/**
 * HC Login Pro - 베이스 템플릿 스타일
 * 모든 템플릿에 공통으로 적용되는 기본 스타일
 * 
 * File: base.css
 * Version: 1.0.0
 */

/* ========================================
   CSS 변수 (기본값)
   ======================================== */
:root {
    /* 색상 */
    --hc-primary: #6366f1;
    --hc-primary-hover: #4f46e5;
    --hc-primary-light: rgba(99, 102, 241, 0.1);
    --hc-secondary: #8b5cf6;
    --hc-success: #10b981;
    --hc-warning: #f59e0b;
    --hc-error: #ef4444;
    --hc-info: #3b82f6;
    
    /* 배경 */
    --hc-bg-primary: #ffffff;
    --hc-bg-secondary: #f8fafc;
    --hc-bg-tertiary: #f1f5f9;
    
    /* 텍스트 */
    --hc-text-primary: #1e293b;
    --hc-text-secondary: #64748b;
    --hc-text-muted: #94a3b8;
    --hc-text-inverse: #ffffff;
    
    /* 테두리 */
    --hc-border: #e2e8f0;
    --hc-border-dark: #cbd5e1;
    --hc-border-focus: var(--hc-primary);
    
    /* 간격 */
    --hc-space-1: 0.25rem;
    --hc-space-2: 0.5rem;
    --hc-space-3: 0.75rem;
    --hc-space-4: 1rem;
    --hc-space-5: 1.25rem;
    --hc-space-6: 1.5rem;
    --hc-space-8: 2rem;
    --hc-space-10: 2.5rem;
    --hc-space-12: 3rem;
    
    /* 폰트 */
    --hc-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
    --hc-font-size-xs: 0.75rem;
    --hc-font-size-sm: 0.875rem;
    --hc-font-size-base: 1rem;
    --hc-font-size-lg: 1.125rem;
    --hc-font-size-xl: 1.25rem;
    --hc-font-size-2xl: 1.5rem;
    --hc-font-weight-normal: 400;
    --hc-font-weight-medium: 500;
    --hc-font-weight-semibold: 600;
    --hc-font-weight-bold: 700;
    
    /* 둥글기 */
    --hc-radius-sm: 0.375rem;
    --hc-radius-md: 0.5rem;
    --hc-radius-lg: 0.75rem;
    --hc-radius-xl: 1rem;
    --hc-radius-2xl: 1.5rem;
    --hc-radius-full: 9999px;
    
    /* 그림자 */
    --hc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --hc-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --hc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --hc-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* 전환 */
    --hc-transition-fast: 150ms ease;
    --hc-transition: 200ms ease;
    --hc-transition-slow: 300ms ease;
    
    /* 폼 크기 */
    --hc-form-max-width: 420px;
    --hc-input-height: 48px;
    --hc-btn-height: 48px;
}

/* ========================================
   기본 리셋 및 박스 모델
   ======================================== */
.hc-form-wrapper,
.hc-form-wrapper * {
    box-sizing: border-box;
}

.hc-form-wrapper {
    font-family: var(--hc-font-sans);
    font-size: var(--hc-font-size-base);
    line-height: 1.6;
    color: var(--hc-text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   폼 래퍼
   ======================================== */
.hc-form-wrapper {
    width: 100%;
    max-width: var(--hc-form-max-width);
    margin: 0 auto;
    padding: var(--hc-space-8);
    background: var(--hc-bg-primary);
    border-radius: var(--hc-radius-xl);
}

/* ========================================
   폼 타이틀
   ======================================== */
.hc-form-title {
    margin: 0 0 var(--hc-space-6);
    font-size: var(--hc-font-size-2xl);
    font-weight: var(--hc-font-weight-bold);
    color: var(--hc-text-primary);
    text-align: center;
}

.hc-form-description {
    margin: 0 0 var(--hc-space-6);
    font-size: var(--hc-font-size-sm);
    color: var(--hc-text-secondary);
    text-align: center;
}

/* ========================================
   폼 그룹
   ======================================== */
.hc-form-group {
    margin-bottom: var(--hc-space-5);
}

