/* 테마 시스템 - CSS Custom Properties */

:root {
    --transition-speed: 0.3s;
    --font-scale: 1;
}

/* ========================================
   Fresh 테마 (기본) - 밝고 청량한 느낌
   ======================================== */
[data-theme="fresh"] {
    --color-primary: #2E7D6B;
    --color-primary-light: #4DB6A0;
    --color-primary-dark: #1B5E4F;
    
    --color-bg: #FAFCFB;
    --color-bg-secondary: #E8F5F1;
    --color-bg-card: #FFFFFF;
    
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-text-muted: #95A5A6;
    
    --color-header-bg: linear-gradient(135deg, #4DB6A0 0%, #2E7D6B 100%);
    --color-header-text: #FFFFFF;
    --color-nav-hover: rgba(255, 255, 255, 0.25);
    
    --color-accent: #00B894;
    --color-accent-hover: #00A885;
    
    --shadow-card: 0 4px 16px rgba(46, 125, 107, 0.1);
    --shadow-card-hover: 0 12px 32px rgba(46, 125, 107, 0.18);
    
    --color-border: #D1E9E1;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    
    --color-btn: #2E7D6B;
    --color-btn-hover: #1B5E4F;
    --color-btn-text: #FFFFFF;
    
    --color-footer-bg: #F0F7F5;
    --color-footer-text: #2D3436;
}

/* ========================================
   Warm 테마 - 따뜻하고 식욕 돋는 느낌
   ======================================== */
[data-theme="warm"] {
    --color-primary: #D35400;
    --color-primary-light: #E67E22;
    --color-primary-dark: #A04000;
    
    --color-bg: #FFFAF5;
    --color-bg-secondary: #FEF3E8;
    --color-bg-card: #FFFFFF;
    
    --color-text: #3D2914;
    --color-text-light: #6B5344;
    --color-text-muted: #9C8577;
    
    --color-header-bg: linear-gradient(135deg, #E67E22 0%, #D35400 100%);
    --color-header-text: #FFFFFF;
    --color-nav-hover: rgba(255, 255, 255, 0.25);
    
    --color-accent: #F39C12;
    --color-accent-hover: #E67E22;
    
    --shadow-card: 0 4px 16px rgba(211, 84, 0, 0.1);
    --shadow-card-hover: 0 12px 32px rgba(211, 84, 0, 0.18);
    
    --color-border: #F5DCC8;
    --border-radius: 16px;
    --border-radius-sm: 10px;
    
    --color-btn: #D35400;
    --color-btn-hover: #A04000;
    --color-btn-text: #FFFFFF;
    
    --color-footer-bg: #FEF3E8;
    --color-footer-text: #3D2914;
}

/* ========================================
   공통 스타일 오버라이드
   ======================================== */

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Header */
.top-header {
    background: var(--color-header-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.site-logo a {
    color: var(--color-header-text);
    font-weight: 700;
}

.nav-link {
    color: var(--color-header-text);
    opacity: 0.95;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-nav-hover);
    opacity: 1;
    color: var(--color-header-text);
}

.search-input {
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    color: var(--color-text);
}

.search-input:focus {
    background-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.4);
}

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

/* Page Header */
.page-header {
    background: var(--color-header-bg);
}

.page-title,
.page-subtitle {
    color: var(--color-header-text);
}

/* Typography */
h2 {
    color: var(--color-primary);
}

.category-header h2 {
    color: var(--color-primary);
    font-size: calc(1.4rem * var(--font-scale));
}

.category-header p {
    color: var(--color-text-light);
    font-size: calc(1rem * var(--font-scale));
}

/* Restaurant Cards */
.restaurant-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border);
}

.restaurant-card:hover {
    box-shadow: var(--shadow-card-hover);
}

.restaurant-image {
    transition: transform 0.4s ease;
}

.restaurant-card:hover .restaurant-image {
    transform: scale(1.03);
}

.restaurant-name {
    color: var(--color-text);
    font-size: calc(1.05rem * var(--font-scale));
}

.restaurant-description {
    color: var(--color-text-light);
    font-size: calc(0.875rem * var(--font-scale));
}

.restaurant-dish {
    color: var(--color-primary);
    font-size: calc(0.9rem * var(--font-scale));
}

.map-link {
    background: var(--color-btn);
    color: var(--color-btn-text);
    border-radius: var(--border-radius-sm);
    font-size: calc(0.85rem * var(--font-scale));
}

