/**
 * KAICE Date Field Styles
 */

/* ==================== 
   Date Field Wrapper 
   ==================== */
.kaice-date-field-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
    max-width: 100%;
}

/* ==================== 
   Date Input 
   ==================== */


/* 유효성 검사 상태 */
.kaice-date-valid .kaice-date-input {
    border-color: #00a32a;
}

.kaice-date-invalid .kaice-date-input {
    border-color: #dc3232;
    background-color: #ffeaea;
}

.kaice-date-invalid .kaice-date-input:focus {
    border-color: #dc3232;
    box-shadow: 0 0 0 1px #dc3232;
}

/* ==================== 
   Calendar Button 
   ==================== */
.kaice-date-calendar-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    padding: 0.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--theme-button-radius);
    transition: all 0.2s ease;
}

.kaice-date-calendar-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.kaice-date-calendar-btn:focus {
    outline: 2px solid var(--theme-main-color);
    outline-offset: 2px;
}

/* ==================== 
   Error Message 
   ==================== */
.kaice-date-error {
    display: block;
    font-size: var(--theme-font-size-caption);
    color: var(--theme-danger-button-bg);
    margin-top: 4px;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== 
   Calendar 
   ==================== */
.kaice-calendar {
    font-family: var(--theme-font-normal);
    user-select: none;
}

/* Calendar Header */
.kaice-cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding: 0 5px;
    gap: 10px;
}

.kaice-cal-title {
    font-size: var(--theme-font-size-button);
    font-weight: 600;
    color: var(--theme-text-color);
    flex: 1;
    text-align: center;
}

/* 연도/월 선택기 컸테이너 */
.kaice-fk-calendar-title-container {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
    gap: 10px;
}

.kaice-fk-year-input {
    width: 80px;
    padding: 6px 8px!important;
    border: 1px solid var(--theme-card-border)!important;
    border-radius: var(--theme-button-radius)!important;
    text-align: center;
    font-size: var(--theme-font-size-button)!important;
    transition: all 0.2s ease!important;
    min-height: 38px!important;
}

.kaice-fk-year-input:focus {
    border-color: var(--theme-main-color);
    outline: 2px solid transparent;
    box-shadow: 0 0 0 1px var(--theme-main-color);
}

.kaice-fk-month-select {
    padding: 6px 8px!important;
    border: 1px solid var(--theme-card-border)!important;
    border-radius: var(--theme-button-radius)!important;
    font-size: var(--theme-font-size-button)!important;
    cursor: pointer;
    transition: all 0.2s ease!important;
    min-width: 60px;
    min-height: 38px!important;
}

.kaice-fk-month-select:focus {
    border-color: var(--theme-main-color);
    outline: 2px solid transparent;
    box-shadow: 0 0 0 1px var(--theme-main-color);
}

.kaice-fk-month-select:hover {
    background: var(--theme-item-bg);
}

.kaice-cal-prev,
.kaice-cal-next {
    width: 26px;
    height: 26px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--theme-main-color);
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    color: var(--theme-main-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.kaice-cal-prev:hover,
.kaice-cal-next:hover {
    background: var(--theme-info-bg);
    text-decoration: none;
}

.kaice-cal-prev:active,
.kaice-cal-next:active {
    transform: scale(0.95);
}

.kaice-cal-prev:focus,
.kaice-cal-next:focus {
    outline: 2px solid var(--theme-main-color);
    outline-offset: 2px;
}

/* Calendar Weekdays */
.kaice-cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: #e0e0e0;
    border-radius: 8px 8px 0 0;
    overflow: hidden;
    margin-bottom: 1px;
}

.kaice-cal-weekday {
    background: var(--theme-item-bg);
    text-align: center;
    font-size: var(--theme-font-size-caption);
    font-weight: 600;
    color: var(--theme-hint-text-color);
    padding: 12px 8px;
    text-transform: uppercase;
}

/* Calendar Days */
.kaice-cal-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: #e0e0e0;
    border-radius: 0 0 8px 8px;
    overflow: hidden;
}

.kaice-cal-day {
    background: white;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--theme-font-size-button);
    color: var(--theme-text-color);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    padding: 12px 8px;
}