.hc-form-label {
    display: block;
    margin-bottom: var(--hc-space-2);
    font-size: var(--hc-font-size-sm);
    font-weight: var(--hc-font-weight-medium);
    color: var(--hc-text-primary);
}

.hc-form-label .required {
    color: var(--hc-error);
    margin-left: var(--hc-space-1);
}

/* ========================================
   입력 필드
   ======================================== */
.hc-form-input {
    display: block;
    width: 100%;
    height: var(--hc-input-height);
    padding: 0 var(--hc-space-4);
    font-family: inherit;
    font-size: var(--hc-font-size-base);
    color: var(--hc-text-primary);
    background: var(--hc-bg-primary);
    border: 2px solid var(--hc-border);
    border-radius: var(--hc-radius-lg);
    outline: none;
    transition: all var(--hc-transition);
}

.hc-form-input::placeholder {
    color: var(--hc-text-muted);
}

.hc-form-input:hover {
    border-color: var(--hc-border-dark);
}

.hc-form-input:focus {
    border-color: var(--hc-border-focus);
    box-shadow: 0 0 0 3px var(--hc-primary-light);
}

.hc-form-input:disabled {
    background: var(--hc-bg-tertiary);
    cursor: not-allowed;
    opacity: 0.7;
}

/* 도움말 텍스트 */
.hc-form-help {
    display: block;
    margin-top: var(--hc-space-2);
    font-size: var(--hc-font-size-xs);
    color: var(--hc-text-muted);
}

/* ========================================
   체크박스
   ======================================== */
.hc-checkbox-group {
    margin: var(--hc-space-5) 0;
}

.hc-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--hc-space-3);
    cursor: pointer;
    font-size: var(--hc-font-size-sm);
    color: var(--hc-text-secondary);
}

.hc-checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    flex-shrink: 0;
    accent-color: var(--hc-primary);
    cursor: pointer;
}

.hc-checkbox-label span {
    line-height: 1.4;
}

/* ========================================
   버튼
   ======================================== */
.hc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--hc-space-2);
    height: var(--hc-btn-height);
    padding: 0 var(--hc-space-6);
    font-family: inherit;
    font-size: var(--hc-font-size-base);
    font-weight: var(--hc-font-weight-semibold);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--hc-radius-lg);
    cursor: pointer;
    transition: all var(--hc-transition);
    -webkit-appearance: none;
    appearance: none;
}

.hc-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--hc-primary-light);
}

.hc-btn-primary {
    background: var(--hc-primary);
    color: var(--hc-text-inverse);
    border-color: var(--hc-primary);
}

.hc-btn-primary:hover {
    background: var(--hc-primary-hover);
    border-color: var(--hc-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--hc-shadow-lg);
}

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

.hc-btn-full {
    width: 100%;
}

.hc-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ========================================
   소셜 로그인 섹션
   ======================================== */
.hc-social-divider {
    display: flex;
    align-items: center;
    margin: var(--hc-space-6) 0;
    color: var(--hc-text-muted);
    font-size: var(--hc-font-size-sm);
}

.hc-social-divider::before,
.hc-social-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--hc-border);
}

.hc-social-divider span {
    padding: 0 var(--hc-space-4);
}

#hc-social-login-container {
    display: flex;
    flex-direction: column;
    gap: var(--hc-space-3);
    width: 100%;
}

/* ========================================
   하단 링크
   ======================================== */
.hc-form-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--hc-space-3);
    margin-top: var(--hc-space-6);
    padding-top: var(--hc-space-6);
    border-top: 1px solid var(--hc-border);
    font-size: var(--hc-font-size-sm);
}

.hc-form-links span {
    color: var(--hc-text-muted);
}

/* 텍스트 링크 스타일 (버튼 아님) */
.hc-link {
    color: var(--hc-primary);
    text-decoration: none;
    font-weight: var(--hc-font-weight-medium);
    transition: color var(--hc-transition);
    padding: 0;
    background: none;
}

.hc-link:hover {
    color: var(--hc-primary-hover);
    text-decoration: underline;
}

