/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
    /* Dark Theme (Default) */
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --status-bg: #1e1b4b;
    --status-border: #312e81;
    --status-text: #e0e7ff;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

body.light-theme {
    /* Light Theme */
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent: #6d28d9;
    --accent-hover: #4c1d95;
    --status-bg: #e0f2fe;
    --status-border: #bae6fd;
    --status-text: #0369a1;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.5;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding: 2rem 1rem;
    min-height: 100vh;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
}

/* Header */
header {
    margin-bottom: 2rem;
}

.header-main {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "logo actions";
    gap: 0;
    width: 100%;
}

.logo-group {
    grid-area: logo;
}

.logo-group h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.logo-link {
    text-decoration: none;
    background: linear-gradient(to right, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.logo-group p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.header-actions {
    grid-area: actions;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.header-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    text-align: right;
}

/* Theme Toggle Switch */
.theme-toggle {
    cursor: pointer;
    user-select: none;
    margin-top: 0.25rem;
}

.theme-toggle.mobile-only {
    display: none;
}

.theme-toggle.desktop-only {
    display: block;
}

.title-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toggle-track {
    position: relative;
    display: flex;
    align-items: center;
    background-color: rgba(30, 41, 59, 0.7);
    border: 1px solid var(--card-border);
    padding: 2px;
    border-radius: 9999px;
    width: 140px;
    height: 38px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light-theme .toggle-track {
    background-color: rgba(226, 232, 240, 0.7);
}

.toggle-text {
    flex: 1;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 2;
    transition: color 0.3s ease;
    color: var(--text-secondary);
}

/* active 상태 글씨 색상 */
body:not(.light-theme) .dark-text {
    color: #ffffff;
}

body.light-theme .light-text {
    color: #ffffff;
}

.toggle-thumb {
    position: absolute;
    left: 2px;
    top: 2px;
    width: 66px;
    height: 32px;
    border-radius: 9999px;
    background: linear-gradient(to right, var(--accent), var(--accent-hover));
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2), 0 0 8px rgba(139, 92, 246, 0.4);
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 라이트 모드일 때 슬라이더가 오른쪽으로 이동 */
body.light-theme .toggle-thumb {
    transform: translateX(66px);
}

/* Controls */
.btn {
    background-color: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    color: #ffffff;
}

.btn-home {
    color: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
}

.btn-home:hover {
    color: var(--accent-hover);
    border-color: var(--accent-hover);
    background-color: rgba(139, 92, 246, 0.08);
}

/* 현재 접속 주소 표시 바 */
.active-domain-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.6rem;
    flex-wrap: wrap;
}

.active-domain-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 0.2rem 0.5rem;
    border-radius: 0.375rem;
    white-space: nowrap;
}

.active-domain-link {
    font-size: 0.95rem;
    font-weight: 700;
    font-family: 'Inter', monospace;
    color: var(--accent);
    word-break: break-all;
}

/* Toggle Container & Button */
.toggle-container {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 1rem;
}

.btn-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    transition: all 0.2s;
}

.btn-toggle:hover {
    color: var(--accent);
    background-color: rgba(255, 255, 255, 0.05);
}

.config-panel {
    grid-area: config;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 0.75rem;
    margin-top: 1.5rem;
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    box-shadow: var(--shadow);
}

.config-btn-group {
    display: flex;
    gap: 0.5rem;
}

.config-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.config-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.config-group input {
    background-color: var(--bg-color);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    width: 180px;
}

.config-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Status Bar */
.status-bar {
    background-color: var(--status-bg);
    border: 1px solid var(--status-border);
    color: var(--status-text);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
    margin-left: auto;
    width: fit-content;
}

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

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media(max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media(max-width: 640px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

/* Card */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.35), 0 0 8px rgba(139, 92, 246, 0.2), var(--shadow);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--card-border);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title-link {
    text-decoration: none;
    color: var(--text-primary);
    transition: color 0.2s;
}

.card-title-link:hover {
    color: var(--accent);
}

.more-link {
    font-size: 0.875rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.more-link:hover {
    color: var(--accent-hover);
}

.link-list {
    list-style: none;
}

.link-item {
    border-bottom: 1px solid var(--card-border);
    transition: background-color 0.2s;
}

.link-item:last-child {
    border-bottom: none;
}

.link-item:hover {
    background-color: rgba(139, 92, 246, 0.16);
}

body.light-theme .link-item:hover {
    background-color: rgba(139, 92, 246, 0.10);
}

.link-item a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
}

/* 테두리 그리기 애니메이션용 각도 변수 (transition 가능하도록 @property 등록) */
@property --rank-angle {
    syntax: '<angle>';
    initial-value: 0deg;
    inherits: false;
}

.rank-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 0.75rem;
    background-color: var(--bg-color);
    color: var(--text-secondary);
}

