/* JFE Steel Professional UI Framework - Bootstrap Light Blue/White Theme */
/* Corporate Colors: Light Blue & White Bootstrap Style */

:root {
  /* Sky Blue/Light Blue Theme Colors */
  --jfe-primary: #87ceeb;  /* Sky Blue */
  --jfe-secondary: #6c757d;
  --jfe-accent: #87cefa;   /* Light Sky Blue */
  --jfe-success: #28a745;
  --jfe-warning: #ffc107;
  --jfe-danger: #dc3545;
  --jfe-info: #add8e6;     /* Light Blue */
  
  /* Background Colors - Light Blue/White Theme */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --bg-dark: #343a40;
  
  /* Text Colors - Bootstrap Style */
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-light: #adb5bd;
  --text-white: #ffffff;
  
  /* Border Colors - Bootstrap Style */
  --border-light: #dee2e6;
  --border-medium: #ced4da;
  
  /* Shadow Definitions */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Noto Sans JP", sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Mono", "Segoe UI Mono", "Roboto Mono", monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 1rem 0;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin: 0 0 1rem 0;
}

a {
  color: var(--jfe-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--jfe-primary);
  text-decoration: underline;
}

/* Container */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-md);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

@media (max-width: 768px) {
  .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Card Component */
.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
}

.card-body {
  padding: var(--space-lg);
}

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-light);
  background-color: var(--bg-secondary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: #4682b4;
  border-color: #4682b4;
}

.btn-secondary {
  background-color: var(--jfe-accent);
  color: var(--text-white);
  border-color: var(--jfe-accent);
}

.btn-secondary:hover:not(:disabled) {
  background-color: #4169e1;
  border-color: #4169e1;
}

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

.btn-danger:hover:not(:disabled) {
  background-color: #AA0000;
  border-color: #AA0000;
}

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

.btn-success:hover:not(:disabled) {
  background-color: #008833;
  border-color: #008833;
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--jfe-primary);
  color: var(--text-white);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: var(--space-sm);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--jfe-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-control:disabled {
  background-color: var(--bg-tertiary);
  cursor: not-allowed;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A5568' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 12px;
  padding-right: 2.5rem;
}

/* Tables */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-primary);
}

.table th,
.table td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.table th {
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
}

.table tbody tr:hover {
  background-color: var(--bg-secondary);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-sm);
}

.badge-primary {
  background-color: var(--jfe-primary);
  color: var(--text-white);
}

.badge-success {
  background-color: var(--jfe-success);
  color: var(--text-white);
}

.badge-danger {
  background-color: var(--jfe-danger);
  color: var(--text-white);
}

.badge-warning {
  background-color: var(--jfe-warning);
  color: var(--text-white);
}

.badge-info {
  background-color: var(--jfe-info);
  color: var(--text-white);
}

/* Navigation */
.navbar {
  background-color: var(--jfe-primary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--space-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-white);
}

.navbar-brand img {
  height: 40px;
  margin-right: var(--space-md);
}

.navbar-nav {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-nav-item {
  margin-left: var(--space-lg);
}

.navbar-nav-link {
  color: var(--text-white);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.navbar-nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.navbar-nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Sidebar */
.sidebar {
  width: 260px;
  height: 100vh;
  background-color: var(--bg-primary);
  border-right: 1px solid var(--border-light);
  overflow-y: auto;
}

.sidebar-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-light);
}

.sidebar-nav {
  padding: var(--space-md) 0;
}

.sidebar-nav-item {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-nav-item:hover {
  background-color: var(--bg-secondary);
  color: var(--jfe-primary);
  text-decoration: none;
}

.sidebar-nav-item.active {
  background-color: var(--bg-secondary);
  color: var(--jfe-primary);
  border-left: 3px solid var(--jfe-primary);
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-dialog {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-lg);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

/* Alerts */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
}

.alert-icon {
  margin-right: var(--space-md);
  flex-shrink: 0;
}

.alert-success {
  background-color: #D4EDDA;
  color: #155724;
  border: 1px solid #C3E6CB;
}

.alert-danger {
  background-color: #F8D7DA;
  color: #721C24;
  border: 1px solid #F5C6CB;
}

.alert-warning {
  background-color: #FFF3CD;
  color: #856404;
  border: 1px solid #FFEEBA;
}

.alert-info {
  background-color: #D1ECF1;
  color: #0C5460;
  border: 1px solid #BEE5EB;
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-top-color: var(--jfe-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--jfe-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--jfe-success); }
.text-danger { color: var(--jfe-danger); }
.text-warning { color: var(--jfe-warning); }
.text-info { color: var(--jfe-info); }
.text-light { color: var(--text-light); }
.text-white { color: var(--text-white); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-light { background-color: var(--bg-tertiary); }
.bg-dark { background-color: var(--bg-dark); }

.m-0 { margin: 0; }
.m-1 { margin: var(--space-sm); }
.m-2 { margin: var(--space-md); }
.m-3 { margin: var(--space-lg); }
.m-4 { margin: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

.flex-1 { flex: 1; }
.flex-grow-0 { flex-grow: 0; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.flex-shrink-1 { flex-shrink: 1; }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 50%; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-none { box-shadow: none; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Camera Specific Styles */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.camera-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.camera-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.camera-header {
  padding: var(--space-md);
  background: linear-gradient(135deg, var(--jfe-primary) 0%, var(--jfe-accent) 100%);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.camera-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.camera-status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.camera-status.online {
  background-color: var(--jfe-success);
}

.camera-status.offline {
  background-color: var(--jfe-danger);
}

/* Performance indicators */
.performance-indicator {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--jfe-success);
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
  transition: background-color 0.3s;
}

.performance-indicator.fast {
  background-color: #4caf50;
}

.performance-indicator.normal {
  background-color: #ff9800;
}

.performance-indicator.slow {
  background-color: #f44336;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(244, 67, 54, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(244, 67, 54, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(244, 67, 54, 0);
  }
}

.camera-body {
  position: relative;
  background-color: #000;
  aspect-ratio: 16 / 9;
}

.camera-stream {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s;
}

.camera-stream.stale-image {
  opacity: 0.7;
  filter: grayscale(30%);
}

.camera-controls {
  padding: var(--space-md);
  background-color: var(--bg-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.camera-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  .sidebar {
    width: 220px;
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  
  .navbar-nav {
    display: none;
  }
  
  .camera-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 576px) {
  .container {
    max-width: 100%;
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  h5 { font-size: 1.125rem; }
  h6 { font-size: 1rem; }
}

/* Print Styles */
@media print {
  .navbar,
  .sidebar,
  .btn,
  .modal {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
}