/* ============================================
   COMPONENTS
   Buttons, cards, forms, lightbox, and reusable UI elements
   ============================================ */

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-family: var(--font-body);
  font-size: var(--btn-font-size);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--transition-base) var(--ease-smooth);
  position: relative;
  overflow: hidden;
}

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

/* Primary button - accent background */
.btn-primary {
  background: var(--accent);
  color: var(--btn-primary-text, #FFFFFF);
  box-shadow: var(--btn-shadow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  color: var(--btn-primary-text, #FFFFFF);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Outline button - transparent with border */
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: var(--border-2) solid var(--text-primary);
  box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
  background: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Accent outline */
.btn-accent-outline {
  background: transparent;
  color: var(--accent);
  border: var(--border-2) solid var(--accent);
}

.btn-accent-outline:hover:not(:disabled) {
  background: var(--accent);
  color: var(--text-primary);
  box-shadow: var(--shadow-glow-sm);
  transform: translateY(-2px);
}

/* Ghost button - minimal style */
.btn-ghost {
  background: transparent;
  color: var(--accent);
  padding: var(--space-3) var(--space-4);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  color: var(--accent-light);
  background: var(--accent-subtle);
}

/* Gold button */
.btn-gold {
  background: var(--accent-secondary);
  color: var(--text-inverse);
}

.btn-gold:hover:not(:disabled) {
  background: var(--accent-secondary-hover);
  box-shadow: 0 0 24px var(--accent-secondary-glow);
  transform: translateY(-2px);
}

/* Button sizes */
.btn-sm {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-5) var(--space-12);
  font-size: var(--text-lg);
}

.btn-xl {
  padding: var(--space-6) var(--space-16);
  font-size: var(--text-xl);
}

/* Full width button */
.btn-block {
  width: 100%;
  justify-content: center;
}

/* Button with icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ===== CARDS ===== */
.card {
  background: var(--card-bg);
  border: var(--border-1) solid var(--border-color);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-base) var(--ease-smooth),
              border-color var(--transition-base) var(--ease-smooth),
              box-shadow var(--transition-base) var(--ease-smooth);
  -webkit-backdrop-filter: var(--blur-base);
  backdrop-filter: var(--blur-base);
  position: relative;
  overflow: hidden;
}


.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent);
}

/* Card variants */
.card-flat {
  box-shadow: none;
  border: var(--border-1) solid var(--border-color);
}

.card-elevated {
  box-shadow: var(--shadow-xl);
}

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

/* Card header */
.card-header {
  padding-bottom: var(--space-5);
  border-bottom: var(--border-1) solid var(--border-color);
  margin-bottom: var(--space-5);
}

.card-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

/* Card body */
.card-body {
  /* Default padding already on .card */
}

/* Card footer */
.card-footer {
  padding-top: var(--space-5);
  border-top: var(--border-1) solid var(--border-color);
  margin-top: var(--space-5);
}

.card-footer strong {
  color: var(--accent-secondary);
}

/* ===== FORMS ===== */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--input-padding);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--input-text);
  background: var(--input-bg);
  border: var(--border-1) solid var(--input-border);
  border-radius: var(--input-radius);
  transition: all var(--transition-base) var(--ease-smooth);
  -webkit-backdrop-filter: var(--blur-sm);
  backdrop-filter: var(--blur-sm);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 3px var(--accent-subtle), var(--shadow-md);
  background: var(--bg-elevated);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--input-placeholder);
}

/* Select dropdown */
.form-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23F5F5F5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
  cursor: pointer;
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--accent);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--text-secondary);
  cursor: pointer;
}

/* Form validation states */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #DC2626;
}

.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: #10B981;
}

.form-error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: #DC2626;
}

.form-success {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: #10B981;
}

.form-help {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* ===== BADGES & TAGS ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-accent {
  background: var(--accent-subtle);
  color: var(--accent);
  border: var(--border-1) solid var(--accent);
}

.badge-gold {
  background: var(--accent-secondary-subtle);
  color: var(--accent-secondary);
  border: var(--border-1) solid var(--accent-secondary);
}

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

/* ===== LIGHTBOX - FULL IMPLEMENTATION ===== */
.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  opacity: 0;
  transition: opacity var(--transition-base);
  -webkit-backdrop-filter: var(--blur-md);
  backdrop-filter: var(--blur-md);
}

.lightbox-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
}

.lightbox-container {
  position: relative;
  width: 90%;
  height: 90%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image-wrapper {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  animation: lightboxZoomIn 0.3s var(--ease-out);
}

