/* ==========================================
   SCP FOUNDATION THEME
   ========================================== */

:root {
  /* Colors */
  --color-bg: #1a1a1a;
  --color-bg-dark: #0d0d0d;
  --color-bg-light: #2a2a2a;
  --color-text: #f0f0f0;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #707070;
  
  --color-primary: #ffffff;
  --color-accent: #cc0000;
  --color-accent-dim: #8b0000;
  --color-border: #404040;
  
  --color-safe: #00cc00;
  --color-euclid: #ffaa00;
  --color-keter: #cc0000;
  --color-thaumiel: #6600cc;
  --color-neutralized: #808080;
  
  /* Clearance Colors */
  --clearance-1: #888888;
  --clearance-2: #4488ff;
  --clearance-3: #ffaa00;
  --clearance-4: #cc0000;
  --clearance-5: #000000;
  
  /* Typography */
  --font-main: 'Courier New', 'Courier', monospace;
  --font-header: 'Arial', 'Helvetica', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Transitions */
  --transition: 0.2s ease;
}

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

body {
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
}

h1 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: var(--spacing-sm);
}

h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent);
}

h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
}

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

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

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

/* ==========================================
   LAYOUT
   ========================================== */

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl);
  flex: 1;
}

.page-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: var(--color-bg-dark);
  border: 2px solid var(--color-accent);
  border-radius: 4px;
}

.page-description {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.page-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.main-nav {
  background: var(--color-bg-dark);
  border-bottom: 3px solid var(--color-accent);
  padding: 0;
}

.nav-brand {
  background: var(--color-accent);
  color: var(--color-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  text-align: center;
}

.nav-title {
  font-family: var(--font-header);
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.nav-subtitle {
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin-top: var(--spacing-xs);
  opacity: 0.9;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  gap: 0;
}

.nav-menu li {
  position: relative;
}

.nav-menu a,
.nav-menu button {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-primary);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: bold;
  letter-spacing: 1px;
  transition: all var(--transition);
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--font-header);
}

.nav-menu a:hover,
.nav-menu button:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.nav-menu a.active {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* ==========================================
   BUTTONS
   ========================================== */

.action-btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-primary);
  border: 2px solid var(--color-accent);
  border-radius: 4px;
  font-family: var(--font-header);
  font-size: 0.85rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
}

.action-btn:hover {
  background: var(--color-primary);
  color: var(--color-accent);
}

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

.action-btn.secondary:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.action-btn.danger {
  background: var(--color-keter);
  border-color: var(--color-keter);
}

.action-btn.danger:hover {
  background: #ff0000;
}

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

/* ==========================================
   FORMS
   ========================================== */

label {
  display: block;
  margin-bottom: var(--spacing-md);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 0.75rem;
  background: var(--color-bg-dark);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-main);
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
  transition: border-color var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* ==========================================
   TABLES
   ========================================== */

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-dark);
  border: 2px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.data-table th {
  background: var(--color-accent);
  color: var(--color-primary);
  padding: var(--spacing-md);
  text-align: left;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: bold;
  letter-spacing: 1px;
  border: 1px solid var(--color-accent-dim);
}

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

.data-table tbody tr:hover {
  background: rgba(204, 0, 0, 0.1);
}

/* ==========================================
   CARDS
   ========================================== */

.card {
  background: var(--color-bg-dark);
  border: 2px solid var(--color-border);
  border-radius: 4px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: border-color var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
}

.card-header {
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.2rem;
  color: var(--color-accent);
  margin: 0;
}

/* ==========================================
   MODALS
   ========================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
}

.modal-content {
  background: var(--color-bg);
  border: 3px solid var(--color-accent);
  border-radius: 4px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  background: var(--color-accent);
  color: var(--color-primary);
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  margin: 0;
  color: var(--color-primary);
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 30px;
  height: 30px;
}

.modal-body {
  padding: var(--spacing-xl);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 2px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.hidden {
  display: none !important;
}

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

.text-muted {
  color: var(--color-text-muted);
}

.error-message {
  background: rgba(204, 0, 0, 0.2);
  color: var(--color-accent);
  padding: var(--spacing-md);
  border: 1px solid var(--color-accent);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
  font-weight: bold;
}

.success-message {
  background: rgba(0, 204, 0, 0.2);
  color: var(--color-safe);
  padding: var(--spacing-md);
  border: 1px solid var(--color-safe);
  border-radius: 4px;
  margin-bottom: var(--spacing-md);
  font-weight: bold;
}

/* ==========================================
   SCP-SPECIFIC CLASSES
   ========================================== */

.clearance-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.clearance-1 { background: var(--clearance-1); color: #000; }
.clearance-2 { background: var(--clearance-2); color: #fff; }
.clearance-3 { background: var(--clearance-3); color: #000; }
.clearance-4 { background: var(--clearance-4); color: #fff; }
.clearance-5 { background: var(--clearance-5); color: #fff; border: 2px solid #fff; }

.object-class-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: bold;
  text-transform: uppercase;
}

.class-safe { background: var(--color-safe); color: #000; }
.class-euclid { background: var(--color-euclid); color: #000; }
.class-keter { background: var(--color-keter); color: #fff; }
.class-thaumiel { background: var(--color-thaumiel); color: #fff; }
.class-neutralized { background: var(--color-neutralized); color: #fff; }

.redacted {
  background: #000;
  color: #000;
  user-select: none;
  cursor: help;
}

.redacted:hover {
  background: #333;
  color: #666;
}

/* ==========================================
   FOOTER
   ========================================== */

.main-footer {
  background: var(--color-bg-dark);
  border-top: 3px solid var(--color-accent);
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.status-text {
  color: var(--color-safe);
  font-weight: bold;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }
  
  .nav-menu {
    flex-direction: column;
  }
  
  .page-actions {
    flex-direction: column;
  }
  
  .action-btn {
    width: 100%;
  }
}

/* Read-only interface state. API permission checks remain authoritative. */
.read-only-mode #add-personnel-btn,
.read-only-mode #add-item-btn,
.read-only-mode #add-unit-btn,
.read-only-mode #add-position-btn,
.read-only-mode #create-mission-btn,
.read-only-mode #create-project-btn,
.read-only-mode .edit-btn,
.read-only-mode .delete-btn,
.read-only-mode .unit-actions,
.read-only-mode .position-actions,
.read-only-mode .mission-action-btn.edit,
.read-only-mode .mission-action-btn.review,
.read-only-mode .mission-action-btn.delete,
.read-only-mode .project-action-btn.edit,
.read-only-mode .project-action-btn.review,
.read-only-mode .project-action-btn.delete {
  display: none !important;
}