/* ============================================
   KNWU Actiewebsite – Herbruikbare Componenten
   ============================================ */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.2;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--knwu-oranje);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--knwu-oranje);
  color: var(--wit);
  border-color: var(--knwu-oranje);
}

.btn--primary:hover {
  background: var(--knwu-oranje-hover);
  border-color: var(--knwu-oranje-hover);
  color: var(--wit);
}

.btn--secondary {
  background: var(--knwu-blauw);
  color: var(--wit);
  border-color: var(--knwu-blauw);
}

.btn--secondary:hover {
  background: var(--knwu-blauw-hover);
  border-color: var(--knwu-blauw-hover);
  color: var(--wit);
}

.btn--outline {
  background: transparent;
  color: var(--knwu-oranje);
  border-color: var(--knwu-oranje);
}

.btn--outline:hover {
  background: var(--knwu-oranje);
  color: var(--wit);
}

.btn--ghost {
  background: transparent;
  color: var(--grijs-700);
  border-color: var(--grijs-300);
}

.btn--ghost:hover {
  background: var(--grijs-100);
  border-color: var(--grijs-400);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn--block {
  display: flex;
  width: 100%;
}

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

/* --- Cards --- */
.card {
  background: var(--wit);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--grijs-200);
}

.card__body {
  padding: var(--space-lg);
}

.card__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--grijs-200);
  background: var(--grijs-50);
}

/* Card variant: accent border */
.card--accent {
  border-top: 4px solid var(--knwu-oranje);
}

.card--blauw {
  border-top: 4px solid var(--knwu-blauw);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge--oranje {
  background: var(--knwu-oranje-light);
  color: var(--knwu-oranje);
}

.badge--blauw {
  background: var(--knwu-blauw-light);
  color: var(--knwu-blauw);
}

.badge--success {
  background: var(--success-light);
  color: var(--success);
}

.badge--grijs {
  background: var(--grijs-200);
  color: var(--grijs-600);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--grijs-700);
  margin-bottom: var(--space-xs);
}

.form-label .required {
  color: var(--error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--grijs-300);
  border-radius: var(--radius-md);
  background: var(--wit);
  color: var(--grijs-800);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--knwu-oranje);
  box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.15);
}

.form-input::placeholder {
  color: var(--grijs-400);
}

.form-input.error {
  border-color: var(--error);
}

.form-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: var(--space-xs);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--knwu-oranje);
  cursor: pointer;
  flex-shrink: 0;
}

.form-check label {
  font-size: 0.9rem;
  color: var(--grijs-700);
  cursor: pointer;
}

/* --- Progress Bar --- */
.progress {
  background: var(--grijs-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  height: 8px;
}

.progress__bar {
  height: 100%;
  background: var(--knwu-oranje);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-text {
  font-size: 0.8rem;
  color: var(--grijs-500);
  margin-top: var(--space-xs);
}

/* --- Countdown --- */
.countdown {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.countdown__item {
  text-align: center;
  min-width: 80px;
}

.countdown__number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--knwu-oranje);
  line-height: 1;
}

.countdown__label {
  display: block;
  font-size: 0.8rem;
  color: var(--grijs-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-xs);
}

/* --- Hero Section --- */
.hero {
  background: linear-gradient(135deg, var(--knwu-blauw) 0%, #001a4a 100%);
  color: var(--wit);
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 102, 0, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero h1 {
  color: var(--wit);
  font-size: 2.25rem;
  margin-bottom: var(--space-lg);
  position: relative;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  position: relative;
}

.hero-counter {
  font-size: 4rem;
  font-weight: 700;
  color: var(--knwu-oranje);
  margin: var(--space-xl) 0;
  position: relative;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  position: relative;
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  color: var(--grijs-500);
  font-size: 1.1rem;
}

/* --- Tooltip --- */
.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--grijs-200);
  color: var(--grijs-600);
  font-size: 0.75rem;
  cursor: help;
  border: none;
  position: relative;
  font-weight: 700;
  /* Ensure 44px touch target via padding */
  padding: 8px;
  box-sizing: content-box;
}

.tooltip-trigger:hover .tooltip-content,
.tooltip-trigger:focus .tooltip-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.tooltip-content {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--grijs-800);
  color: var(--wit);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 400;
  white-space: nowrap;
  max-width: 250px;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 100;
  pointer-events: none;
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--grijs-800);
}

/* --- Page Header --- */
.page-header {
  background: var(--knwu-blauw);
  color: var(--wit);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.page-header h1 {
  color: var(--wit);
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

/* --- Tables (Admin) --- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--grijs-200);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--grijs-200);
}

.table th {
  background: var(--grijs-50);
  font-weight: 600;
  color: var(--grijs-700);
  white-space: nowrap;
}

.table tr:last-child td {
  border-bottom: none;
}

.table tr:hover td {
  background: var(--grijs-50);
}

/* --- Modal --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--wit);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-overlay.visible .modal {
  transform: scale(1);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--grijs-200);
}

.modal__header h3 {
  margin: 0;
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--grijs-500);
  padding: var(--space-xs);
  line-height: 1;
}

.modal__close:hover {
  color: var(--grijs-800);
}

.modal__body {
  padding: var(--space-lg);
}

.modal__footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--grijs-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--grijs-400);
}

.empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.empty-state p {
  font-size: 1.1rem;
}