/* Sobek Water Sports Hub Design System */
:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-dark: #075985;
  --accent: #0d9488;
  --accent-light: #ccfbf1;
  --bg-main: #f8fafc;
  --surface: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --success: #10b981;
  --success-light: #d1fae5;
  --radius: 12px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

/* Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

.btn-secondary {
  background-color: #f1f5f9;
  color: var(--text-main);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background-color: #e2e8f0;
}

.btn-success {
  background-color: var(--success);
  color: white;
}
.btn-danger {
  background-color: var(--danger);
  color: white;
}
.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.input-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background-color: white;
  transition: border-color 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-complete {
  background: var(--success-light);
  color: #065f46;
}
.badge-warning {
  background: var(--warning-light);
  color: #92400e;
}
.badge-danger {
  background: var(--danger-light);
  color: #991b1b;
}
.badge-info {
  background: #e0f2fe;
  color: #0369a1;
}

/* Nav header */
header.app-header {
  background: #0f172a;
  color: white;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.brand-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.brand-icon {
  background: var(--primary);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: white;
}

/* Signature Canvas */
.sig-pad-container {
  border: 2px dashed #cbd5e1;
  border-radius: 8px;
  background: #fdfdfd;
  position: relative;
  margin-top: 0.5rem;
  touch-action: none;
}

canvas.signature-canvas {
  width: 100%;
  height: 180px;
  display: block;
  cursor: crosshair;
}

/* Grid & Tables */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.table-responsive {
  overflow-x: auto;
}

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

table.data-table th {
  background-color: #f1f5f9;
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: #475569;
  border-bottom: 2px solid var(--border);
}

table.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.data-table tr:hover {
  background-color: #f8fafc;
}

/* Box Grid */
.box-cell {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  transition: all 0.15s ease;
}
.box-cell.available {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
}
.box-cell.assigned {
  background-color: #eff6ff;
  border-color: #bfdbfe;
}