/* SwiftDrone Custom CSS - Essential Styles Only */

/* Note: Primary variables now in variables.css (loaded first) */

/* Base Layout */
html {
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-body);
  color: var(--text-primary);
}

/* Light Mode Layout Backgrounds */
/* Navbar stays dark in light mode for brand consistency (like Uptic, Stripe, etc.) */
.navbar-modern {
  background: linear-gradient(135deg, var(--navbar-bg-start) 0%, var(--navbar-bg-end) 100%);
  border-bottom: 1px solid var(--navbar-border);
}

.sidebar,
.offcanvas {
  background: var(--bg-surface);
}

main {
  background-color: var(--bg-body);
}

/* Sticky Footer - Main container grows to fill space */
.container-fluid {
  flex: 1 0 auto;
}

main {
  animation: pageLoad 0.6s ease-out;
}

@keyframes pageLoad {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modern Cards */
.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-duration) ease;
}

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

/* Button Enhancements */
.btn {
  border-radius: var(--border-radius-md);
  font-weight: 500;
  transition: all var(--transition-duration) ease;
}

.btn-primary {
  background: var(--brand-gradient);
}

.btn-primary:hover {
  transform: var(--lift-sm);
  background: var(--brand-gradient-reverse);
}

/* Form Controls */
.form-control,
.form-select {
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-duration) ease, box-shadow var(--transition-duration) ease;
}

/* Alerts */
.alert {
  border-radius: var(--border-radius-lg);
  animation: slideDown var(--transition-slow) ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Alert Color Variants - Light Mode */
.alert-success {
  background: linear-gradient(90deg, rgba(var(--bs-success-rgb), 0.15) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-left: 4px solid var(--bs-success);
  color: var(--bs-success-text);
  border: 1px solid rgba(var(--bs-success-rgb), 0.3);
}

.alert-danger,
.alert-error {
  background: linear-gradient(90deg, rgba(var(--bs-danger-rgb), 0.15) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-left: 4px solid var(--bs-danger);
  color: var(--bs-danger-text);
  border: 1px solid rgba(var(--bs-danger-rgb), 0.3);
}

.alert-warning {
  background: linear-gradient(90deg, rgba(var(--bs-warning-rgb), 0.15) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-left: 4px solid var(--bs-warning);
  color: var(--bs-warning-text);
  border: 1px solid rgba(var(--bs-warning-rgb), 0.3);
}

.alert-info {
  background: linear-gradient(90deg, rgba(var(--bs-info-rgb), 0.15) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-left: 4px solid var(--bs-info);
  color: var(--bs-info-text);
  border: 1px solid rgba(var(--bs-info-rgb), 0.3);
}

/* Alert icons and close button */
.alert i {
  opacity: 0.8;
}

.alert .btn-close {
  opacity: 0.5;
}

.alert .btn-close:hover {
  opacity: 1;
}

/* Info Toolbar */
.info-toolbar {
  border-left: 4px solid var(--bs-primary);
  margin-bottom: 1.5rem;
  background: var(--info-toolbar-bg);
}

.info-toolbar.info-success {
  border-left-color: var(--bs-success);
}

.info-toolbar.info-warning {
  border-left-color: var(--bs-warning);
}

.info-toolbar.info-danger {
  border-left-color: var(--bs-danger);
}

/* Complex info toolbars with nested content */
.info-toolbar .card-body > .row {
  margin-left: 2.5rem;
  margin-top: 0.75rem;
}

/* Footer - Sticky to bottom */
footer {
  flex-shrink: 0;
  position: relative;
  z-index: 100;
  clear: both;
  width: 100%;
}

/* === HOME PAGE CARDS === */

/* Problem/Solution Cards */
.card-problem,
.card-solution {
  border-radius: var(--border-radius-lg);
}

.card-problem {
  background-color: var(--card-problem-bg);
}

.card-solution {
  background-color: var(--card-solution-bg);
}

/* Feature Cards with colored left borders */
.feature-card {
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--feature-border-color, var(--brand-primary));
}

.feature-card-engineering { --feature-border-color: var(--bs-danger); }
.feature-card-operations { --feature-border-color: var(--bs-info); }
.feature-card-kml { --feature-border-color: var(--bs-success); }
.feature-card-sora { --feature-border-color: var(--brand-tertiary); }
.feature-card-adsb { --feature-border-color: var(--bs-warning); }

/* SVG Icon Colors - use on parent element with fill="currentColor" on SVG */
.icon-warning { color: var(--bs-warning); }
.icon-info { color: var(--bs-info); }

/* Badge - Available (Bright Orange outline) */
.badge-available {
  background-color: transparent;
  border: 1px solid var(--brand-tertiary);
  color: var(--brand-tertiary);
}

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

/* Typography Utilities */
.title-tight {
  letter-spacing: -1px;
}

.lead-hero {
  font-size: 1.5rem;
  line-height: 1.6;
}

.section-title {
  font-size: 2.5rem;
}

.text-subtle {
  font-size: 1.1rem;
  opacity: 0.95;
}

.list-relaxed {
  line-height: 1.8;
}

/* Layout Utilities */
.content-narrow {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Icon Sizing Utilities */
.icon-sm {
  font-size: 1rem;
}

.icon-md {
  font-size: 1.5rem;
}

.icon-lg {
  font-size: 3rem;
}

.icon-circle-lg {
  width: 120px;
  height: 120px;
}

/* Component Classes */
.card-header-brand {
  background: var(--brand-gradient);
  color: white;
  border: none;
}

.table-header {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-medium);
}

html.dark-mode .table-header {
  background-color: var(--bg-tertiary);
}

.btn-nav-logout {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
}

/* Clear Chat Button */
.btn-clear-chat {
  background-color: var(--btn-clear-bg);
  border: 1px solid var(--btn-clear-border);
  border-radius: 20px;
  box-shadow: 0 2px 4px var(--black-overlay-10);
  transition: all 0.2s ease;
}

.btn-clear-chat:hover {
  background-color: var(--btn-clear-bg-hover);
  transform: translateY(-1px);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Processing Tasks Indicator */
#processing-tasks-container {
  margin-bottom: 0.5rem;
}

#processing-tasks-container .sidebar-heading {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#processing-tasks-container .task-count-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

#active-tasks-list .task-item {
  padding: 0.75rem;
  border: none;
  border-bottom: 1px solid var(--black-overlay-10);
  transition: all var(--transition-fast) ease;
  background: transparent;
  text-decoration: none;
  color: inherit;
}

#active-tasks-list .task-item strong {
  color: var(--bs-primary);
}

.dark-mode #active-tasks-list .task-item strong {
  color: var(--accent-primary);
}

#active-tasks-list .task-item small {
  opacity: 0.85;
}

#active-tasks-list .task-item:hover {
  background-color: var(--black-overlay-5);
  padding-left: 1rem;
}

.dark-mode #active-tasks-list .task-item:hover {
  background-color: var(--white-overlay-5);
}

#active-tasks-list .task-item:first-child {
  border-top: 1px solid var(--black-overlay-10);
}

#active-tasks-list .task-item:last-child {
  border-bottom: none;
}

#active-tasks-list .task-item .progress {
  background-color: var(--black-overlay-10);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

#active-tasks-list .task-item .progress-bar {
  transition: width 0.3s ease;
}

#active-tasks-list .task-item .fa-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

#active-tasks-list .task-item .fa-check-circle {
  animation: checkPulse 0.6s ease-out;
}

@keyframes checkPulse {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}