/**
 * WonSpirit 공통 모달 시스템 CSS
 * Bootstrap 5.3+ 기반
 */

/* theme.css에서 색상 변수 로드됨 */
/* ========================================
   CSS 변수 정의 (통합 테마 변수 참조)
   ======================================== */
:root {
    /* 색상 시스템 - theme.css 변수 참조 */
    --ws-modal-primary: var(--ws-primary);
    --ws-modal-primary-hover: var(--ws-primary-hover);
    --ws-modal-primary-light: var(--ws-primary-light);
    
    --ws-modal-danger: var(--ws-danger);
    --ws-modal-danger-hover: var(--ws-danger-hover);
    --ws-modal-danger-light: var(--ws-danger-light);
    
    --ws-modal-success: var(--ws-success);
    --ws-modal-success-hover: var(--ws-success-hover);
    --ws-modal-success-light: var(--ws-success-light);
    
    --ws-modal-warning: var(--ws-warning);
    --ws-modal-warning-hover: var(--ws-warning-hover);
    --ws-modal-warning-light: var(--ws-warning-light);
    
    --ws-modal-info: var(--ws-info);
    --ws-modal-info-hover: var(--ws-info-hover);
    --ws-modal-info-light: var(--ws-info-light);
    
    --ws-modal-secondary: var(--ws-text-secondary);
    --ws-modal-secondary-hover: var(--ws-text-emphasis);
    --ws-modal-secondary-light: var(--ws-bg-soft);
    
    /* 텍스트 색상 */
    --ws-modal-text-primary: var(--ws-text);
    --ws-modal-text-secondary: var(--ws-text-secondary);
    --ws-modal-text-muted: var(--ws-text-muted);
    
    /* 배경 색상 */
    --ws-modal-bg: var(--ws-bg-card);
    --ws-modal-overlay: rgba(var(--ws-text-rgb), 0.5);
    --ws-modal-border: var(--ws-border);
    
    /* 간격 시스템 */
    --ws-modal-spacing-xs: 0.25rem;  /* 4px */
    --ws-modal-spacing-sm: 0.5rem;   /* 8px */
    --ws-modal-spacing-md: 1rem;     /* 16px */
    --ws-modal-spacing-lg: 1.5rem;   /* 24px */
    --ws-modal-spacing-xl: 2rem;     /* 32px */
    
    /* 타이포그래피 */
    --ws-modal-font-family: var(--ws-font-family);
    --ws-modal-font-size-sm: 0.875rem;   /* 14px */
    --ws-modal-font-size-base: 1rem;     /* 16px */
    --ws-modal-font-size-lg: 1.125rem;   /* 18px */
    --ws-modal-font-size-xl: 1.25rem;    /* 20px */
    
    /* 그림자 */
    --ws-modal-shadow-sm: var(--ws-shadow-sm);
    --ws-modal-shadow-md: var(--ws-shadow-md);
    --ws-modal-shadow-lg: var(--ws-shadow-lg);
    
    /* Border Radius */
    --ws-modal-radius-sm: var(--ws-radius);
    --ws-modal-radius-md: var(--ws-radius-lg);
    --ws-modal-radius-lg: var(--ws-radius-xl);
    
    /* 프리미엄 그라데이션 */
    --ws-modal-grad-primary: linear-gradient(135deg, var(--ws-primary) 0%, var(--ws-primary-hover) 100%);
    --ws-modal-grad-hero: radial-gradient(circle at 0% 0%, rgba(var(--ws-primary-rgb), 0.05) 0%, transparent 50%),
                           radial-gradient(circle at 100% 100%, rgba(var(--ws-primary-rgb), 0.05) 0%, transparent 50%);
    
    /* 애니메이션 */
    --ws-modal-transition-speed: 0.4s;
    --ws-modal-transition-timing: cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Z-index */
    --ws-modal-z-index-base: 1050;
    --ws-modal-z-index-backdrop: 1040;
}

/* ========================================
   공통 모달 컨테이너 스타일
   ======================================== */

/* 모달 배경 오버레이 */
.ws-modal-backdrop {
    background-color: var(--ws-modal-overlay);
    backdrop-filter: blur(2px);
}

/* 모달 컨테이너 기본 스타일 */
.ws-common-modal .modal-content {
    border: none;
    border-radius: var(--ws-modal-radius-lg);
    box-shadow: var(--ws-modal-shadow-lg);
    font-family: var(--ws-modal-font-family);
    overflow: hidden;
    background: var(--ws-modal-bg);
}

/* 프리미엄 모달 추가 스타일 */
.ws-premium-modal .modal-content {
    background-image: var(--ws-modal-grad-hero);
}

.ws-modal-accent-line {
    height: 4px;
    background: var(--ws-modal-grad-primary);
    width: 100%;
}

/* ========================================
   모달 헤더
   ======================================== */
.ws-modal-header {
    padding: var(--ws-modal-spacing-xl) var(--ws-modal-spacing-xl) var(--ws-modal-spacing-md);
    border-bottom: none;
    background: transparent;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.ws-modal-header-content {
    flex: 1;
}