.kaice-cal-day:not(.kaice-cal-empty):not(.kaice-cal-disabled):hover {
    background: var(--theme-info-bg);
    color: var(--theme-main-color);
}

.kaice-cal-day.kaice-cal-empty {
    cursor: default;
    background: transparent;
}

.kaice-cal-day.other-month {
    color: #ccc;
    background: #f9f9f9;
    cursor: pointer;
}

.kaice-cal-day.other-month:hover {
    background: #f0f0f0;
    color: #999;
}

.kaice-cal-day.kaice-cal-disabled {
    color: #ccc;
    background: #f9f9f9;
    cursor: not-allowed;
}

.kaice-cal-day.kaice-cal-today-mark {
    background: var(--theme-info-bg);
    color: var(--theme-main-color);
    font-weight: 600;
    border: 2px solid var(--theme-main-color);
    box-sizing: border-box;
}

.kaice-cal-day.kaice-cal-today-mark:hover {
    background: #dbeafe;
}

.kaice-cal-day.kaice-cal-selected {
    background: var(--theme-main-color);
    color: white;
    font-weight: 600;
    transform: scale(1.05);
    z-index: 1;
}

.kaice-cal-day.kaice-cal-selected:hover {
    background: var(--theme-button-hover-bg);
    transform: scale(1.05);
}

/* other-month 날짜가 선택되었을 때 명시적으로 선택 스타일 적용 */
.kaice-cal-day.other-month.kaice-cal-selected {
    background: var(--theme-main-color) !important;
    color: white !important;
    font-weight: 600;
    transform: scale(1.05);
    z-index: 1;
}

.kaice-cal-day.other-month.kaice-cal-selected:hover {
    background: var(--theme-button-hover-bg) !important;
    color: white !important;
    transform: scale(1.05);
}

.kaice-cal-day.kaice-cal-today-mark.kaice-cal-selected {
    background: var(--theme-main-color);
    color: white;
    border: 2px solid var(--theme-button-hover-bg);
}

/* other-month이면서 오늘이고 선택된 경우 */
.kaice-cal-day.other-month.kaice-cal-today-mark.kaice-cal-selected {
    background: var(--theme-main-color) !important;
    color: white !important;
    border: 2px solid var(--theme-button-hover-bg);
    font-weight: 600;
}

.kaice-cal-day:focus {
    outline: 2px solid var(--theme-main-color);
    outline-offset: -2px;
}

/* Calendar Footer */
/* Calendar Footer - 버튼 스타일은 button-styles.css 사용 */
.kaice-cal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    margin-top: 15px;
    border-top: 1px solid var(--theme-card-border);
}

/* ==================== 
   Responsive 
   ==================== */
@media (max-width: 768px) {
    .kaice-date-field-wrapper {
        max-width: 100%;
    }
    
    /* 모바일에서 배경 오버레이 표시 */
    .kaice-date-calendar-backdrop {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--theme-modal-bg-light);
        z-index: 9998;
        animation: modalAlertFadeIn 0.3s ease-out;
    }
    
    .kaice-cal-header {
        padding: 0;
    }
    
    .kaice-cal-day {
        min-height: 36px;
        font-size: 13px;
        padding: 10px 6px;
    }
    
    .kaice-cal-weekday {
        font-size: 11px;
        padding: 10px 6px;
    }
}

/* ==================== 
   Accessibility 
   ==================== */
.kaice-date-input:focus-visible,
.kaice-date-calendar-btn:focus-visible,
.kaice-cal-prev:focus-visible,
.kaice-cal-next:focus-visible,
.kaice-cal-day:focus-visible {
    outline: 2px solid var(--theme-main-color);
    outline-offset: 2px;
}

/* 키보드 네비게이션 */
.kaice-cal-day.keyboard-focus {
    background: var(--theme-info-bg);
    color: var(--theme-main-color);
    outline: 2px solid var(--theme-main-color);
    outline-offset: -2px;
}

/* ==================== 
   Animations 
   ==================== */
@keyframes kaiceFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalAlertFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes modalAlertSlideIn {
    from {
        transform: translate(-50%, -50%) translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%) translateY(0);
        opacity: 1;
    }
}