[hidden] {
    display: none !important;
}

:root {
    --detail-primary: #1769e0;
    --detail-primary-dark: #0f4fb3;
    --detail-primary-soft: #eef5ff;
    --detail-text: #172033;
    --detail-muted: #657086;
    --detail-border: #e3e8f0;
    --detail-background: #f5f7fb;
    --detail-card: #ffffff;
    --detail-up: #e53935;
    --detail-down: #1769e0;
    --detail-neutral: #6b7280;
    --detail-shadow: 0 8px 24px rgba(30, 49, 84, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--detail-background);
    color: var(--detail-text);
    font-family: 'Noto Sans KR', sans-serif;
}

button,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.detail-page {
    min-height: 100vh;
}

.detail-topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 58px;
    padding: 10px max(20px, calc((100% - 1180px) / 2));
    border-bottom: 1px solid rgba(227, 232, 240, 0.9);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
}

.back-button,
.home-link,
.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 14px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.back-button,
.home-link,
.secondary-button {
    border: 1px solid var(--detail-border);
    background: #fff;
    color: var(--detail-text);
}

.primary-button {
    border: 1px solid var(--detail-primary);
    background: var(--detail-primary);
    color: #fff;
}

.back-button:hover,
.home-link:hover,
.secondary-button:hover,
.primary-button:hover {
    transform: translateY(-1px);
}

.back-button:hover,
.home-link:hover,
.secondary-button:hover {
    border-color: #b9c7dc;
    background: #f8fafc;
}

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

.detail-container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 30px 0 56px;
}

.apartment-hero {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
    padding: 30px;
    border: 1px solid var(--detail-border);
    border-radius: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #eef5ff 100%);
    box-shadow: var(--detail-shadow);
}

.eyebrow,
.section-kicker {
    margin: 0 0 7px;
    color: var(--detail-primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.apartment-heading h1 {
    margin: 0;
    font-size: clamp(26px, 3.4vw, 40px);
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.apartment-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 14px;
    color: var(--detail-muted);
    font-size: 14px;
}

.apartment-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.hero-actions {
    display: flex;
    flex-shrink: 0;
    gap: 10px;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.summary-card {
    min-height: 145px;
    padding: 22px;
    border: 1px solid var(--detail-border);
    border-radius: 16px;
    background: var(--detail-card);
    box-shadow: 0 4px 14px rgba(30, 49, 84, 0.05);
}

.summary-card-primary {
    border-color: rgba(23, 105, 224, 0.35);
    background: linear-gradient(145deg, #1769e0, #2d7feb);
    color: #fff;
}

.summary-label {
    display: block;
    margin-bottom: 13px;
    color: var(--detail-muted);
    font-size: 13px;
    font-weight: 600;
}

.summary-card-primary .summary-label,
.summary-card-primary .summary-subtext {
    color: rgba(255, 255, 255, 0.82);
}

.summary-value {
    display: block;
    min-height: 36px;
    font-size: clamp(22px, 2.3vw, 29px);
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.summary-value-small {
    font-size: clamp(17px, 1.65vw, 21px);
    line-height: 1.45;
}

.summary-subtext {
    display: block;
    margin-top: 10px;
    color: var(--detail-muted);
    font-size: 12px;
    line-height: 1.5;
}

.price-up {
    color: var(--detail-up);
}

.price-down {
    color: var(--detail-down);
}

.price-neutral {
    color: var(--detail-neutral);
}

.comparison-notice {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 15px 18px;
    border: 1px solid var(--detail-border);
    border-radius: 13px;
    background: #fff;
    font-size: 14px;
}

.comparison-notice p {
    margin: 0;
}

.comparison-up {
    border-color: rgba(229, 57, 53, 0.2);
    background: #fff6f5;
    color: #b42318;
}

.comparison-down {
    border-color: rgba(23, 105, 224, 0.2);
    background: #f3f7ff;
    color: #1454b5;
}

.comparison-neutral {
    color: var(--detail-neutral);
}

.detail-card {
    margin-bottom: 18px;
    padding: 26px;
    border: 1px solid var(--detail-border);
    border-radius: 18px;
    background: var(--detail-card);
    box-shadow: var(--detail-shadow);
}