/* 마우스 오버 시 배지 바깥에 테두리가 왼쪽 위 모서리부터 시계방향으로 한 바퀴 그려짐 */
.rank-badge::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 0.55rem;
    background: conic-gradient(from 315deg, #c084fc var(--rank-angle), transparent 0deg);
    padding: 2px;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.link-item:hover .rank-badge::after,
.detail-item-card:hover .rank-badge::after {
    opacity: 1;
    --rank-angle: 360deg;
    transition: --rank-angle 0.6s ease, opacity 0.25s ease;
}

/* 순위 배지: 1위(네온 보라) → 10위(검정)로 갈수록 어두워짐 */
.rank-1 .rank-badge { background-color: #7c34c2; color: #ffffff; }
.rank-2 .rank-badge { background-color: #6f2eae; color: #ffffff; }
.rank-3 .rank-badge { background-color: #62279a; color: #ffffff; }
.rank-4 .rank-badge { background-color: #552086; color: #ffffff; }
.rank-5 .rank-badge { background-color: #481a72; color: #f3eefa; }
.rank-6 .rank-badge { background-color: #3c155e; color: #ece6f4; }
.rank-7 .rank-badge { background-color: #2f114a; color: #e2dcec; }
.rank-8 .rank-badge { background-color: #240d39; color: #dcd6e8; }
.rank-9 .rank-badge { background-color: #1a0a2a; color: #d2cce0; }
.rank-10 .rank-badge { background-color: #13111a; color: #cfcad8; }

.link-name {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 0.5rem;
}

.link-domain {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: monospace;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 130px;
    text-align: right;
}

/* Detail View Layout (List.html) */
.back-bar {
    margin-bottom: 1.5rem;
}

/* Detail Header */
.detail-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

/* Navigation Bar */
.navigation-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--card-border);
}

.nav-title-group {
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-subtitle {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.detail-item-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow);
}

.detail-item-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.3), 0 0 6px rgba(139, 92, 246, 0.15), var(--shadow);
}

.detail-item-top {
    display: flex;
    align-items: center;
    margin-bottom: 0;
}

.detail-item-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 1rem;
}

.detail-item-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.detail-item-domain {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: monospace;
    word-break: break-all;
}

.loading-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 1s ease-in-out infinite;
}

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

@media(max-width: 640px) {
    .header-main {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    .logo-group {
        grid-area: auto;
    }
    .header-actions {
        grid-area: auto;
        width: 100%;
        align-items: flex-start;
        gap: 0.75rem;
    }
    .header-desc {
        display: none !important;
    }
    .theme-toggle.mobile-only {
        display: block;
        margin-top: 0;
    }
    .theme-toggle.desktop-only {
        display: none;
    }
    .title-row {
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }
    .config-panel {
        grid-area: auto;
        flex-direction: column;
        align-items: stretch;
        margin-top: 0.5rem;
        margin-bottom: 0.5rem;
    }
    .config-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.375rem;
        width: 100%;
    }
    .config-group label {
        text-align: left;
    }
    .config-group input {
        width: 100%;
    }
    .config-btn-group {
        display: flex;
        flex-direction: row;
        width: 100%;
        gap: 0.5rem;
    }
    .config-btn-group .btn {
        flex: 1;
        font-size: 0.8rem;
        padding: 0.5rem 0.25rem;
        white-space: nowrap;
    }

    /* 전체보기 리스트 모바일 화면 레이아웃 최적화 (2번 이미지처럼 변경) */
    .detail-grid {
        display: flex;
        flex-direction: column;
        gap: 0;
        background-color: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 1rem;
        overflow: hidden;
        box-shadow: var(--shadow);
    }
    
    .detail-item-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        border: none;
        border-bottom: 1px solid var(--card-border);
        border-radius: 0;
        padding: 1rem 1.5rem;
        box-shadow: none;
    }
    
    .detail-item-card:last-child {
        border-bottom: none;
    }
    
    .detail-item-card:hover {
        transform: none;
        background-color: rgba(139, 92, 246, 0.16);
    }

    body.light-theme .detail-item-card:hover {
        background-color: rgba(139, 92, 246, 0.10);
    }
    
    /* 모바일에서는 로고를 숨겨 깔끔하게 한 줄로 노출 */
    .detail-logo-wrapper {
        display: none !important;
    }
    
    .detail-item-top {
        margin-bottom: 0;
    }
    
    .detail-item-domain {
        font-size: 0.85rem;
    }

    /* Navigation Bar Mobile Overrides */
    .navigation-bar {
        align-items: flex-start;
    }
    .nav-title-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }
    .nav-title {
        font-size: 1.15rem;
    }
    .nav-subtitle {
        font-size: 0.8rem;
    }
    .navigation-bar .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        flex-shrink: 0;
    }
}

/* Footer */
footer {
    margin-top: 2rem;
    padding-top: 0;
    padding-bottom: 0.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

footer p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

footer p.highlight-desc {
    color: var(--accent);
    font-weight: 500;
    margin-top: 0.25rem;
}