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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    margin-bottom: 15px;
    color: #333;
}

.week-navigation {
    display: flex;
    align-items: center;
    gap: 20px;
}

.week-navigation button {
    padding: 8px 16px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.week-navigation button:hover {
    background: #45a049;
}

#week-range {
    font-weight: 600;
    color: #555;
}

.actions {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: #2196F3;
    color: white;
}

.btn-primary:hover {
    background: #0b7dda;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 15px;
}

.day-column {
    background: white;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.day-header {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4CAF50;
    color: #333;
}

.day-items {
    min-height: 200px;
}

.item {
    background: #f9f9f9;
    padding: 10px;
    margin-bottom: 8px;
    border-radius: 4px;
    border-left: 3px solid #4CAF50;
    cursor: pointer;
    transition: background 0.2s;
}

.item:hover {
    background: #f0f0f0;
}

.item.task {
    border-left-color: #FF9800;
}

.item.event {
    border-left-color: #2196F3;
}

.item-title {
    font-weight: 500;
    margin-bottom: 4px;
}

.item-time {
    font-size: 12px;
    color: #666;
}

.item-actions {
    margin-top: 8px;
    display: flex;
    gap: 5px;
}

.item-actions button {
    padding: 4px 8px;
    font-size: 11px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.btn-edit {
    background: #FFC107;
    color: #333;
}

.btn-delete {
    background: #f44336;
    color: white;
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: #000;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

.weekdays-select {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.weekdays-select label {
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: normal;
}

@media (max-width: 1200px) {
    .schedule-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .schedule-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .schedule-grid {
        grid-template-columns: 1fr;
    }
}