/* =============================================================================
   PROTOCOL RAW OPERATIONS PORTAL - LAYOUT
   Page structure: header, navigation, main content, footer
   ============================================================================= */

/* ---------------------------------------------------------------------------
   BASE RESET & DEFAULTS
   --------------------------------------------------------------------------- */

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

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

body {
  font-family: var(--font-body);
  font-weight: var(--font-weight-normal);
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: var(--line-height-relaxed);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------------------------------------------------------------------------
   HEADER
   --------------------------------------------------------------------------- */

.header {
  background: var(--bg-header);
  border-bottom: var(--border-width) solid var(--border-color);
  padding: var(--space-6) var(--space-10);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.header-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-2xl);
  color: var(--text-primary);
}

.header-info {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
}

/* ---------------------------------------------------------------------------
   NAVIGATION TABS
   --------------------------------------------------------------------------- */

.nav-tabs {
  background: var(--bg-surface-alt);
  border-bottom: var(--border-width) solid var(--border-color);
  padding: 0 var(--space-10);
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-sticky);
}

.nav-tabs-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
}

.nav-tabs-content::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}

.tab-button {
  font-family: var(--font-body);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--space-4) var(--space-6);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tab-button:hover {
  color: var(--text-primary);
  background: rgba(212, 135, 98, 0.05);
}

.tab-button.active {
  color: var(--text-primary);
  border-bottom-color: var(--color-primary);
  background: rgba(212, 135, 98, 0.1);
}

.tab-button:focus {
  outline: none;
}

.tab-button:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: -2px;
}

/* Tab icon (emoji) */
.tab-button-icon {
  font-size: var(--font-size-md);
}

/* ---------------------------------------------------------------------------
   MAIN CONTENT
   --------------------------------------------------------------------------- */

.main-content {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: var(--space-10);
  flex: 1;
  width: 100%;
}

/* Tab content panels */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Tab page title */
.page-title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

/* ---------------------------------------------------------------------------
   SECTIONS WITHIN TABS
   --------------------------------------------------------------------------- */

.section {
  margin: var(--space-10) 0;
  padding: var(--space-7);
  background: var(--bg-surface-alt);
  border-radius: var(--radius-lg);
  border: var(--border-width) solid rgba(75, 104, 91, 0.1);
}

.section:first-child {
  margin-top: 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
}

.section-title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin: 0;
}

.section-subtitle {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-text {
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  margin-bottom: var(--space-4);
}

/* ---------------------------------------------------------------------------
   FOOTER
   --------------------------------------------------------------------------- */

.footer {
  text-align: center;
  padding: var(--space-10);
  color: var(--text-secondary);
  font-size: var(--font-size-base);
  border-top: var(--border-width) solid var(--border-color);
  margin-top: auto;
}

.footer strong {
  color: var(--text-primary);
}

.footer-tagline {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ---------------------------------------------------------------------------
   RESPONSIVE ADJUSTMENTS
   --------------------------------------------------------------------------- */

/* Tablet and below */
@media (max-width: 1024px) {
  .header {
    padding: var(--space-5) var(--space-6);
  }
  
  .nav-tabs {
    padding: 0 var(--space-6);
  }
  
  .main-content {
    padding: var(--space-6);
  }
  
  .section {
    padding: var(--space-5);
    margin: var(--space-6) 0;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .header {
    padding: var(--space-4);
  }
  
  .header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }
  
  .header-title {
    font-size: var(--font-size-xl);
  }
  
  .nav-tabs {
    padding: 0 var(--space-4);
  }
  
  .tab-button {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
  }
  
  .main-content {
    padding: var(--space-4);
  }
  
  .section {
    padding: var(--space-4);
    margin: var(--space-4) 0;
  }
  
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
  
  .page-title {
    font-size: var(--font-size-lg);
  }
  
  .footer {
    padding: var(--space-6);
  }
}

/* ---------------------------------------------------------------------------
   SCROLL BEHAVIOR
   --------------------------------------------------------------------------- */

html {
  scroll-behavior: smooth;
}

/* Ensure content doesn't hide behind sticky header/nav */
:target {
  scroll-margin-top: calc(var(--header-height) + var(--nav-height) + var(--space-4));
}

/* ---------------------------------------------------------------------------
   OVERFLOW HANDLING FOR TABLES
   --------------------------------------------------------------------------- */

.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 calc(-1 * var(--space-4));
  padding: 0 var(--space-4);
}

@media (min-width: 1024px) {
  .table-container {
    margin: 0;
    padding: 0;
  }
}

/* ---------------------------------------------------------------------------
   PRINT STYLES
   --------------------------------------------------------------------------- */

@media print {
  .header,
  .nav-tabs,
  .footer {
    display: none;
  }
  
  .main-content {
    padding: 0;
    max-width: 100%;
  }
  
  .tab-content {
    display: block !important;
  }
  
  .section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}