.ws-modal-title {
    margin: 0;
    font-size: var(--ws-modal-font-size-xl);
    font-weight: 800;
    color: var(--ws-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.ws-modal-subtitle {
    margin: var(--ws-modal-spacing-xs) 0 0;
    font-size: var(--ws-modal-font-size-sm);
    color: var(--ws-modal-text-secondary);
    font-weight: 500;
}

/* 닫기 버튼 */
.ws-close-btn {
    background: none;
    border: none;
    padding: var(--ws-modal-spacing-xs);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--ws-modal-transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ws-close-btn:hover {
    opacity: 1;
}

.ws-close-btn svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   모달 바디
   ======================================== */
.ws-modal-body {
    padding: var(--ws-modal-spacing-md) var(--ws-modal-spacing-xl) var(--ws-modal-spacing-xl);
    color: var(--ws-modal-text-primary);
    font-size: var(--ws-modal-font-size-base);
    line-height: 1.6;
}

.ws-modal-content-inner {
    padding: 0;
}

/* 아이콘이 있는 모달 바디 */
.ws-modal-body-with-icon {
    display: flex;
    align-items: center;
    gap: var(--ws-modal-spacing-xl);
}

.ws-modal-body-with-icon .ws-modal-content-text {
    flex: 1;
}

/* 중앙 정렬 레이아웃 (알림/성공 등 단순 메시지용) */
.ws-modal-centered-layout {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: var(--ws-modal-spacing-md);
}

.ws-modal-centered-layout .ws-modal-icon {
    margin-bottom: var(--ws-modal-spacing-lg);
    width: 80px;
    height: 80px;
    font-size: 36px;
}

.ws-modal-centered-layout .ws-modal-message {
    font-size: var(--ws-modal-font-size-lg);
    font-weight: 600;
    color: var(--ws-modal-text-primary);
}

.ws-modal-footer-centered {
    justify-content: center;
}

.ws-modal-footer-centered .ws-modal-footer-inner {
    justify-content: center;
}

/* ========================================
   모달 푸터
   ======================================== */
.ws-modal-footer {
    padding: var(--ws-modal-spacing-md) var(--ws-modal-spacing-xl) var(--ws-modal-spacing-xl);
    border-top: none;
    background-color: transparent;
    display: flex;
    justify-content: flex-end;
}

.ws-modal-footer-inner {
    display: flex;
    gap: var(--ws-modal-spacing-sm);
    width: 100%;
    justify-content: flex-end;
}

/* ========================================
   모달 아이콘 스타일
   ======================================== */
.ws-modal-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

.ws-modal-icon-success {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #15803d;
}

.ws-modal-icon-error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #b91c1c;
}

.ws-modal-icon-warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #b45309;
}

.ws-modal-icon-info {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    color: #0369a1;
}

/* ========================================
   버튼 스타일
   ======================================== */
.ws-modal-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--ws-modal-radius-sm);
    font-size: var(--ws-modal-font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--ws-modal-transition-speed) var(--ws-modal-transition-timing);
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.01em;
}

/* Primary 버튼 */
.ws-modal-btn-primary {
    background: var(--ws-modal-grad-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(29, 161, 242, 0.3);
}

.ws-modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 161, 242, 0.4);
    filter: brightness(1.1);
}

/* Danger 버튼 */
.ws-modal-btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #a52834 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.ws-modal-btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.4);
    filter: brightness(1.1);
}

/* Secondary 버튼 (취소 등) */
.ws-modal-btn-secondary {
    background-color: var(--ws-bg-soft);
    color: var(--ws-text-secondary);
    border: 1px solid var(--ws-border);
}

.ws-modal-btn-secondary:hover {
    background-color: var(--ws-border);
    color: var(--ws-text);
    transform: translateY(-2px);
}

/* ========================================
   모달 크기
   ======================================== */
.ws-modal-sm {
    max-width: 480px;
}

.ws-modal-md {
    max-width: 640px;
}

.ws-modal-lg {
    max-width: 850px;
}

.ws-modal-xl {
    max-width: 1140px;
}

/* ========================================
   애니메이션
   ======================================== */

/* 페이드 인 애니메이션 */
@keyframes ws-modal-fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 슬라이드 다운 애니메이션 */
@keyframes ws-modal-slide-down {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 슬라이드 업 애니메이션 (닫을 때) */
@keyframes ws-modal-slide-up {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-50px) scale(0.95);
    }
}

/* 모달이 나타날 때 */
.ws-common-modal.show .modal-dialog {
    animation: ws-modal-slide-down var(--ws-modal-transition-speed) var(--ws-modal-transition-timing);
}

/* 아이콘 펄스 애니메이션 (선택적) */
@keyframes ws-icon-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.ws-modal-icon-animate {
    animation: ws-icon-pulse 0.5s ease-in-out;
}

/* ========================================
   메시지 텍스트 스타일
   ======================================== */
.ws-modal-message {
    font-size: var(--ws-modal-font-size-base);
    color: var(--ws-modal-text-primary);
    line-height: 1.6;
}