.section-heading {
    margin-bottom: 20px;
}

.section-heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
}

.section-heading h2 {
    margin: 0;
    font-size: 22px;
    line-height: 1.35;
    letter-spacing: -0.035em;
}

.section-description {
    margin: 7px 0 0;
    color: var(--detail-muted);
    font-size: 13px;
    line-height: 1.55;
}

.area-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    padding-bottom: 2px;
    overflow-x: auto;
    scrollbar-width: thin;
}

.area-button,
.period-button {
    flex: 0 0 auto;
    border: 1px solid var(--detail-border);
    border-radius: 999px;
    background: #fff;
    color: var(--detail-muted);
    font-weight: 600;
    cursor: pointer;
}

.area-button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 8px 14px;
}

.area-button span {
    font-size: 11px;
    font-weight: 500;
    opacity: 0.75;
}

.area-button.is-active,
.period-button.is-active {
    border-color: var(--detail-primary);
    background: var(--detail-primary);
    color: #fff;
}

.area-stat-panel {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.area-stat-item {
    padding: 16px;
    border: 1px solid #edf0f5;
    border-radius: 12px;
    background: #fafbfd;
}

.area-stat-item span {
    display: block;
    margin-bottom: 8px;
    color: var(--detail-muted);
    font-size: 12px;
}

.area-stat-item strong {
    display: block;
    font-size: 17px;
    line-height: 1.4;
}

.area-stat-highlight {
    border-color: rgba(23, 105, 224, 0.2);
    background: var(--detail-primary-soft);
}

.period-filter {
    display: flex;
    gap: 7px;
}

.period-button {
    min-width: 58px;
    min-height: 36px;
    padding: 7px 12px;
}

.chart-wrapper {
    position: relative;
    height: 360px;
}

.chart-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

.transaction-heading {
    align-items: center;
}

.sort-control {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--detail-muted);
    font-size: 13px;
    font-weight: 600;
}

.sort-control select {
    min-height: 40px;
    padding: 8px 34px 8px 12px;
    border: 1px solid var(--detail-border);
    border-radius: 9px;
    background: #fff;
    color: var(--detail-text);
    cursor: pointer;
}

.transaction-table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.transaction-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.transaction-table th {
    padding: 13px 14px;
    border-top: 1px solid var(--detail-border);
    border-bottom: 1px solid var(--detail-border);
    background: #f8fafc;
    color: var(--detail-muted);
    font-size: 12px;
    font-weight: 700;
    text-align: left;
}

.transaction-table td {
    padding: 15px 14px;
    border-bottom: 1px solid #edf0f5;
    color: #3e485b;
    font-size: 14px;
}

.transaction-table tbody tr:hover {
    background: #fafcff;
}

.transaction-price-cell {
    color: var(--detail-primary) !important;
    font-weight: 700;
}

.comparison-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 68px;
    padding: 5px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}

.comparison-badge.up {
    background: #fff0ee;
    color: #c62828;
}

.comparison-badge.down {
    background: #eef5ff;
    color: #1558bd;
}

.comparison-badge.neutral {
    background: #f1f3f6;
    color: #687386;
}

.mobile-transaction-list {
    display: none;
}

.load-more-button {
    display: block;
    width: 100%;
    min-height: 44px;
    margin-top: 18px;
    border: 1px solid var(--detail-border);
    border-radius: 11px;
    background: #f8fafc;
    color: var(--detail-text);
    font-weight: 700;
    cursor: pointer;
}

.load-more-button:hover {
    border-color: #b9c7dc;
    background: #f2f6fc;
}

.nearby-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.nearby-card {
    display: block;
    min-width: 0;
    padding: 17px;
    border: 1px solid var(--detail-border);
    border-radius: 13px;
    background: #fff;
    color: var(--detail-text);
    text-decoration: none;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.nearby-card:hover {
    transform: translateY(-2px);
    border-color: rgba(23, 105, 224, 0.4);
    box-shadow: 0 8px 20px rgba(30, 49, 84, 0.09);
}

.nearby-card-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
}

.nearby-card-heading strong {
    min-width: 0;
    overflow: hidden;
    font-size: 15px;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nearby-card-heading span {
    flex-shrink: 0;
    color: var(--detail-muted);
    font-size: 11px;
}