.map-link:hover {
    background: var(--color-btn-hover);
    color: var(--color-btn-text);
}

/* Map & Instagram Sections */
.map-section h2,
.instagram-section h2 {
    color: var(--color-primary);
}

.map-section p,
.instagram-section p {
    color: var(--color-text-light);
}

.map-container {
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.instagram-section {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius);
}

.instagram-btn {
    background: var(--color-btn);
    border-radius: var(--border-radius-sm);
}

.instagram-btn:hover {
    background: var(--color-btn-hover);
}

/* Footer */
.site-footer {
    background: var(--color-footer-bg);
    color: var(--color-footer-text);
    border-top-color: var(--color-border);
}

.footer-links a {
    color: var(--color-primary);
}

.copyright {
    color: var(--color-text-muted);
}

/* ========================================
   폰트 크기 조절
   ======================================== */
[data-font-size="small"] {
    --font-scale: 0.9;
}

[data-font-size="medium"] {
    --font-scale: 1;
}

[data-font-size="large"] {
    --font-scale: 1.12;
}

/* ========================================
   카드 스타일 - Compact
   ======================================== */
[data-card-style="compact"] .restaurant-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

[data-card-style="compact"] .restaurant-image {
    height: 130px;
}

[data-card-style="compact"] .restaurant-info {
    padding: 12px;
}

[data-card-style="compact"] .restaurant-name {
    font-size: calc(0.9rem * var(--font-scale));
}

[data-card-style="compact"] .restaurant-description {
    display: none;
}

[data-card-style="compact"] .restaurant-dish {
    font-size: calc(0.8rem * var(--font-scale));
    margin-bottom: 8px;
}

[data-card-style="compact"] .map-link {
    padding: 8px 12px;
    font-size: calc(0.75rem * var(--font-scale));
}

/* ========================================
   애니메이션 - ON
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 헤더 애니메이션 */
[data-animations="on"] .top-header {
    animation: slideDown 0.4s ease-out;
}

/* 배너 애니메이션 */
[data-animations="on"] .banner-image {
    animation: fadeIn 0.6s ease-out;
}

/* 페이지 헤더 애니메이션 */
[data-animations="on"] .page-header {
    animation: fadeIn 0.5s ease-out;
}

/* 카테고리 헤더 애니메이션 */
[data-animations="on"] .category-header {
    animation: fadeInUp 0.5s ease-out 0.1s both;
}

/* 카드 순차 애니메이션 */
[data-animations="on"] .restaurant-card {
    animation: fadeInUp 0.5s ease-out both;
}

[data-animations="on"] .restaurant-card:nth-child(1) { animation-delay: 0.05s; }
[data-animations="on"] .restaurant-card:nth-child(2) { animation-delay: 0.1s; }
[data-animations="on"] .restaurant-card:nth-child(3) { animation-delay: 0.15s; }
[data-animations="on"] .restaurant-card:nth-child(4) { animation-delay: 0.2s; }
[data-animations="on"] .restaurant-card:nth-child(5) { animation-delay: 0.25s; }
[data-animations="on"] .restaurant-card:nth-child(6) { animation-delay: 0.3s; }
[data-animations="on"] .restaurant-card:nth-child(7) { animation-delay: 0.35s; }
[data-animations="on"] .restaurant-card:nth-child(8) { animation-delay: 0.4s; }
[data-animations="on"] .restaurant-card:nth-child(n+9) { animation-delay: 0.45s; }

/* 카드 호버 애니메이션 */
[data-animations="on"] .restaurant-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

[data-animations="on"] .restaurant-card:hover {
    transform: translateY(-8px);
}

[data-animations="on"] .restaurant-image {
    transition: transform 0.4s ease;
}

[data-animations="on"] .restaurant-card:hover .restaurant-image {
    transform: scale(1.05);
}

/* 버튼 호버 애니메이션 */
[data-animations="on"] .map-link {
    transition: all 0.25s ease;
}

[data-animations="on"] .map-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 네비게이션 링크 애니메이션 */
[data-animations="on"] .nav-link {
    transition: all 0.2s ease;
}

/* 검색창 포커스 애니메이션 */
[data-animations="on"] .search-input {
    transition: all 0.25s ease;
}

/* 지도/인스타그램 섹션 애니메이션 */
[data-animations="on"] .map-section,
[data-animations="on"] .instagram-section {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

