/* ==== Termalis Unified Design System ==== */
:root {
  /* Admin colors (admin.html based) */
  --admin-primary: #2c3e50;
  --admin-primary-light: #34495e;
  --admin-secondary: #3498db;
  --admin-secondary-dark: #2980b9;
  --admin-success: #2ecc71;
  --admin-warning: #f39c12;
  --admin-danger: #e74c3c;
  --admin-info: #3498db;

  /* User-facing app colors (original) */
  --primary: #005cbf;
  --primary-dark: #00479a;
  --blue: #005cbf;
  --blue-dark: #00479a;
  --bg: #f4f6f8;
  --radius: 12px;
  --font: 'Inter', sans-serif;

  /* Neutral colors */
  --gray-50: #f8f9fa;
  --gray-100: #f4f6f8;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;

  /* Background colors */
  --bg-primary: #f4f6f8;
  --bg-white: #ffffff;
  --bg-light: #f8f9fa;

  /* Text colors */
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-muted: #999999;
  --text-white: #ffffff;

  /* Border and shadow */
  --border-color: #e9ecef;
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
}

/* Base styles */
* {
  box-sizing: border-box;
  font-family: var(--font-family);
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  /* Prevent render blocking while fonts load */
  font-display: swap;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--spacing-md) 0;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: var(--font-size-2xl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin: 0 0 var(--spacing-md) 0;
}

/* New: header class to match admin-partners */
.header {
  background: var(--admin-primary);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--box-shadow);
}

/* New: brand block */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-brand img {
  height: 72px;
  width: auto;
  display: block;
}

.brand-titles {
  display: flex;
  flex-direction: column;
  margin-left: 0.75rem;
}

.brand-titles .page-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-white);
}

.brand-titles .page-subtitle {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}

/* a11y utility */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* keep existing header style for generic header selector */
header {
  background: var(--admin-primary);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--box-shadow);
}

header h1 {
  margin: 0;
  font-size: var(--font-size-2xl);
}

/* Navigation styles */
.nav-btn {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: var(--font-size-base);
  cursor: pointer;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  transition: background-color 0.2s;
  text-decoration: none;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nav-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

/* Container and layout */
.container {
  padding: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.main-content {
  padding: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* Card styles */
.card {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  margin-bottom: var(--spacing-lg);
}

/* Form styles */
form.inline {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-primary);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--admin-secondary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

form.inline input {
  margin-bottom: 0;
  width: auto;
  min-width: 150px;
}

/* Button styles */
button,
.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  white-space: nowrap;
}

.btn-primary {
  background: var(--admin-secondary);
  color: var(--text-white);
}

.btn-primary:hover {
  background: var(--admin-secondary-dark);
}

.btn-success {
  background: var(--admin-success);
  color: var(--text-white);
}

.btn-success:hover {
  background: #27ae60;
}

.btn-warning {
  background: var(--admin-warning);
  color: var(--text-white);
}

.btn-warning:hover {
  background: #e67e22;
}

.btn-danger {
  background: var(--admin-danger);
  color: var(--text-white);
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-secondary {
  background: var(--gray-600);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: var(--gray-700);
}

form.inline button {
  background: var(--admin-success);
  color: var(--text-white);
  margin-bottom: 0;
  width: auto;
}

form.inline button:hover {
  background: #27ae60;
}

/* Action buttons */
.action-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  cursor: pointer;
  margin-right: var(--spacing-xs);
  font-weight: 500;
}

.delete-btn {
  background: var(--admin-danger);
  color: var(--text-white);
}

.delete-btn:hover {
  background: #c0392b;
}

.unassign-btn {
  background: var(--admin-warning);
  color: var(--text-white);
}

.unassign-btn:hover {
  background: #e67e22;
}

/* Tab styles */
.tabs {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.tabs button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--admin-secondary);
  color: var(--text-white);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s;
}

.tabs button:hover {
  background: var(--admin-secondary-dark);
}

.tabs button.active {
  background: var(--admin-secondary-dark);
}

/* Table styles */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-white);
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

th,
td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

th {
  background: var(--gray-100);
  font-weight: 600;
  color: var(--text-primary);
}

tr:hover {
  background: var(--gray-50);
}

/* Reusable primary-styled data table (matches Partners table) */
.table-primary {
  width: 100%;
  background: var(--bg-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  margin-bottom: var(--spacing-xl);
}

.table-primary table {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
  /* avoid double background with container */
  box-shadow: none;
  /* avoid double shadow */
}

.table-primary th {
  background: var(--admin-primary);
  color: var(--text-white);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  font-size: 0.9rem;
}

.table-primary td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table-primary tr:hover {
  background: var(--gray-50);
}

/* Unified Actions column alignment */
.table-primary tbody td:last-child {
  text-align: right;
  white-space: nowrap;
}