.ws-modal-message-muted {
    font-size: var(--ws-modal-font-size-sm);
    color: var(--ws-modal-text-secondary);
    margin-top: var(--ws-modal-spacing-sm);
}

/* ========================================
   접근성
   ======================================== */

/* 포커스 스타일 */
.ws-modal-btn:focus,
.ws-close-btn:focus {
    outline: 2px solid var(--ws-modal-primary);
    outline-offset: 2px;
}

/* 키보드 네비게이션 지원 */
.ws-common-modal [tabindex="-1"]:focus {
    outline: none;
}

/* ========================================
   반응형 디자인
   ======================================== */

/* 모바일 */
@media (max-width: 576px) {
    .ws-modal-header {
        padding: var(--ws-modal-spacing-md);
    }
    
    .ws-modal-body {
        padding: var(--ws-modal-spacing-md);
    }
    
    .ws-modal-footer {
        padding: var(--ws-modal-spacing-sm) var(--ws-modal-spacing-md);
        flex-direction: column-reverse;
    }
    
    .ws-modal-btn {
        width: 100%;
    }
    
    .ws-modal-title {
        font-size: var(--ws-modal-font-size-lg);
    }
    
    .ws-modal-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

/* 태블릿 */
@media (min-width: 577px) and (max-width: 768px) {
    .ws-modal-sm,
    .ws-modal-md {
        max-width: 90%;
    }
}

/* ========================================
   다크 모드 지원 (theme.css에서 관리)
   ======================================== */
/* 다크모드는 theme.css의 [data-theme="dark"]에서 관리됩니다 */

/* ========================================
   유틸리티 클래스
   ======================================== */

/* 텍스트 정렬 */
.ws-modal-text-center {
    text-align: center;
}

.ws-modal-text-left {
    text-align: left;
}

.ws-modal-text-right {
    text-align: right;
}

/* 간격 조정 */
.ws-modal-mt-sm {
    margin-top: var(--ws-modal-spacing-sm);
}

.ws-modal-mt-md {
    margin-top: var(--ws-modal-spacing-md);
}

.ws-modal-mb-sm {
    margin-bottom: var(--ws-modal-spacing-sm);
}

.ws-modal-mb-md {
    margin-bottom: var(--ws-modal-spacing-md);
}

/* 로딩 스피너 (선택적) */
.ws-modal-spinner {
    border: 3px solid var(--ws-modal-border);
    border-top: 3px solid var(--ws-modal-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: ws-spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes ws-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ========================================
   로딩 모달 (WonModal.loading)
   ":: won spirit" 브랜드 채우기 애니메이션
   ======================================== */

/* 로딩 모달 바디: 중앙 정렬, 충분한 여백 */
.ws-loading-modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.5rem 2rem 2rem;
    min-height: 200px;
}

/* 브랜드 글자 채우기 컨테이너 */
.ws-loading-brand-fill {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    user-select: none;
}

/* 개별 글자: 아래→위 채우기 그라데이션 */
.ws-loading-brand-fill .ws-loading-fill-char {
    display: inline-block;
    background: linear-gradient(
        to top,
        var(--ws-primary) 50%,
        var(--ws-text-muted) 50%
    );
    background-size: 100% 200%;
    background-position: 0% 0%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 채우기 진행 중 */
.ws-loading-brand-fill .ws-loading-fill-char.ws-loading-filling {
    animation: ws-loading-char-fill-up 0.5s ease forwards;
}

/* 페이드 아웃 (사이클 리셋) */
.ws-loading-brand-fill.ws-loading-fade-out .ws-loading-fill-char {
    animation: ws-loading-char-fade-out 0.5s ease forwards;
}

@keyframes ws-loading-char-fill-up {
    from { background-position: 0% 0%; }
    to   { background-position: 0% 100%; }
}

@keyframes ws-loading-char-fade-out {
    from { background-position: 0% 100%; opacity: 1; }
    to   { background-position: 0% 0%; opacity: 0.4; }
}

/* 안내 메시지 */
.ws-loading-message {
    font-size: 1rem;
    font-weight: 700;
    color: var(--ws-text);
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}

/* 보조 설명 */
.ws-loading-sub-message {
    font-size: 0.85rem;
    color: var(--ws-text-secondary);
    line-height: 1.5;
}

/* 반응형: 모바일에서 브랜드 폰트 축소 */
@media (max-width: 576px) {
    .ws-loading-brand-fill {
        font-size: 1.5rem;
    }
    .ws-loading-modal-body {
        padding: 2rem 1.5rem 1.5rem;
        min-height: 160px;
    }
}

/* ========================================
   프롬프트 입력 스타일
   ======================================== */
.ws-modal-prompt-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--ws-modal-border);
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--ws-modal-bg);
    color: var(--ws-modal-text-primary);
}

.ws-modal-prompt-input:focus {
    outline: none;
    border-color: var(--ws-modal-primary);
    box-shadow: 0 0 0 3px rgba(29, 161, 242, 0.1);
}

.ws-modal-prompt-input::placeholder {
    color: var(--ws-modal-text-muted);
}