding-top: 20px;
}

/* Search box */
.search-box {
  position: relative;
}

.search-box input {
  padding-left: 38px;
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--slate-500);
}

/* Filter chip */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--slate-200);
  cursor: pointer;
  font-size: 13px;
  transition: all .2s;
}

.filter-chip:hover {
  border-color: var(--primary);
}

.filter-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* DataTables override */
.dataTables_wrapper .dataTables_filter input {
  border-radius: 10px;
  border: 1px solid var(--slate-200);
  padding: 6px 12px;
}

.dataTables_wrapper .dataTables_length select {
  border-radius: 10px;
}

.page-item.active .page-link {
  background: var(--primary);
  border-color: var(--primary);
}

.page-link {
  color: var(--primary);
}

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 8px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0
  }

  100% {
    background-position: -200% 0
  }
}

/* Water Tank Visualization */
.tank-container {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 10px 0;
}
.tank-shape {
  width: 140px;
  height: 230px;
  position: relative;
  flex-shrink: 0;
}
.tank-shape::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 55%;
  height: 14px;
  background: #fff;
  border: 3px solid #CBD5E1;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  z-index: 2;
}
.tank-body {
  position: absolute;
  top: 14px;
  left: 0;
  right: 0;
  bottom: 0;
  border: 4px solid #CBD5E1;
  border-radius: 22px;
  background: linear-gradient(180deg, #fff 0%, #F8FAFC 100%);
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(15, 23, 42, .08), 0 4px 14px rgba(15, 23, 42, .08);
}
.tank-water {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(180deg, #B8DCEE 0%, #82C5E0 40%, #5BACDC 100%);
  transition: height 1.6s cubic-bezier(.4, 0, .2, 1);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 22px;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .25);
}
.tank-water > span {
  position: relative;
  z-index: 2;
}
.tank-water::before,
.tank-water::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 280px;
  height: 280px;
  margin-left: -140px;
  top: -268px;
  border-radius: 42%;
  background: #B8DCEE;
  animation: tankWave 8s linear infinite;
  z-index: 1;
}
.tank-water::after {
  background: rgba(255, 255, 255, .35);
  border-radius: 47%;
  top: -272px;
  animation-duration: 12s;
  animation-direction: reverse;
}
@keyframes tankWave {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
.tank-info .label {
  color: var(--slate-500);
  font-size: 13px;
}
.tank-info .value {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
  margin-top: 2px;
}
.tank-info .unit {
  color: var(--slate-500);
  font-size: 12.5px;
  margin-top: 4px;
}
.tank-status {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}
.tank-status.low { background: #FEE2E2; color: #991B1B; }
.tank-status.mid { background: #FEF3C7; color: #92400E; }
.tank-status.high { background: #D1FAE5; color: #065F46; }

@media (max-width: 575px) {
  .tank-container { flex-direction: column; gap: 16px; text-align: center; }
}