body { font-family: -apple-system, sans-serif; background: #f4f7f6; margin: 0; display: flex; justify-content: center; }
.auth-box { width: 90%; max-width: 350px; margin-top: 80px; text-align: center; background: white; padding: 25px; border-radius: 15px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
input, select { width: 100%; padding: 14px; margin: 10px 0; border-radius: 10px; border: 1px solid #ddd; font-size: 16px; box-sizing: border-box; }
button { width: 100%; padding: 16px; border-radius: 10px; border: none; background: #007bff; color: white; font-weight: bold; cursor: pointer; }
#app-container { width: 100%; max-width: 500px; padding: 10px; box-sizing: border-box; }
header { display: flex; justify-content: space-between; align-items: center; padding: 10px; }
#calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; background: #eee; padding: 2px; border-radius: 10px; }
.day { background: white; min-height: 90px; display: flex; flex-direction: column; align-items: center; padding: 4px; font-size: 12px; }
.today { background: #e7f3ff !important; border: 1.5px solid #007bff; }
.event-marker { width: 100%; font-size: 9px; color: white !important; padding: 3px; border-radius: 4px; margin-top: 2px; text-align: center; overflow: hidden; white-space: nowrap; }
.controls { display: flex; gap: 10px; margin: 20px 0; }
.btn-sm { width: auto; padding: 8px 15px; font-size: 12px; background: #6c757d; }
.btn-sec { background: #28a745; margin-bottom: 20px; }
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-content { background: white; padding: 20px; border-radius: 15px; width: 85%; max-width: 400px; }
.modal-btns { display: flex; gap: 10px; margin-top: 20px; }
label { display: block; margin-top: 10px; font-size: 11px; color: #777; font-weight: bold; }