/* Sigma 6 Light UI Standard - Commercial Platform CSS */
:root {
  --bg-app: #f8f9fa;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --border-color: #dee2e6;
  --border-light: #e9ecef;
  --text-main: #212529;
  --text-muted: #6c757d;
  --accent-blue: #4263eb;
  --accent-blue-hover: #3b5bdb;
  --accent-blue-light: #edf2ff;
  --success: #2b8a3e;
  --success-bg: #ebfbee;
  --warning: #e67700;
  --warning-bg: #fff9db;
  --danger: #c92a2a;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header & Nav */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-item {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.nav-item:hover, .nav-item.active {
  color: var(--accent-blue);
  background: var(--accent-blue-light);
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  transition: background 0.15s ease;
}

.btn-primary:hover { background: var(--accent-blue-hover); text-decoration: none; }

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}
.btn-secondary:hover { background: var(--border-light); }

/* Main Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Hero Section */
.hero {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px;
  margin-bottom: 40px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.hero-badge {
  display: inline-block;
  background: var(--accent-blue-light);
  color: var(--accent-blue);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 32px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* Sections & Grids */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-desc {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: var(--accent-blue);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-meta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-blue);
  background: var(--accent-blue-light);
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-block;
  align-self: flex-start;
}

/* Rate Card / Offering Card */
.offering-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.offering-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--success-bg);
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
}

.offering-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 16px 0 4px;
}

.offering-price-type {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* Planning Table */
.planning-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 40px;
}

.planning-table th, .planning-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
}

.planning-table th {
  background: var(--bg-app);
  font-weight: 700;
  color: var(--text-muted);
}

/* Floorplan Grid */
.floorplan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.stand-card {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  background: var(--bg-card);
}

.stand-card.available { border-color: var(--success); background: var(--success-bg); }
.stand-card.verkocht { border-color: var(--danger); opacity: 0.6; }
.stand-card.optie { border-color: var(--warning); background: var(--warning-bg); }

/* Admin Modal & Tables */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.admin-table th, .admin-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.9rem;
}

.hidden { display: none !important; }


/* Spacious Admin Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 100%;
  max-width: 840px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 24px 32px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 10;
}

.modal-header h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 12px;
  border-radius: 8px;
}
.modal-close:hover { background: var(--border-light); color: var(--text-main); }

.modal-body {
  padding: 32px;
}

.modal-footer {
  padding: 20px 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-app);
  border-bottom-left-radius: 16px;
  border-bottom-right-radius: 16px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group-full {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  background: var(--bg-card);
  color: var(--text-main);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-light);
}

.btn-edit {
  background: var(--accent-blue-light);
  color: var(--accent-blue);
  border: 1px solid transparent;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-edit:hover { background: var(--accent-blue); color: #fff; }

.btn-danger {
  background: #fff5f5;
  color: var(--danger);
  border: 1px solid #ffe3e3;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-danger:hover { background: var(--danger); color: #fff; }