/* ============================================
   Pickle.plus 스타일 - 모바일 중심 디자인
   ============================================ */

:root {
    /* Colors */
    --primary-color: #E50914;
    --primary-hover: #b20710;
    --background: #FFFFFF;
    --surface: #f5f5f7;
    --border-color: #E5E5EA;
    --text-primary: #1D1D1F;
    --text-secondary: #6e6e73;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 48px;
    --spacing-4xl: 64px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* Font Weights */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Status Colors */
    --success: #34C759;
    --warning: #FF9500;
    --error: #FF3B30;
    --info: #007AFF;
}

/* ============================================
   기본 리셋 및 설정
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Segoe UI", "Noto Sans KR", sans-serif;
    color: var(--text-primary);
    background-color: var(--background);
    line-height: 1.5;
    overflow-x: hidden;
    padding-bottom: 61px; /* 하단 네비게이션 공간 */
}

/* ============================================
   모바일 중심 컨테이너 (PC에서도 모바일 너비)
   ============================================ */

.mobile-container {
    max-width: 540px;
    margin: 0 auto;
    background-color: var(--background);
    min-height: 100vh;
    position: relative;
}

.container {
    max-width: 540px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   헤더 (간소화)
   ============================================ */

header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgb(250,250,252);
    border-bottom: 1px solid var(--border-color);
    max-width: 540px;
    margin: 0 auto;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    height: 56px;
}

.header-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.header-back {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color 0.2s;
}

.header-back:hover {
    background-color: var(--background);
}

.header-back svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
}

/* ============================================
   하단 네비게이션 바
   ============================================ */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 540px;
    background-color: rgb(250,250,252);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-decoration: none;
    color: var(--text-secondary);
    transition: all 0.2s;
    flex: 1;
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item svg {
    width: 22px;
    height: 22px;
}

.nav-item span {
    font-size: 12px;
    font-weight: var(--font-weight-medium);
}

/* ============================================
   페이지 타이틀
   ============================================ */

.page-header {
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    background-color: var(--surface);
}

.page-title {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ============================================
   카드
   ============================================ */

.card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   폼 요소
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-xl);
}

.form-label {
    display: block;
    font-size: 15px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-textarea,
.form-select {
width: 100%;
padding: var(--spacing-lg);
font-size: 16px;
font-family: inherit;
color: var(--text-primary);
/* 기존 border 속성 제거 또는 none으로 설정 */
border: none;
/* 배경색은 유지하거나 transparent로 설정 */
background-color: var(--background);
/* 밑줄(아래쪽 테두리)만 추가 */
border-bottom: 2px solid var(--border-color); /* 예: 1px 실선, 색상은 기존 변수 사용 */
/* border-radius는 테두리가 없어지면서 효과가 줄지만, 필요에 따라 유지 */
border-radius: 0; /* 밑줄만 남기므로 보통 0으로 설정하거나 제거합니다. */
outline: none;
transition: all 0.2s;
-webkit-appearance: none;
appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--primary-color);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-secondary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-helper {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
}

/* ============================================
   버튼
   ============================================ */

.button {
    background: linear-gradient(135deg, var(--primary-color) 0%, #a0070e 100%);
    color: white;
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 17px;
    font-weight: var(--font-weight-bold);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    position: relative;
    overflow: hidden;
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transition: left 0.7s;
}

.button:hover::before {
    left: 100%;
}

.button svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}

.button:hover svg {
    transform: translateX(4px);
}

.button-secondary {
    background-color: #E5E5EA;
    color: var(--text-primary);
    border: 2px solid var(--border);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.button-secondary:hover:not(:disabled) {
    transform: translateY(-1px);
}

.button-secondary:active:not(:disabled) {
    transform: translateY(0);
}

.button-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.button-ghost {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.button-ghost:hover:not(:disabled) {
    background-color: rgba(255, 59, 48, 0.05);
}

.button-small {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 14px;
}

/* ============================================
   알림/경고 박스
   ============================================ */

.alert {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
    line-height: 1.5;
}

.alert.info {
    background-color: rgba(0, 122, 255, 0.1);
    color: var(--info);
    border: 1px solid rgba(0, 122, 255, 0.2);
}

.alert.success {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success);
    border: 1px solid rgba(52, 199, 89, 0.2);
}

.alert.warning {
    background-color: rgba(255, 149, 0, 0.1);
    color: var(--warning);
    border: 1px solid rgba(255, 149, 0, 0.2);
}

.alert.error {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--error);
    border: 1px solid rgba(255, 59, 48, 0.2);
}

.info-box {
    background-color: rgba(0, 122, 255, 0.05);
    border: 1px solid rgba(0, 122, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.info-box-text {
    font-size: 14px;
    color: var(--info);
    line-height: 1.6;
}
/* ============================================
   상태 뱃지
   ============================================ */

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.status-pending {
    background-color: rgba(255, 149, 0, 0.1);
    color: var(--warning);
}

.status-completed {
    background-color: rgba(0, 122, 255, 0.1);
    color: var(--info);
}

.status-active {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success);
}

/* ============================================
   Empty State
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-xl);
    color: var(--text-secondary);
    opacity: 0.5;
}

.empty-state-icon svg {
    width: 100%;
    height: 100%;
}

.empty-state-title {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ============================================
   로딩 스피너
   ============================================ */

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

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

.text-center {
    text-align: center;
}

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

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.hidden {
    display: none !important;
}

/* ============================================
   반응형 (큰 화면에서도 모바일 너비 유지)
   ============================================ */

@media (min-width: 540px) {
    body {
        background-color: #E5E5EA;
    }
    
    .mobile-container {
        box-shadow: 0 0 40px rgba(0, 0, 0, 0.1);
    }
}

/* ============================================
   Progress Steps (다단계 폼용)
   ============================================ */

.progress-steps {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-lg);
    background-color: var(--surface);
    margin-bottom: var(--spacing-lg);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    position: relative;
}

.progress-step::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    right: -50%;
    height: 2px;
    background-color: var(--border-color);
    z-index: 0;
}

.progress-step:last-child::before {
    display: none;
}

.progress-step.active .step-circle {
    background-color: var(--primary-color);
    color: white;
}

.progress-step.completed .step-circle {
    background-color: var(--success);
    color: white;
}

.progress-step.completed::before {
    background-color: var(--success);
}

.step-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--background);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    z-index: 1;
    position: relative;
}

.step-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-align: center;
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: var(--font-weight-semibold);
}