.nearby-card p {
    margin: 7px 0 12px;
    overflow: hidden;
    color: var(--detail-muted);
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nearby-card-price {
    margin-bottom: 9px;
    color: var(--detail-primary);
    font-size: 18px;
    font-weight: 700;
}

.nearby-card-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
    color: var(--detail-muted);
    font-size: 11px;
}

.empty-state {
    display: flex;
    min-height: 150px;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--detail-muted);
    font-size: 14px;
    text-align: center;
}

.data-notice {
    margin: 24px 0 0;
    color: #7a8497;
    font-size: 11px;
    line-height: 1.65;
    text-align: center;
}

.detail-loading,
.detail-error {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 30px;
    color: var(--detail-muted);
    text-align: center;
}

.detail-loading-spinner {
    width: 42px;
    height: 42px;
    margin-bottom: 16px;
    border: 4px solid #dbe6f6;
    border-top-color: var(--detail-primary);
    border-radius: 50%;
    animation: detail-spin 0.8s linear infinite;
}

.detail-error i {
    margin-bottom: 14px;
    color: #d64545;
    font-size: 42px;
}

.detail-error h1 {
    margin: 0 0 8px;
    color: var(--detail-text);
    font-size: 23px;
}

.detail-error p {
    margin: 0 0 20px;
}

.detail-toast {
    position: fixed;
    left: 50%;
    bottom: 28px;
    z-index: 100;
    transform: translateX(-50%);
    min-width: 220px;
    max-width: calc(100% - 32px);
    padding: 12px 18px;
    border-radius: 10px;
    background: #172033;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 10px 30px rgba(23, 32, 51, 0.25);
}

.detail-toast.error {
    background: #b42318;
}

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

@media (max-width: 980px) {
    .summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .area-stat-panel,
    .nearby-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .detail-topbar {
        min-height: 54px;
        padding: 8px 14px;
    }

    .detail-topbar span {
        display: none;
    }

    .back-button,
    .home-link {
        min-width: 40px;
        padding: 8px 11px;
    }

    .detail-container {
        width: min(100% - 20px, 1180px);
        padding: 14px 0 38px;
    }

    .apartment-hero {
        align-items: stretch;
        flex-direction: column;
        padding: 22px 18px;
        border-radius: 16px;
    }

    .apartment-heading h1 {
        font-size: 27px;
    }

    .apartment-meta {
        flex-direction: column;
        gap: 7px;
    }

    .hero-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .summary-grid {
        gap: 9px;
    }

    .summary-card {
        min-height: 132px;
        padding: 17px;
        border-radius: 13px;
    }

    .summary-value {
        font-size: 22px;
    }

    .summary-value-small {
        font-size: 16px;
    }

    .detail-card {
        padding: 20px 16px;
        border-radius: 15px;
    }

    .section-heading-row,
    .transaction-heading {
        align-items: stretch;
        flex-direction: column;
        gap: 14px;
    }

    .period-filter {
        align-self: flex-start;
    }

    .sort-control {
        justify-content: space-between;
    }

    .sort-control select {
        flex: 1;
        max-width: 190px;
    }

    .area-stat-panel {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .chart-wrapper {
        height: 300px;
    }

    .transaction-table-wrapper {
        display: none;
    }

    .mobile-transaction-list {
        display: grid;
        gap: 10px;
    }

    .transaction-mobile-card {
        padding: 15px;
        border: 1px solid var(--detail-border);
        border-radius: 12px;
        background: #fff;
    }

    .transaction-mobile-top,
    .transaction-mobile-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }

    .transaction-mobile-top {
        margin-bottom: 10px;
        color: var(--detail-muted);
        font-size: 12px;
    }

    .transaction-mobile-card > strong {
        display: block;
        margin-bottom: 8px;
        color: var(--detail-primary);
        font-size: 20px;
    }

    .transaction-mobile-meta {
        color: #586276;
        font-size: 12px;
    }

    .nearby-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 430px) {
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .summary-card {
        min-height: 0;
    }

    .area-stat-panel {
        grid-template-columns: 1fr 1fr;
    }

    .area-stat-item {
        padding: 13px;
    }

    .area-stat-item strong {
        font-size: 14px;
    }
}