/* ========================================
   알림 메시지
   ======================================== */
.hc-notice {
    padding: var(--hc-space-4);
    margin-bottom: var(--hc-space-5);
    border-radius: var(--hc-radius-md);
    font-size: var(--hc-font-size-sm);
}

.hc-notice-success {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.hc-notice-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hc-notice-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.hc-notice-info {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ========================================
   로딩 상태
   ======================================== */
.hc-btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.hc-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: hc-spin 0.6s linear infinite;
}

@keyframes hc-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   반응형
   ======================================== */
@media (max-width: 480px) {
    .hc-form-wrapper {
        padding: var(--hc-space-6);
        border-radius: var(--hc-radius-lg);
    }
    
    .hc-form-title {
        font-size: var(--hc-font-size-xl);
    }
    
    .hc-form-input,
    .hc-btn {
        font-size: 16px; /* iOS 줌 방지 */
    }
}

/* ========================================
   소셜 로그인 구분선
   ======================================== */
.hc-social-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--hc-space-6) 0;
    color: var(--hc-text-muted);
    font-size: var(--hc-font-size-sm);
}

.hc-social-divider::before,
.hc-social-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--hc-border);
}

.hc-social-divider span {
    padding: 0 var(--hc-space-4);
    white-space: nowrap;
}

/* ========================================
   소셜 로그인 컨테이너
   ======================================== */
#hc-social-login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--hc-space-3);
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    margin-top: var(--hc-space-4);
}

#hc-social-login-container .hc-social-btn {
    width: 100%;
    max-width: 320px;
}

/* 애플 로그인 버튼 - 모든 템플릿에서 일관된 스타일 */
#hc-social-login-container .hc-btn-apple,
#hc-social-login-container [class*="apple"],
#hc-social-login-container [class*="Apple"],
#hc-social-login-container button[data-provider="apple"],
#hc-social-login-container .hc-social-btn-apple {
    background: #000000 !important;
    border: 2px solid #000000 !important;
    color: #ffffff !important;
}

#hc-social-login-container .hc-btn-apple:hover,
#hc-social-login-container [class*="apple"]:hover,
#hc-social-login-container [class*="Apple"]:hover,
#hc-social-login-container button[data-provider="apple"]:hover,
#hc-social-login-container .hc-social-btn-apple:hover {
    background: #1a1a1a !important;
    border-color: #1a1a1a !important;
}

#hc-social-login-container .hc-btn-apple svg,
#hc-social-login-container [class*="apple"] svg,
#hc-social-login-container [class*="Apple"] svg,
#hc-social-login-container button[data-provider="apple"] svg,
#hc-social-login-container .hc-social-btn-apple svg {
    fill: #ffffff !important;
}

#hc-social-login-container .hc-btn-apple img,
#hc-social-login-container [class*="apple"] img,
#hc-social-login-container [class*="Apple"] img,
#hc-social-login-container button[data-provider="apple"] img,
#hc-social-login-container .hc-social-btn-apple img {
    filter: brightness(0) invert(1) !important;
}

/* ========================================
   하단 링크 (가로 한줄 - 텍스트 링크)
   ======================================== */
.hc-form-links {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    white-space: nowrap;
    justify-content: center;
    align-items: center;
    gap: var(--hc-space-3);
    margin-top: var(--hc-space-6);
    padding-top: var(--hc-space-4);
    border-top: 1px solid var(--hc-border);
    font-size: var(--hc-font-size-sm);
    color: var(--hc-text-secondary);
}

.hc-form-links span {
    color: var(--hc-text-muted);
}

/* 텍스트 링크 스타일 */
.hc-form-links a {
    color: var(--hc-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
    padding: 0;
    background: none;
}

.hc-form-links a:hover {
    color: var(--hc-primary-hover);
    text-decoration: underline;
}

@media (max-width: 480px) {
    .hc-form-links {
        flex-direction: row;
        flex-wrap: nowrap;
        gap: var(--hc-space-2);
        font-size: var(--hc-font-size-xs);
    }
}