/**
 * Enhanced Date Picker — 墨金 Dark Luxury
 * Lunar/Solar calendar toggle and improved UI
 */

.enhanced-date-picker {
    background: var(--color-glass-surface);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-glass);
}

/* Calendar Toggle */
.calendar-toggle {
    margin-bottom: 1.5rem;
}

.toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 140px;
    height: 40px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-deep));
    border-radius: 20px;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.toggle-switch input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--color-bg-tertiary), var(--color-bg-secondary));
}

.toggle-label {
    color: var(--color-bg-primary);
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 1;
    transition: opacity 0.3s ease;
}

.toggle-label.solar {
    opacity: 1;
}

.toggle-label.lunar {
    opacity: 0.5;
}

.toggle-switch input:checked + .toggle-slider .toggle-label {
    color: var(--color-text-primary);
}

.toggle-switch input:checked + .toggle-slider .toggle-label.solar {
    opacity: 0.5;
}

.toggle-switch input:checked + .toggle-slider .toggle-label.lunar {
    opacity: 1;
}

.toggle-slider::before {
    content: "";
    position: absolute;
    height: 32px;
    width: 32px;
    left: 4px;
    bottom: 4px;
    background: var(--color-bg-primary);
    border-radius: 50%;
    transition: transform 0.4s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(100px);
}

.calendar-type-display {
    display: flex;
    align-items: center;
}

.type-indicator {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.type-indicator.solar {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
    color: var(--color-gold);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.type-indicator.lunar {
    background: linear-gradient(135deg, rgba(168, 162, 200, 0.15), rgba(168, 162, 200, 0.05));
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

/* Date Input Group */
.date-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.date-field {
    flex: 1;
    min-width: 100px;
}

.date-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.9rem;
}

.date-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.date-select:hover {
    border-color: var(--color-gold-muted);
}

.date-select:focus-visible {
    outline: 3px solid rgba(212, 175, 55, 0.3);
    outline-offset: 2px;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.lunar-leap {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.75rem;
}

.lunar-leap label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.lunar-leap input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Calendar Preview */
.calendar-preview {
    background: var(--color-bg-secondary);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.5rem;
}

.preview-header button {
    width: 32px;
    height: 32px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.preview-header button:hover {
    background: var(--color-gold);
    color: var(--color-bg-primary);
    border-color: var(--color-gold);
    transform: scale(1.1);
}

.current-month-year {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.calendar-grid {
    background: var(--color-bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
}

.weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}

.weekdays span {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    padding: 0.5rem 0;
}

.weekdays span:first-child {
    color: var(--color-error);
}

.weekdays span:last-child {
    color: #5b9cf6;
}

.days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.days span {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    color: var(--color-text-primary);
}

.days span.day:hover {
    background: var(--color-bg-secondary);
    transform: scale(1.1);
}

.days span.selected {
    background: var(--color-gold);
    color: var(--color-bg-primary);
    font-weight: 600;
}

.days span.today {
    background: var(--color-gold-muted);
    color: var(--color-text-primary);
    font-weight: 600;
    position: relative;
}

.days span.today::after {
    content: "";
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--color-gold);
    border-radius: 50%;
}

.days span.empty {
    cursor: default;
}

.days span:nth-child(7n+1):not(.empty) {
    color: var(--color-error);
}

.days span:nth-child(7n):not(.empty) {
    color: #5b9cf6;
}

/* Date Conversion Display */
.date-conversion-display {
    background: var(--color-bg-tertiary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
    min-height: 50px;
    border: 1px solid var(--color-border);
}

.conversion-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.conversion-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    min-width: 60px;
}

.conversion-value {
    font-size: 1.1rem;
    color: var(--color-gold);
    font-weight: 600;
}

/* Today Button */
.today-button-container {
    text-align: center;
}

.btn-today {
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-deep));
    color: var(--color-bg-primary);
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

.btn-today:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}

.btn-today:active {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .date-input-group {
        flex-direction: column;
    }

    .date-field {
        width: 100%;
    }

    .toggle-container {
        flex-direction: column;
        align-items: stretch;
    }

    .toggle-switch {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .calendar-type-display {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .enhanced-date-picker {
        padding: 1rem;
    }

    .days span {
        font-size: 0.8rem;
    }

    .weekdays span {
        font-size: 0.75rem;
    }
}