:root {
    --bg: #f3f6fb;
    --bg-accent: #e9f0ff;
    --surface: #ffffff;
    --surface-soft: #f8fbff;
    --ink: #162033;
    --muted: #64748b;
    --line: #dbe5f0;
    --primary: #2563eb;
    --primary-strong: #1d4ed8;
    --success: #138a52;
    --warning: #c27a12;
    --danger: #c63d3d;
    --shadow-lg: 0 24px 60px rgba(18, 32, 51, 0.08);
    --shadow-md: 0 10px 30px rgba(18, 32, 51, 0.06);
    --radius-xl: 28px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --content-width: 1200px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.10), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, var(--bg) 100%);
    color: var(--ink);
    font-family: "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

.site-shell {
    width: min(var(--content-width), calc(100% - 48px));
    margin: 0 auto;
    padding: 28px 0 72px;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 22px;
    border: 1px solid rgba(219, 229, 240, 0.9);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    color: white;
    font-weight: 800;
}

.brand-copy {
    display: grid;
    gap: 2px;
}

.brand-copy strong {
    font-size: 1.05rem;
    letter-spacing: -0.03em;
}

.brand-copy span {
    font-size: 0.82rem;
    color: var(--muted);
}

.site-nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.site-nav-link,
.site-nav-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 14px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--muted);
}

.site-nav-link:hover {
    background: var(--surface-soft);
    color: var(--ink);
}

.site-nav-pill {
    background: var(--primary);
    color: white;
}

.site-nav-pill:hover {
    background: var(--primary-strong);
}

.flash-stack {
    display: grid;
    gap: 12px;
    margin: 18px 0 0;
}

.flash-message {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.flash-message.alert-success {
    border-color: rgba(19, 138, 82, 0.2);
}

.flash-message.alert-danger,
.flash-message.alert-error {
    border-color: rgba(198, 61, 61, 0.22);
}

.page-grid {
    display: grid;
    gap: 24px;
    margin-top: 28px;
}

.app-header {
    display: grid;
    gap: 18px;
    padding: 28px 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-md);
}

.app-header h1 {
    margin: 6px 0 8px;
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    letter-spacing: -0.04em;
}

.app-header p {
    margin: 0;
    max-width: 68ch;
    color: var(--muted);
}

.metrics-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.dashboard-shell {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.dashboard-sidebar,
.sidebar-stack {
    display: grid;
    gap: 18px;
}

.dashboard-content {
    display: grid;
    gap: 18px;
}

.dashboard-footer {
    display: grid;
    gap: 18px;
}

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.help-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.hero-panel,
.card,
.table-card,
.auth-card,
.empty-card {
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.hero-panel {
    padding: 36px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
    gap: 28px;
    align-items: start;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    background: #eff6ff;
    color: var(--primary-strong);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hero-title {
    margin: 18px 0 14px;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
}

.hero-copy {
    max-width: 64ch;
    color: var(--muted);
    font-size: 1rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 28px;
}

.stat-card,
.note-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--surface-soft);
}

.stat-card {
    padding: 18px 20px;
}

.stat-card strong {
    display: block;
    font-size: 1.5rem;
    letter-spacing: -0.04em;
}

.stat-card span {
    color: var(--muted);
    font-size: 0.92rem;
}

.stat-card p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 0.86rem;
}

.note-card {
    padding: 20px;
}

.note-card h3,
.card h2,
.auth-card h1,
.table-header h2 {
    margin: 0 0 10px;
    letter-spacing: -0.04em;
}

.note-card p,
.card p,
.table-header p,
.auth-card p {
    margin: 0;
    color: var(--muted);
}

.dashboard-layout {
    display: grid;
    grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
    gap: 28px;
}

.card {
    padding: 30px;
}

.section-label {
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-stack {
    display: grid;
    gap: 18px;
    margin-top: 20px;
}

.field-group {
    display: grid;
    gap: 8px;
}

.field-group label {
    font-size: 0.95rem;
    font-weight: 600;
}

.field-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
    gap: 10px;
    align-items: stretch;
}

.field-separator {
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-soft);
    color: var(--primary-strong);
    font-weight: 700;
}

.input,
.select {
    width: 100%;
    min-height: 54px;
    padding: 0 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: white;
    color: var(--ink);
}