@keyframes lightboxZoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Lightbox close button */
.lightbox-close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 48px;
  height: 48px;
  background: rgba(10, 10, 10, 0.9);
  border: var(--border-2) solid var(--border-strong);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-3xl);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  -webkit-backdrop-filter: var(--blur-base);
  backdrop-filter: var(--blur-base);
  z-index: 10;
}

.lightbox-close:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: rotate(90deg);
  box-shadow: var(--shadow-glow-sm);
}

/* Lightbox navigation arrows */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(10, 10, 10, 0.8);
  border: var(--border-2) solid var(--border-strong);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: var(--text-2xl);
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  -webkit-backdrop-filter: var(--blur-base);
  backdrop-filter: var(--blur-base);
  z-index: 10;
}

.lightbox-prev {
  left: var(--space-6);
}

.lightbox-next {
  right: var(--space-6);
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow-sm);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-prev:disabled,
.lightbox-next:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-prev:disabled:hover,
.lightbox-next:disabled:hover {
  background: rgba(10, 10, 10, 0.8);
  border-color: var(--border-strong);
  transform: translateY(-50%);
  box-shadow: none;
}

/* Lightbox counter */
.lightbox-counter {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: rgba(10, 10, 10, 0.9);
  border: var(--border-1) solid var(--border-strong);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wider);
  -webkit-backdrop-filter: var(--blur-base);
  backdrop-filter: var(--blur-base);
  z-index: 10;
}

/* Lightbox loading spinner */
.lightbox-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Mobile lightbox adjustments */
@media (max-width: 768px) {
  .lightbox-close {
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    font-size: var(--text-2xl);
  }
  
  .lightbox-prev,
  .lightbox-next {
    width: 44px;
    height: 44px;
    font-size: var(--text-xl);
  }
  
  .lightbox-prev {
    left: var(--space-3);
  }
  
  .lightbox-next {
    right: var(--space-3);
  }
  
  .lightbox-counter {
    bottom: var(--space-4);
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-4);
  }
}

/* ===== ALERTS ===== */
.alert {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border-left: var(--border-4) solid;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.alert-info {
  background: rgba(58, 134, 255, 0.1);
  border-color: #3A86FF;
  color: var(--text-primary);
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: #10B981;
  color: var(--text-primary);
}

.alert-warning {
  background: rgba(255, 184, 0, 0.1);
  border-color: #FFB800;
  color: var(--text-primary);
}

.alert-error {
  background: rgba(220, 38, 38, 0.1);
  border-color: #DC2626;
  color: var(--text-primary);
}

/* ===== TOOLTIPS ===== */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-2) var(--space-3);
  background: rgba(10, 10, 10, 0.95);
  color: var(--text-primary);
  font-size: var(--text-xs);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  border: var(--border-1) solid var(--border-strong);
  z-index: var(--z-tooltip);
  opacity: 0;
  transition: opacity var(--transition-fast);
  -webkit-backdrop-filter: var(--blur-base);
  backdrop-filter: var(--blur-base);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* ===== LOADERS ===== */
.loader {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.loader-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* ===== DIVIDERS ===== */
.divider {
  height: var(--border-1);
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--border-color) 20%,
    var(--border-strong) 50%,
    var(--border-color) 80%,
    transparent 100%
  );
  margin: var(--space-8) 0;
}

.divider-accent {
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent-secondary) 50%,
    transparent 100%
  );
  height: var(--border-2);
}

/* ===== PROGRESS BARS ===== */
.progress {
  width: 100%;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
  position: relative;
  overflow: hidden;
}

.progress-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%
  );
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== ACCORDIONS ===== */
.accordion-item {
  border-bottom: var(--border-1) solid var(--border-color);
  padding: var(--space-4) 0;
  transition: border-color var(--transition-base) var(--ease-smooth);
}

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

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-base) var(--ease-smooth);
}

.accordion-header:hover {
  color: var(--accent);
}

.accordion-icon {
  font-size: var(--text-xl);
  transition: transform var(--transition-base) var(--ease-smooth);
  color: var(--accent-secondary);
}

.accordion-item.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-slow) var(--ease-smooth),
              padding var(--transition-base) var(--ease-smooth),
              opacity var(--transition-base) var(--ease-smooth);
}

.accordion-item.active .accordion-content {
  max-height: 1000px;
  padding-top: var(--space-4);
  opacity: 1;
}