/* =====================================================
   Neher-TOTA 2026
   Layout gebaseerd op de PA3EFR Morse website
===================================================== */

:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --background: #f8fafc;
  --surface: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --font-mono: 'Roboto Mono', monospace;
  --font-sans: 'Roboto', sans-serif;
  --orange-primary: #f97316;
  --orange-hover: #ea580c;
  --orange-light: #fed7aa;
  --yellow-primary: #fbbf24;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: linear-gradient(180deg, #000000, #fff500);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.site-header {
  text-align: center;
  margin-bottom: 30px;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 15px;
}

.header-logo {
  width: 300px;
  height: auto;
  object-fit: contain;
  cursor: pointer;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.header-logo:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.header-text {
  text-align: left;
}

.kicker {
  color: var(--orange-light);
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

header h1 {
  font-family: Arial, sans-serif;
  font-weight: bold;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  color: var(--yellow-primary);
  margin: 0;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
}

.subtitle {
  color: yellow;
  font-size: 1.15rem;
  margin-top: 12px;
}

/* Navigatie */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 30px;
  background-color: var(--surface);
  padding: 8px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.tab-btn {
  flex: 1;
  min-width: 150px;
  padding: 12px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background-color: var(--background);
  color: var(--text-primary);
}

.tab-btn.active {
  background-color: var(--primary-color);
  color: white;
}

/* Layout en kaarten */
main {
  display: grid;
  gap: 20px;
}

.card {
  background: var(--surface);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  animation: fadeIn 0.3s ease;
}

.card h2 {
  margin-bottom: 16px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.card h3 {
  margin: 26px 0 14px;
  color: var(--primary-color);
  font-size: 1.15rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 8px;
}

.card h3:first-child,
.card h2 + h3 {
  margin-top: 18px;
}

.card p {
  margin-bottom: 12px;
}

.section-intro {
  color: var(--text-secondary);
  margin-bottom: 18px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Welkom-feiten */
.event-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.fact {
  background: linear-gradient(135deg, #fef3c7, #fbbf24);
  border-left: 4px solid var(--warning-color);
  border-radius: var(--border-radius);
  padding: 16px;
  color: #92400e;
}

.fact-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.fact strong {
  display: block;
}

/* Formulier */
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.input-group {
  margin-bottom: 2px;
}

.input-group label,
.privacy {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"] {
  width: 100%;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

input[type="checkbox"],
input[type="radio"] {
  margin-right: 8px;
  cursor: pointer;
}

/* Tijdsloten */
.timeslot-grid,
#timeslots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.timeslot-card,
#timeslots label {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 6px 10px;
  padding: 16px;
  background: var(--surface);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.timeslot-card:hover,
#timeslots label:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.14);
  transform: translateY(-1px);
}

.timeslot-time {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
}

.free {
  grid-column: 2 / 3;
  color: var(--success-color);
  font-weight: 700;
  font-size: 0.95rem;
}

#timeslots label:has(input:checked) {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-color: var(--primary-color);
}

/* Betaling */
.payment {
  margin-top: 12px;
  padding: 20px;
  background: linear-gradient(135deg, #fef3c7, #fbbf24);
  border-left: 4px solid var(--warning-color);
  border-radius: var(--border-radius);
  color: #92400e;
}

.payment p {
  margin-bottom: 10px;
}

.payment strong {
  font-size: 1.8rem;
  color: #92400e;
  font-family: var(--font-mono);
}

.payment-note {
  color: #78350f;
  font-size: 0.95rem;
  font-style: italic;
}

.privacy {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 22px;
  padding: 14px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.privacy input {
  margin-top: 5px;
}

button[type="submit"] {
  width: 100%;
  margin-top: 20px;
  padding: 16px 20px;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--primary-color);
  color: white;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.3);
}

button[type="submit"]:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.36);
}

/* Beschikbaarheid */
.availability-table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--border-radius);
}

th {
  background: var(--primary-color);
  color: white;
  padding: 14px;
  text-align: center;
}

td {
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

tbody tr:nth-child(even) {
  background: #f8fafc;
}

tbody tr:hover {
  background: #eff6ff;
}

/* Bedankpagina / algemene links */
.success-box ul {
  margin-left: 25px;
  margin-bottom: 20px;
}

.button-link {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 700;
  transition: all 0.2s ease;
}

.button-link:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

footer {
  text-align: center;
  padding: 24px;
  color: #1e293b;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .header-content {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }

  .header-text {
    text-align: center;
  }

  .header-logo {
    width: 140px;
    height: 140px;
  }

  .tabs {
    flex-direction: column;
    gap: 2px;
  }

  .tab-btn {
    width: 100%;
    min-width: auto;
  }

  .grid,
  .timeslot-grid,
  #timeslots,
  .event-facts {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 20px;
  }

  .payment strong {
    font-size: 1.45rem;
  }
}
.loading-message{
  margin:0;
  padding:16px;
  color:var(--text-secondary);
  background:#f8fafc;
  border:2px dashed var(--border-color);
  border-radius:var(--border-radius);
  text-align:center;
}