.input:focus,
.select:focus {
    outline: none;
    border-color: rgba(37, 99, 235, 0.55);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.button-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.button,
.button-secondary,
.button-danger,
.button-warning {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 16px;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
}

.button {
    background: var(--primary);
    color: white;
}

.button:hover {
    background: var(--primary-strong);
}

.button-secondary {
    background: white;
    border: 1px solid var(--line);
    color: var(--ink);
}

.button-secondary:hover {
    background: var(--surface-soft);
}

.button-danger {
    background: rgba(198, 61, 61, 0.12);
    color: var(--danger);
}

.button-warning {
    background: rgba(194, 122, 18, 0.14);
    color: var(--warning);
}

.recaptcha-shell {
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-soft);
    overflow-x: auto;
}

.recaptcha-shell > div {
    min-width: 304px;
}

.table-card {
    overflow: hidden;
}

.table-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
    padding: 28px 30px 14px;
}

.table-header-copy {
    display: grid;
    gap: 4px;
}

.library-controls {
    padding: 0 30px 18px;
}

.table-meta {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.library-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.library-filter {
    display: grid;
    gap: 14px;
}

.library-filter-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.library-field {
    display: grid;
    gap: 8px;
}

.library-filter-label {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.library-filter-select {
    min-height: 42px;
    border-radius: 12px;
    width: 100%;
}

.library-search-input {
    min-height: 42px;
    border-radius: 12px;
    width: 100%;
}

.library-filter-button {
    min-height: 42px;
}

.table-scroll {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.data-table th,
.data-table td {
    padding: 20px 22px;
    text-align: left;
    border-top: 1px solid #edf2f7;
    vertical-align: middle;
}

.data-table thead th {
    border-top: 0;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.data-table th:nth-child(1),
.data-table td:nth-child(1) {
    width: 18%;
}

.data-table th:nth-child(2),
.data-table td:nth-child(2) {
    width: 10%;
}

.data-table th:nth-child(3),
.data-table td:nth-child(3) {
    width: 40%;
}

.data-table th:nth-child(4),
.data-table td:nth-child(4) {
    width: 14%;
}

.data-table th:nth-child(5),
.data-table td:nth-child(5) {
    width: 18%;
}

.chip,
.status-chip {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 12px;
    border-radius: 999px;
    background: #eff6ff;
    color: var(--primary-strong);
    font-weight: 600;
}

.domain-chip {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-chip.success {
    color: var(--success);
    background: #eefbf3;
}

.status-chip.warning {
    color: var(--warning);
    background: #fff7ed;
}

.domain-table th:nth-child(1),
.domain-table td:nth-child(1) {
    width: 28%;
}

.domain-table th:nth-child(2),
.domain-table td:nth-child(2) {
    width: 44%;
}

.domain-table th:nth-child(3),
.domain-table td:nth-child(3) {
    width: 28%;
}

.status-cell {
    min-width: 0;
}

.status-token {
    display: block;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #fed7aa;
    border-radius: 14px;
    background: #fff7ed;
    color: var(--warning);
    font-family: "Consolas", "Courier New", monospace;
    font-size: 0.82rem;
    line-height: 1.45;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.link-muted {
    color: var(--muted);
    display: inline-block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.word-cloud-card {
    min-height: 100%;
}

.cloud-wrap {
    min-height: 180px;
    display: grid;
    align-items: center;
}

.insights-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    margin-top: 8px;
}

.insight-card {
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: var(--surface-soft);
    display: grid;
    gap: 12px;
}

.insight-card h3 {
    margin: 0;
    letter-spacing: -0.03em;
}

.insight-card p {
    margin: 0;
    color: var(--muted);
}

.insight-card-feature {
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 38%),
        linear-gradient(180deg, #f8fbff, #eef5ff);
}

.leaderboard,
.mini-list,
.domain-bars {
    display: grid;
    gap: 10px;
}

.leaderboard-item,
.mini-list-item {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    background: white;
    border: 1px solid rgba(37, 99, 235, 0.10);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.leaderboard-item:hover,
.mini-list-item:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(18, 32, 51, 0.06);
}

