/**
 * TRM Advanced Booking Calendar Styles - Enhanced UI
 */

.trm-calendar {
    background: linear-gradient(135deg, #f5f7fa 0%, #fff 100%);
    border: 2px solid #e8eef7;
    border-radius: 12px;
    padding: 28px;
    width: 100%;
    max-width: none;
    margin: 24px 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
    box-sizing: border-box;
    overflow-x: hidden;
}

/* Header */
.trm-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
    gap: 12px;
    padding-bottom: 16px;
    border-bottom: 2px solid #f0f0f0;
}

.trm-calendar-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
    text-align: center;
    letter-spacing: 0.3px;
}

.trm-calendar-nav {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

.trm-calendar-nav:hover:not(:disabled) {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.trm-calendar-nav:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(102, 126, 234, 0.3);
}

.trm-calendar-nav:disabled {
    background: #f0f0f0;
    border-color: #e8eef7;
    color: #bbb;
    cursor: not-allowed;
    opacity: 0.5;
    box-shadow: none;
}

.trm-calendar-nav:disabled:hover {
    background: #f0f0f0;
}

/* Day names row */
.trm-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.trm-calendar-day-name {
    text-align: center;
    font-weight: 700;
    font-size: 12px;
    color: #667eea;
    padding: 8px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Calendar grid */
.trm-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 24px;
}

.trm-calendar-cell {
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
}

.trm-calendar-empty {
    background: transparent;
}

.trm-calendar-date {
    background: #f9f9f9;
    border: 2px solid #e8eef7;
    color: #666;
    font-weight: 600;
}

/* Available dates - green */
.trm-calendar-available {
    background: linear-gradient(135deg, #d4edda 0%, #c8e6c9 100%);
    border-color: #28a745;
    color: #155724;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(40, 167, 69, 0.15);
}

.trm-calendar-available:hover {
    background: linear-gradient(135deg, #c3e6cb 0%, #b9ddb8 100%);
    border-color: #1e7e34;
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.25);
    transform: translateY(-2px);
}

.trm-calendar-clickable {
    cursor: pointer;
}

/* Booked/blocked dates - gray */
.trm-calendar-booked {
    background: #f0f0f0;
    border-color: #ddd;
    color: #999;
    cursor: not-allowed;
}

/* Past dates */
.trm-calendar-past {
    background: #fafafa;
    border-color: #f0f0f0;
    color: #ccc;
    cursor: not-allowed;
}

/* Day number styling */
.trm-calendar-day-num {
    display: block;
    font-size: 16px;
    font-weight: 700;
}

.trm-calendar-available .trm-calendar-day-num {
    color: #1e7e34;
}

.trm-calendar-booked .trm-calendar-day-num {
    color: #999;
}

.trm-calendar-past .trm-calendar-day-num {
    color: #ddd;
}

/* Slot count indicator */
.trm-calendar-slots {
    display: block;
    font-size: 10px;
    font-weight: 600;
    margin-top: 3px;
    color: #1e7e34;
    background: rgba(40, 167, 69, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    min-width: 24px;
    text-align: center;
}

/* Selected date */
.trm-calendar-selected {
    box-shadow: inset 0 0 0 2.5px #667eea !important, 0 0 0 3px rgba(102, 126, 234, 0.2) !important;
}

.trm-calendar-available.trm-calendar-selected {
    background: linear-gradient(135deg, #b3d9ff 0%, #a8d5ff 100%) !important;
}

/* Legend */
.trm-calendar-legend {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 16px 12px;
    background: linear-gradient(135deg, #f8f9fc 0%, #f5f7fa 100%);
    border: 2px solid #e8eef7;
    border-radius: 8px;
    font-size: 13px;
    color: #666;
    font-weight: 500;
}

.trm-calendar-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.trm-calendar-legend-color {
    display: inline-block;
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 2px solid #ddd;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.trm-calendar-legend-color.trm-calendar-available {
    background: linear-gradient(135deg, #d4edda 0%, #c8e6c9 100%);
    border-color: #28a745;
}

.trm-calendar-legend-color.trm-calendar-booked {
    background: #f0f0f0;
    border-color: #ddd;
}

.trm-calendar-legend-color.trm-calendar-past {
    background: #fafafa;
    border-color: #f0f0f0;
}

/* Responsive */
@media (max-width: 600px) {
    .trm-calendar {
        padding: 10px;
        max-width: 100%;
        margin: 8px 0;
        box-sizing: border-box;
    }

    .trm-calendar-header {
        margin-bottom: 10px;
        gap: 4px;
        padding-bottom: 6px;
    }

    .trm-calendar-title {
        font-size: 14px;
        letter-spacing: 0;
    }

    .trm-calendar-nav {
        padding: 4px 8px;
        font-size: 10px;
    }

    .trm-calendar-day-name {
        font-size: 8px;
        padding: 2px 0;
        letter-spacing: 0;
    }

    .trm-calendar-days {
        gap: 2px;
        margin-bottom: 4px;
    }

    .trm-calendar-grid {
        gap: 2px;
        margin-bottom: 12px;
    }

    .trm-calendar-cell {
        aspect-ratio: 1;
        font-size: 9px;
        border-radius: 3px;
        border-width: 1px !important;
    }

    .trm-calendar-day-num {
        font-size: 10px;
        font-weight: 700;
        line-height: 1;
    }

    .trm-calendar-slots {
        font-size: 7px;
        margin-top: 0;
    }

    .trm-calendar-legend {
        gap: 6px;
        font-size: 9px;
        padding: 8px 6px;
        margin-top: 6px;
    }

    .trm-calendar-legend-item {
        gap: 4px;
    }

    .trm-calendar-legend-color {
        width: 12px;
        height: 12px;
        border-radius: 2px;
        border-width: 1px !important;
    }
}

@media (max-width: 380px) {
    .trm-calendar {
        padding: 8px;
        margin: 6px 0;
    }

    .trm-calendar-header {
        margin-bottom: 8px;
        gap: 2px;
    }

    .trm-calendar-title {
        font-size: 12px;
    }

    .trm-calendar-nav {
        padding: 3px 6px;
        font-size: 9px;
    }

    .trm-calendar-day-name {
        font-size: 7px;
        padding: 1px 0;
    }

    .trm-calendar-days {
        gap: 1px;
        margin-bottom: 2px;
    }

    .trm-calendar-grid {
        gap: 1px;
        margin-bottom: 8px;
    }

    .trm-calendar-cell {
        font-size: 8px;
        border-radius: 2px;
    }

    .trm-calendar-day-num {
        font-size: 9px;
    }

    .trm-calendar-slots {
        font-size: 6px;
    }

    .trm-calendar-legend {
        gap: 4px;
        font-size: 8px;
        padding: 6px 4px;
    }

    .trm-calendar-legend-color {
        width: 10px;
        height: 10px;
    }
}