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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
    margin-bottom: 40px;
}

.calendar-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Calendar Header */
.calendar-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px;
    text-align: center;
}

.gregorian-calendar .calendar-header {
    background: linear-gradient(135deg, #667eea 0%, #5a67d8 100%);
}

.ifc-calendar .calendar-header {
    background: linear-gradient(135deg, #764ba2 0%, #6b46c1 100%);
}

.calendar-header h1 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
}

.calendar-subtitle {
    margin-top: 4px;
    font-size: 12px;
    opacity: 0.9;
}

/* Calendar Grid */
.calendar-grid {
    background: white;
    padding: 0;
}

.calendar-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 15px;
    border-top: 1px solid #dee2e6;
    background: #fafbfc;
}

.footer-label {
    font-size: 12px;
    color: #6c757d;
    font-weight: 600;
    text-transform: uppercase;
}

.footer-value {
    font-size: 14px;
    color: #343a40;
    font-weight: 600;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
}

.day-header {
    padding: 10px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: #6c757d;
    border-right: 1px solid #dee2e6;
}

.day-header:last-child {
    border-right: none;
}

.calendar-dates {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(6, 1fr);
    min-height: 300px;
}

.date-cell {
    padding: 8px;
    text-align: center;
    border: 1px solid #e9ecef;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 45px;
}

.date-cell:hover {
    background-color: #f8f9fa;
}

.date-cell.selected {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.date-cell.other-month {
    color: #adb5bd;
    background-color: #f8f9fa;
}

.date-cell.today {
    background-color: #e7f3ff;
    border: 2px solid #667eea;
}

.date-number {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 2px;
}

.date-note {
    font-size: 9px;
    opacity: 0.8;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Date Input Section */
.date-input-section {
    padding: 15px;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
}

.date-input-section label {
    display: block;
    margin-bottom: 8px;
    color: #495057;
    font-weight: 500;
    font-size: 12px;
}

.date-input-section input[type="date"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
    background: white;
}

.date-input-section input[type="date"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.25);
}

/* Info Section */
.info-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.info-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 25px;
    text-align: center;
}

.info-card h2 {
    color: #495057;
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 600;
}

.info-content p {
    color: #6c757d;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.info-content strong {
    color: #495057;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 600px;
    }

    .calendar-header h1 {
        font-size: 16px;
    }

    .day-header {
        padding: 8px;
        font-size: 11px;
    }

    .date-cell {
        min-height: 40px;
        padding: 6px;
    }

    .date-number {
        font-size: 13px;
    }

    .date-note {
        font-size: 8px;
    }

    .info-card {
        padding: 20px;
    }

    .info-card h2 {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }

    .calendar-header {
        padding: 12px;
    }

    .calendar-header h1 {
        font-size: 14px;
    }

    .day-header {
        padding: 6px;
        font-size: 10px;
    }

    .date-cell {
        min-height: 35px;
        padding: 4px;
    }

    .date-number {
        font-size: 12px;
    }

    .info-section {
        padding: 0 15px;
    }
}