/* 인스타그램 버튼 호버 */
[data-animations="on"] .instagram-btn {
    transition: all 0.25s ease;
}

[data-animations="on"] .instagram-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

/* 푸터 애니메이션 */
[data-animations="on"] .site-footer {
    animation: fadeIn 0.5s ease-out 0.4s both;
}

/* 설정 FAB 펄스 효과 */
[data-animations="on"] .settings-fab:not(.active) {
    animation: pulse 2s ease-in-out infinite;
}

[data-animations="on"] .settings-fab:hover {
    animation: none;
}

/* ========================================
   애니메이션 끄기 - OFF
   ======================================== */
[data-animations="off"],
[data-animations="off"] * {
    transition: none !important;
    animation: none !important;
}

[data-animations="off"] .restaurant-card:hover {
    transform: none;
}

[data-animations="off"] .restaurant-card:hover .restaurant-image {
    transform: none;
}

[data-animations="off"] .map-link:hover,
[data-animations="off"] .instagram-btn:hover,
[data-animations="off"] .settings-fab:hover {
    transform: none;
}

/* ========================================
   설정 패널 스타일
   ======================================== */
.settings-fab {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-btn);
    color: var(--color-btn-text);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.settings-fab:hover {
    transform: scale(1.08);
    background: var(--color-btn-hover);
}

.settings-fab svg {
    width: 22px;
    height: 22px;
    transition: transform 0.3s ease;
}

.settings-fab.active svg {
    transform: rotate(90deg);
}

/* 설정 패널 */
.settings-panel {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 280px;
    max-width: calc(100vw - 40px);
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px) scale(0.96);
    transition: all 0.25s ease;
    border: 1px solid var(--color-border);
    overflow: hidden;
}

.settings-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.settings-header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-bg-secondary);
}

.settings-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--color-text);
    font-weight: 600;
}

.settings-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    color: var(--color-text-muted);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.settings-close:hover {
    color: var(--color-text);
}

.settings-body {
    padding: 18px;
}

.settings-group {
    margin-bottom: 20px;
}

.settings-group:last-child {
    margin-bottom: 0;
}

.settings-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 테마 선택 버튼 */
.theme-options {
    display: flex;
    gap: 10px;
}

.theme-btn {
    flex: 1;
    padding: 14px 10px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.theme-btn:hover {
    border-color: var(--color-primary-light);
}

.theme-btn.active {
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
}

.theme-icon {
    font-size: 1.4rem;
    margin-bottom: 4px;
    display: block;
}

.theme-name {
    font-size: 0.75rem;
    color: var(--color-text);
    font-weight: 600;
}

/* 세그먼트 버튼 */
.segment-options {
    display: flex;
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    gap: 4px;
}

.segment-btn {
    flex: 1;
    padding: 8px 10px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--color-text-light);
    transition: all 0.2s ease;
    font-weight: 500;
}

.segment-btn:hover {
    color: var(--color-text);
}

.segment-btn.active {
    background: var(--color-bg-card);
    color: var(--color-primary);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

/* 토글 스위치 */
.toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-text {
    font-size: 0.9rem;
    color: var(--color-text);
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    border-radius: 26px;
    transition: 0.3s;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* ========================================
   모바일 반응형
   ======================================== */
@media (max-width: 479px) {
    .settings-fab {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }
    
    .settings-fab svg {
        width: 20px;
        height: 20px;
    }
    
    .settings-panel {
        bottom: 72px;
        right: 12px;
        left: 12px;
        width: auto;
        max-width: none;
    }
    
    .settings-body {
        padding: 14px;
    }
    
    .settings-group {
        margin-bottom: 16px;
    }
    
    .theme-btn {
        padding: 12px 8px;
    }
    
    .theme-icon {
        font-size: 1.2rem;
    }
    
    .segment-btn {
        padding: 8px 6px;
        font-size: 0.75rem;
    }

    /* Compact 모드 모바일 최적화 */
    [data-card-style="compact"] .restaurant-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    [data-card-style="compact"] .restaurant-image {
        height: 100px;
    }
    
    [data-card-style="compact"] .restaurant-info {
        padding: 10px;
    }
    
    [data-card-style="compact"] .map-link {
        padding: 6px 10px;
        font-size: 0.7rem;
        width: 100%;
        text-align: center;
    }
}

@media (min-width: 480px) and (max-width: 767px) {
    .settings-panel {
        width: 300px;
    }
    
    [data-card-style="compact"] .restaurant-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}