@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Light Theme Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;

  --accent-primary: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-glow: rgba(37, 99, 235, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.18);

  --success: #059669;
  --success-bg: rgba(5, 150, 105, 0.1);
  --danger: #dc2626;
  --danger-bg: rgba(220, 38, 38, 0.1);
  --warning: #b45309;
  --warning-bg: rgba(180, 83, 9, 0.1);

  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 15px var(--accent-glow);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

/* Header & Navigation */
header {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

header a.logo {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 12px;
}

header a.logo::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background-color: var(--accent-primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-primary);
}

.header-actions {
  display: flex;
  gap: 16px;
  align-items: center;
}

/* Buttons */
button, .btn {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
}

button:hover, .btn:hover {
  background-color: var(--border-hover);
  border-color: var(--border-hover);
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

form.inline {
  display: inline;
}

/* Layout */
main {
  padding: 40px 32px;
  max-width: 1400px;
  margin: 0 auto;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
}

/* Tables */
.table-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: var(--bg-tertiary);
  padding: 16px 24px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: var(--transition);
}

tr {
  transition: var(--transition);
}

tbody tr:hover {
  background-color: rgba(15, 23, 42, 0.025);
}

tbody tr:last-child td {
  border-bottom: none;
}

td a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: var(--transition);
}

td a:hover {
  color: var(--text-primary);
}

/* Badges */
.badge {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge.in {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(5, 150, 105, 0.2);
}

.badge.in::before {
  background-color: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.badge.out {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.badge.out::before {
  background-color: var(--text-muted);
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 12px 20px -8px rgba(15, 23, 42, 0.16), 0 0 15px rgba(15, 23, 42, 0.04);
}

.stat-card {
  padding: 25px;
}

.card-image-wrapper {
  position: relative;
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0.9;
}

.card:hover img {
  transform: scale(1.05);
  opacity: 1;
}

.card .meta {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta .timestamp {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta .app-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta .stats {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stat-item strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Login Page Specific */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 50% -20%, var(--bg-tertiary), var(--bg-primary) 80%);
  padding: 20px;
}

.login-card {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.14), 0 0 40px rgba(37, 99, 235, 0.08);
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  text-align: center;
}

.login-card p.subtitle {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
  font-size: 0.875rem;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  transition: var(--transition);
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: rgba(15, 23, 42, 0.02);
}

.login-card .btn-primary {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  margin-top: 8px;
}

.error-message {
  background: var(--danger-bg);
  color: #991b1b;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 24px;
  border: 1px solid rgba(220, 38, 38, 0.25);
  text-align: center;
}

/* App Layout (Master-Detail) */
.app-layout {
  display: flex;
  height: calc(100vh - 61px); /* minus header height */
  overflow: hidden;
}

.sidebar {
  width: 320px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

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

.user-item {
  border-bottom: 1px solid var(--border-color);
}

.user-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
}

.user-item a:hover {
  background-color: rgba(15, 23, 42, 0.025);
}

.user-item.active a {
  background-color: rgba(37, 99, 235, 0.08);
  border-left: 3px solid var(--accent-primary);
}

.user-item .user-name {
  font-weight: 500;
}

.user-name-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.user-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.prod-pct {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.prod-good {
  color: var(--success);
  background-color: var(--success-bg);
}

.prod-mid {
  color: var(--warning);
  background-color: var(--warning-bg);
}

.prod-low {
  color: var(--danger);
  background-color: var(--danger-bg);
}

.main-content {
  flex: 1;
  width: 100%;
  min-width: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 40px;
  background-color: var(--bg-primary);
}

/* Image Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.modal-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: -40px;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: 8px;
  line-height: 1;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--accent-primary);
  transform: scale(1.1);
}

.empty-state {
  grid-column: 1 / -1;
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
}

/* Utilities */
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

/* Sidebar Nav Items */
.nav-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary) !important;
}

.active-nav {
  background-color: var(--accent-primary) !important;
  color: #ffffff !important;
}

/* Intelligence Megabar */
.megabar-container {
  background-color: var(--bg-tertiary);
  height: 24px;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  margin-top: 15px;
  border: 1px solid var(--border-color);
}

.megabar-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.megabar-severe { background-color: #dc2626; } /* Red */
.megabar-high { background-color: #ea580c; }   /* Orange */
.megabar-moderate { background-color: #ca8a04; } /* Yellow */
.megabar-guarded { background-color: #65a30d; }  /* Light Green */
.megabar-low { background-color: #059669; }      /* Green */

.legend-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 15px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

/* Net Risk Badge Styles */
.risk-badge {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
}

.risk-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
}

.risk-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
}

.risk-success {
  background-color: var(--success-bg);
  color: var(--success);
}
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 24px;
  transition: var(--transition);
}
.back-link:hover {
  color: var(--text-primary);
  transform: translateX(-4px);
}

.grid.split-grid {
  grid-template-columns: 1fr 2fr;
  gap: 30px;
  align-items: start;
}

/* Responsive breakpoints */
@media (max-width: 900px) {
  .app-layout {
    flex-direction: column;
    height: auto;
    overflow: visible;
  }

  .sidebar {
    width: 100%;
    max-height: 380px;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
  }

  .main-content {
    padding: 24px 20px;
  }

  .grid.split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  header {
    padding: 12px 16px;
    flex-wrap: wrap;
    gap: 10px;
  }

  header a.logo {
    font-size: 1.05rem;
  }

  .header-actions {
    width: 100%;
    flex-wrap: wrap;
    gap: 8px;
  }

  .header-actions .btn {
    flex: 1 1 auto;
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .main-content {
    padding: 16px;
  }

  h2 {
    font-size: 1.35rem;
    margin-bottom: 16px;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .sidebar {
    max-height: 320px;
  }

  .user-sub {
    max-width: 160px;
  }
}