/* golf_style.css */
body { font-family: sans-serif; background-color: #f4f7f6; color: #333; margin: 0; padding: 20px; }
.golf-booking-container { max-width: 600px; margin: 30px auto; background: #fff; padding: 30px; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
h2 { margin-top: 0; color: #1e4620; border-bottom: 2px solid #2e7d32; padding-bottom: 10px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 600; color: #444; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; box-sizing: border-box; }
.btn-open-cal { background-color: #2e7d32; color: white; padding: 14px; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: bold; width: 100%; }
.btn-submit { background-color: #0288d1; color: white; padding: 14px; border: none; border-radius: 6px; cursor: pointer; font-size: 16px; font-weight: bold; width: 100%; margin-top: 10px; }
#price-display-box { background: #f1f8e9; padding: 20px; border-radius: 8px; border-left: 5px solid #2e7d32; }
.price-row { display: flex; justify-content: space-between; margin-bottom: 5px; }
.price-total { display: flex; justify-content: space-between; font-size: 20px; font-weight: bold; color: #c62828; margin-top: 10px; border-top: 1px dashed #ccc; padding-top: 10px; }
.yen-small { color: #666; font-size: 14px; text-align: right; display: block; }
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 1000; justify-content: center; align-items: center; }
.modal-content { background: #fff; padding: 25px; border-radius: 12px; width: 90%; max-width: 400px; position: relative; }
.close-modal { position: absolute; top: 12px; right: 18px; font-size: 28px; cursor: pointer; color: #aaa; }
.calendar-header { display: flex; justify-content: space-between; align-items: center; font-weight: bold; margin-bottom: 15px; }
.calendar-header button { background: #eee; border: none; padding: 8px 14px; border-radius: 4px; cursor: pointer; }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; text-align: center; font-weight: bold; color: #777; margin-bottom: 8px; }
.calendar-days-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.calendar-day { padding: 10px 0; text-align: center; border: 1px solid #f0f0f0; cursor: pointer; border-radius: 6px; }
.calendar-day:hover { background: #e8f5e9; color: #2e7d32; font-weight: bold; }
.day-full { background: #ffebee !important; color: #c62828 !important; cursor: not-allowed !important; pointer-events: none !important; position: relative; }
.day-full::after { content: 'เต็ม'; display: block; font-size: 9px; color: #e53935; }