/* Status indicators */
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}

.status-dot.online {
  background: var(--admin-success);
}

.status-dot.offline {
  background: var(--admin-danger);
}

.status-dot.unassigned {
  background: var(--gray-500);
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  padding: var(--spacing-xl);
  /* add safe-area padding so content not glued to edges */
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--bg-white);
  margin: auto;
  padding: 0;
  border-radius: 12px;
  /* slightly larger */
  max-width: 800px;
  /* make width consistent */
  width: 100%;
  max-height: calc(100vh - 2 * var(--spacing-xl));
  overflow: hidden;
  /* clip rounded corners */
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  min-height: 0;
  /* allow inner scroller to shrink */
}

.modal-header {
  position: sticky;
  top: 0;
  background: var(--bg-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-xl);
}

.modal-body {
  padding: var(--spacing-xl);
  flex: 1 1 auto;
  /* take remaining space between header/footer */
  min-height: 0;
  /* enable scrolling on overflow */
  overflow: auto;
  /* scroll inner content */
}

@media (max-width: 700px) {
  .modal-body .form-row {
    grid-template-columns: 1fr;
  }
}

.modal-footer {
  position: sticky;
  bottom: 0;
  background: var(--bg-white);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: var(--text-primary);
}

/* Toast notifications */
.toast {
  position: fixed;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-800);
  color: var(--text-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius);
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1100;
  max-width: 400px;
  text-align: center;
}

.toast.show {
  opacity: 1;
}

/* Loading and error states */
.loading {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--text-secondary);
}

.error-message {
  background: #f8d7da;
  color: #721c24;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
  display: none;
}

.error-message.show {
  display: block;
}

/* Utility classes */
.hidden {
  display: none !important;
}

.visible {
  display: block !important;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* Demo button styling */
.demo-btn {
  margin-top: var(--spacing-sm) !important;
  background: var(--gray-600) !important;
  color: var(--text-white) !important;
}

.demo-btn:hover {
  background: var(--gray-700) !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mb-1 {
  margin-bottom: var(--spacing-xs) !important;
}

.mb-2 {
  margin-bottom: var(--spacing-sm) !important;
}

.mb-3 {
  margin-bottom: var(--spacing-md) !important;
}

.mb-4 {
  margin-bottom: var(--spacing-lg) !important;
}

.mb-5 {
  margin-bottom: var(--spacing-xl) !important;
}

.mt-0 {
  margin-top: 0 !important;
}

.mt-1 {
  margin-top: var(--spacing-xs) !important;
}

.mt-2 {
  margin-top: var(--spacing-sm) !important;
}

.mt-3 {
  margin-top: var(--spacing-md) !important;
}

.mt-4 {
  margin-top: var(--spacing-lg) !important;
}

.mt-5 {
  margin-top: var(--spacing-xl) !important;
}

/* Responsive design */
@media (max-width: 768px) {

  .container,
  .main-content {
    padding: var(--spacing-md);
  }

  header {
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .tabs {
    flex-direction: column;
  }

  form.inline {
    flex-direction: column;
    align-items: stretch;
  }

  form.inline input,
  form.inline button {
    width: 100%;
  }

  table {
    font-size: var(--font-size-sm);
  }

  th,
  td {
    padding: var(--spacing-sm);
  }

  .modal-content {
    max-width: 95%;
    margin: var(--spacing-md);
  }
}

/* Auth pages (login, register) specific styles */
body.auth-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-md);
}

.auth-container {
  background: var(--bg-white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-lg);
  max-width: 400px;
  width: 100%;
}

.auth-container h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.auth-container input {
  margin-bottom: var(--spacing-md);
}

.auth-container button {
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: var(--text-white);
  font-weight: 600;
  margin-top: var(--spacing-md);
}

.auth-container button:hover {
  opacity: 0.9;
}

.back-link {
  text-align: center;
  margin-top: var(--spacing-md);
}

.back-link a {
  color: #667eea;
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.back-link a:hover {
  text-decoration: underline;
}

/* ==== Alarms & Statistics Styles ==== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  text-align: center;
  border: 1px solid var(--border-color);
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  color: var(--admin-primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Alarm status colors */
.stat-number.alarms {
  color: var(--admin-warning);
}

.stat-number.critical {
  color: var(--admin-danger);
}

.stat-number.offline {
  color: var(--admin-danger);
}

/* Modal Styles */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

.modal-content {
  position: relative;
  margin: 5% auto;
  width: 80%;
  max-width: 800px;
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  max-height: 80%;
  overflow-y: auto;
  box-shadow: var(--box-shadow-lg);
}

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

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0;
  width: 2rem;
  height: 2rem;
}

.modal-close:hover {
  color: var(--admin-danger);
}

/* Alarm detail styles */
.alarm-section {
  margin-bottom: 1.5rem;
}

.alarm-section h4 {
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.alarm-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.alarm-item {
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--bg-light);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--admin-warning);
}

.alarm-item.critical {
  border-left-color: var(--admin-danger);
}

.alarm-item.warning {
  border-left-color: var(--admin-warning);
}

.alarm-item.info {
  border-left-color: var(--admin-info);
}

.alarm-severity {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.alarm-message {
  margin: 0.5rem 0;
  color: var(--text-primary);
}

.alarm-details {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}