/**
 * Custom Icon System - CSS Styles
 * For Chainbot 1 Icon Integration
 */

/* ============================================
   Base Icon Styles
   ============================================ */

.icon {
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.icon:not([width]) {
  width: 24px;
  height: 24px;
}

/* ============================================
   Icon Size Presets
   ============================================ */

.icon.xs {
  width: 12px;
  height: 12px;
}

.icon.sm {
  width: 16px;
  height: 16px;
}

.icon.md {
  width: 24px;
  height: 24px;
}

.icon.lg {
  width: 32px;
  height: 32px;
}

.icon.xl {
  width: 48px;
  height: 48px;
}

.icon.xxl {
  width: 64px;
  height: 64px;
}

/* ============================================
   Icon Inline Usage (with text)
   ============================================ */

.icon-inline {
  margin-right: 6px;
  vertical-align: -2px;
}

.icon-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: inherit;
  line-height: 1;
}

.icon-label .icon {
  margin-right: 0;
  flex-shrink: 0;
}

.label-text {
  display: inline;
}

/* ============================================
   Icon Colors (Theme Integration)
   ============================================ */

.icon {
  color: var(--text, #e2e8f0);
}

.icon.primary {
  stroke: var(--accent, #667eea);
}

.icon.secondary {
  stroke: var(--secondary, #764ba2);
}

.icon.accent {
  stroke: var(--accent, #667eea);
}

.icon.success {
  stroke: var(--green, #10b981);
}

.icon.warning {
  stroke: var(--orange, #f59e0b);
}

.icon.error,
.icon.danger {
  stroke: var(--error, #ef4444);
}

.icon.info {
  stroke: var(--blue, #3b82f6);
}

.icon.muted {
  stroke: var(--dim, #475569);
}

.icon.disabled {
  stroke: var(--dim, #475569);
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Status Indicators (● and ○)
   ============================================ */

.status-indicator {
  display: inline-block;
  border-radius: 50%;
  margin-right: 6px;
  flex-shrink: 0;
  animation: none;
}

.status-indicator.active {
  background-color: var(--green, #10b981);
  box-shadow: 0 0 6px var(--green, #10b981),
              inset 0 0 2px rgba(255, 255, 255, 0.5);
}

.status-indicator.inactive {
  background-color: var(--dim, #475569);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.status-indicator.pending {
  background-color: var(--orange, #f59e0b);
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.status-indicator.error {
  background-color: var(--error, #ef4444);
  box-shadow: 0 0 6px var(--error, #ef4444);
}

/* ============================================
   Icon Buttons
   ============================================ */

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text, #e2e8f0);
  transition: all 0.2s ease;
}

.icon-btn:hover {
  background-color: rgba(102, 126, 234, 0.1);
  border-color: rgba(102, 126, 234, 0.2);
  color: var(--accent, #667eea);
}

.icon-btn:active {
  background-color: rgba(102, 126, 234, 0.2);
  transform: scale(0.95);
}

.icon-btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  pointer-events: none;
}

.icon-btn.primary:hover {
  background-color: rgba(102, 126, 234, 0.1);
  color: var(--accent, #667eea);
}

.icon-btn.danger:hover {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--error, #ef4444);
}

.icon-btn.success:hover {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--green, #10b981);
}

/* ============================================
   Icon in Different Contexts
   ============================================ */

/* In buttons */
button .icon,
a .icon,
.btn .icon {
  vertical-align: -2px;
  margin-right: 6px;
}

/* In form inputs */
.input-group .icon {
  margin: 0 8px;
  color: var(--dim, #475569);
}

/* In headers */
h1 .icon,
h2 .icon,
h3 .icon,
h4 .icon,
h5 .icon,
h6 .icon {
  margin-right: 8px;
  vertical-align: -2px;
}

/* In badges */
.badge .icon,
.tag .icon {
  margin-right: 4px;
  vertical-align: 0;
}

/* In navigation */
nav .icon,
.navbar .icon,
.sidebar .icon {
  margin: 0 8px 0 0;
  width: 20px;
  height: 20px;
}

/* In cards */
.card .icon,
.panel .icon {
  margin-right: 8px;
}

/* ============================================
   Animations
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-2px);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-4px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Loading icon animation */
.icon.loading {
  animation: spin 1s linear infinite;
}

/* Pulsing icon (for attention) */
.icon.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Bouncing icon */
.icon.bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* Slide in animation */
.icon.animate-in {
  animation: slideIn 0.3s ease-out;
}

/* ============================================
   Hover Effects
   ============================================ */

.icon.hover-lift:hover {
  transform: translateY(-2px);
}

.icon.hover-scale:hover {
  transform: scale(1.1);
}

.icon.hover-rotate:hover {
  transform: rotate(15deg);
}

.icon.hover-glow:hover {
  filter: drop-shadow(0 0 4px currentColor);
}

/* ============================================
   Responsive Adjustments
   ============================================ */

@media (max-width: 768px) {
  .icon {
    /* Icons can be slightly smaller on mobile */
  }
  
  .icon.md {
    width: 20px;
    height: 20px;
  }
  
  .icon.lg {
    width: 28px;
    height: 28px;
  }
  
  .icon-btn {
    padding: 8px;
  }
}

/* ============================================
   Dark Mode Adjustments
   ============================================ */

@media (prefers-color-scheme: dark) {
  .icon {
    color: var(--text, #e2e8f0);
  }
  
  .icon-btn:hover {
    background-color: rgba(102, 126, 234, 0.15);
  }
}

/* ============================================
   Light Mode Adjustments
   ============================================ */

@media (prefers-color-scheme: light) {
  .icon {
    color: var(--text, #1f2937);
  }
  
  .icon.muted {
    stroke: var(--dim, #9ca3af);
  }
  
  .icon-btn:hover {
    background-color: rgba(102, 126, 234, 0.08);
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .icon {
    /* Keep icons visible in print */
  }
  
  .icon.loading,
  .icon.pulse,
  .icon.bounce {
    animation: none;
  }
}

/* ============================================
   Accessibility
   ============================================ */

.icon[role="img"] {
  /* Icons with role="img" should have aria-label */
}

.icon:focus {
  outline: 2px solid var(--accent, #667eea);
  outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .icon,
  .status-indicator {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================
   Special States
   ============================================ */

.icon[aria-disabled="true"],
.icon.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.icon[aria-hidden="true"] {
  display: none;
}

/* ============================================
   Icon Combinations
   ============================================ */

.icon-group {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

.icon-stack {
  position: relative;
  display: inline-block;
}

.icon-stack .icon {
  position: absolute;
}

.icon-stack .icon:first-child {
  position: relative;
}

/* ============================================
   Utility Classes
   ============================================ */

.icon-flex-start {
  justify-self: flex-start;
}

.icon-flex-end {
  justify-self: flex-end;
}

.icon-center {
  justify-self: center;
}

.icon-no-margin {
  margin: 0 !important;
}

.icon-no-shrink {
  flex-shrink: 0;
}