/* Date Picker Input Styles */
.date-picker-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.date-picker-group .form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.date-picker-group .required-asterisk {
    color: var(--error-color) !important;
    font-weight: 600;
}

.date-picker-wrapper {
    position: relative;
    width: 100%;
}

.date-input-container {
    display: flex;
    align-items: center;
    position: relative;
    width: 100%;
    padding: 0;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.date-input-container:has(input:focus) {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-input);
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
}

.date-input-container input {
    flex: 1;
    border: none;
    outline: none;
    padding: var(--button-padding-vertical) var(--space-md);
    font-size: 0.95rem;
    background-color: transparent;
    cursor: pointer;
    color: var(--text-primary);
}

.date-input-container input:disabled {
    background-color: var(--bg-body);
    opacity: 0.7;
    color: var(--text-primary);
    cursor: not-allowed;
}

.date-input-container input::placeholder {
    color: var(--input-placeholder);
}

.date-input-container input:read-only {
    cursor: pointer;
}

.date-picker-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background-color: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    transition: color var(--transition-fast);
    font-size: 0;
    margin-right: 0.25rem;
}

.date-picker-btn:hover:not(:disabled) {
    color: var(--primary-color);
}

.date-picker-btn:disabled {
    color: #d1d5db;
    cursor: not-allowed;
    opacity: 0.5;
}

.calendar-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Error/Validation Messages */
.date-picker-group .error-message,
.date-picker-group ::deep .validation-message {
    color: #C62828;
    background-color: #FFEBEE;
    border: 1px solid #FFCDD2;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    font-size: var(--font-size-sm);
    margin-top: var(--space-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

/* Calendar Dropdown */
.date-picker-calendar {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    background-color: var(--bg-card, #ffffff);
    border: 1px solid rgba(43, 127, 255, 0.15);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    width: 320px;
    padding: 12px;
}

/* Calendar Header */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.calendar-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background-color: #f3f4f6;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    color: #6b7280;
}

.calendar-nav-btn:hover:not(:disabled) {
    background-color: #e5e7eb;
    color: #1f2937;
}

.calendar-nav-btn:disabled {
    background-color: #f9fafb;
    color: #d1d5db;
    cursor: not-allowed;
}

.calendar-nav-btn svg {
    width: 16px;
    height: 16px;
}

.calendar-month-year {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.calendar-month-year span {
    font-size: 0.875rem;
}

.calendar-month-year span:first-child {
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    text-transform: capitalize;
}

.calendar-month-year span:last-child {
    color: var(--text-secondary, #6b7280);
    font-size: 0.75rem;
}

/* Weekdays */
.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 8px;
}

.weekday {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary, #6b7280);
    padding: 8px 0;
}

/* Calendar Days Grid */
.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    width: 100%;
    aspect-ratio: 1;
    border: none;
    background-color: transparent;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-primary, #1f2937);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.calendar-day:hover:not(:disabled) {
    background-color: #f3f4f6;
}

.calendar-day.other-month {
    color: #d1d5db;
}

.calendar-day.today {
    border: 2px solid #2b7fff;
    color: #2b7fff;
}

.calendar-day.selected {
    background-color: #2b7fff;
    color: #ffffff;
    font-weight: 600;
}

.calendar-day.selected:hover {
    background-color: #2570e8;
}

.calendar-day:disabled {
    color: #d1d5db;
    cursor: not-allowed;
}

.calendar-day.disabled-date {
    color: #d1d5db;
    cursor: not-allowed;
}

/* Responsive Design */
@media (max-width: 640px) {
    .date-picker-calendar {
        width: calc(100vw - 32px);
        max-width: 320px;
    }
    
    .error-message,
    .date-picker-group ::deep .validation-message {
        margin-left: -1rem;
        margin-right: -1rem;
        margin-top: var(--space-sm);
        padding-left: var(--space-md);
        padding-right: var(--space-md);
        border-radius: 0;
        width: calc(100% + 2rem);
        font-size: 1rem;
    }
}

/* Theme Support */
@media (prefers-color-scheme: dark) {
    .date-input-container {
        background-color: var(--bg-input);
        border-color: var(--border-color);
    }

    .date-input-container:has(input:focus) {
        outline: none;
        border-color: var(--primary-color);
        background-color: var(--bg-input);
        box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.25);
    }

    .date-input-container input {
        color: var(--text-primary);
    }

    .date-input-container input::placeholder {
        color: var(--input-placeholder);
    }

    .date-input-container input:disabled {
        background-color: var(--bg-body);
        opacity: 0.7;
        color: var(--text-primary);
    }

    .date-picker-btn {
        color: var(--text-secondary);
    }

    .date-picker-btn:hover:not(:disabled) {
        color: var(--primary-color);
    }

    .date-picker-calendar {
        background-color: var(--bg-card, #0f172a);
        border-color: var(--border-color, #334155);
    }

    .calendar-header {
        border-bottom-color: var(--border-color, #334155);
    }

    .calendar-month-year span:first-child {
        color: var(--text-primary, #f8fafc);
    }

    .calendar-month-year span:last-child {
        color: var(--text-secondary, #94a3b8);
    }

    .calendar-nav-btn {
        background-color: var(--bg-input, #1e293b);
        color: var(--text-secondary, #94a3b8);
    }

    .calendar-nav-btn:hover:not(:disabled) {
        background-color: rgba(43, 127, 255, 0.1);
        color: var(--text-primary, #f3f4f6);
    }

    .weekday {
        color: var(--text-secondary, #94a3b8);
    }

    .calendar-day {
        color: var(--text-primary, #f8fafc);
    }

    .calendar-day:hover:not(:disabled) {
        background-color: rgba(43, 127, 255, 0.1);
    }

    .calendar-day.other-month {
        color: var(--text-secondary, #64748b);
    }

    .calendar-day.today {
        border-color: #60a5fa;
        color: #60a5fa;
    }

    .calendar-day.selected {
        background-color: #2570e8;
    }

    .calendar-day.selected:hover {
        background-color: #1d5ec8;
    }
}