.hover-detail-panel {
    position: absolute;
    left: 50%;
    width: min(320px, calc(100vw - 48px));
    bottom: calc(100% + 10px);
    z-index: 5;
    display: grid;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.96);
    color: white;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.24);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 6px);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.hover-detail-panel::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    width: 12px;
    height: 12px;
    background: rgba(15, 23, 42, 0.96);
    transform: translateX(-50%) rotate(45deg);
}

.hover-detail-row {
    display: grid;
    gap: 4px;
}

.hover-detail-row strong {
    color: #93c5fd;
    font-size: 0.76rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hover-detail-value {
    font-size: 0.82rem;
    line-height: 1.45;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.leaderboard-item:hover .hover-detail-panel,
.leaderboard-item:focus-visible .hover-detail-panel,
.mini-list-item:hover .hover-detail-panel,
.mini-list-item:focus-visible .hover-detail-panel {
    opacity: 1;
    transform: translate(-50%, 0);
}

.leaderboard-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.10);
    color: var(--primary-strong);
    font-size: 0.82rem;
    font-weight: 700;
}

.leaderboard-main,
.mini-list-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.leaderboard-main strong,
.mini-list-copy strong {
    letter-spacing: -0.02em;
}

.leaderboard-main span,
.mini-list-copy span {
    color: var(--muted);
    font-size: 0.84rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.leaderboard-metric,
.mini-list-metric,
.domain-bar-metric {
    color: var(--primary-strong);
    font-size: 0.84rem;
    font-weight: 700;
    white-space: nowrap;
}

.mini-list-metric.positive {
    color: var(--success);
}

.domain-bar-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(110px, 1.2fr) auto;
    align-items: center;
    gap: 12px;
}

.domain-bar-copy {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.domain-bar-copy span {
    color: var(--muted);
    font-size: 0.82rem;
}

.domain-bar-track {
    height: 10px;
    border-radius: 999px;
    background: #dfe9f7;
    overflow: hidden;
}

.domain-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, #60a5fa, #2563eb);
}

.auth-shell {
    min-height: calc(100vh - 168px);
    display: grid;
    place-items: center;
    padding: 36px 0;
}

.auth-card {
    width: min(100%, 560px);
    padding: 36px;
}

.auth-title {
    margin: 0 0 12px;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    letter-spacing: -0.04em;
}

.alert-box {
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid rgba(198, 61, 61, 0.2);
    background: rgba(198, 61, 61, 0.06);
    color: var(--danger);
}

.empty-card {
    padding: 22px;
    color: var(--muted);
}

.inline-actions {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    flex-wrap: nowrap;
}

.inline-action-form,
.inline-actions form {
    display: inline-flex;
    margin: 0;
    flex: 0 0 auto;
}

.inline-actions .button-secondary,
.inline-actions .button-danger,
.inline-actions .button-warning {
    min-height: 38px;
    padding: 0 12px;
    white-space: nowrap;
}

.action-cell {
    white-space: nowrap;
}

.help-list {
    margin: 16px 0 0;
    padding-left: 20px;
    color: var(--ink);
}

.help-list li + li {
    margin-top: 10px;
}

.code-block {
    margin-top: 16px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-soft);
    display: grid;
    gap: 10px;
}

.link-inline {
    color: var(--primary-strong);
    font-weight: 600;
}

@media (max-width: 980px) {
    .hero-grid,
    .dashboard-layout,
    .field-row,
    .help-grid,
    .insights-grid,
    .quick-actions-grid,
    .dashboard-shell,
    .main-layout {
        grid-template-columns: 1fr;
    }

    .hero-stats,
    .metrics-row {
        grid-template-columns: 1fr;
    }

    .table-header {
        align-items: start;
        flex-direction: column;
    }

    .library-controls {
        padding: 0 30px 16px;
    }

    .library-toolbar {
        width: 100%;
        justify-content: space-between;
    }

    .library-filter-grid {
        grid-template-columns: 1fr;
    }

    .inline-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 680px) {
    .site-shell {
        width: min(var(--content-width), calc(100% - 28px));
        padding-top: 20px;
    }

    .site-nav {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-panel,
    .card,
    .auth-card {
        padding: 24px;
    }

    .table-header {
        padding: 24px 24px 10px;
    }

    .library-controls {
        padding: 0 24px 14px;
    }

    .data-table th,
    .data-table td {
        padding: 18px 16px;
    }
}