.newsletter-site-header h1 a {
    color: inherit;
    text-decoration: none;
}

.newsletter-site-header .nav-link.active {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.42);
}

.newsletter-shell {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
    padding: 42px 0 72px;
}

.newsletter-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
    gap: 48px;
    align-items: end;
    padding: 46px;
    border: 1px solid #dfdbe9;
    border-radius: 26px;
    background:
        radial-gradient(circle at 88% 14%, rgba(255, 204, 112, 0.42), transparent 34%),
        linear-gradient(145deg, #fbfaf6 0%, #f1edf8 100%);
    box-shadow: 0 18px 48px rgba(49, 39, 73, 0.08);
}

.newsletter-eyebrow {
    margin: 0 0 14px;
    color: #6b5b8a;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.newsletter-hero h2 {
    margin: 0;
    color: #211b2f;
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.newsletter-intro {
    max-width: 660px;
    margin: 22px 0 0;
    color: #625c6e;
    font-size: 16px;
    line-height: 1.75;
}

.newsletter-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 0;
}

.newsletter-stats div {
    min-width: 0;
    padding: 18px 14px;
    border: 1px solid rgba(74, 62, 101, 0.12);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.66);
}

.newsletter-stats dt {
    margin-bottom: 8px;
    color: #756d80;
    font-size: 11px;
    font-weight: 700;
}

.newsletter-stats dd {
    overflow: hidden;
    margin: 0;
    color: #302640;
    font-size: 20px;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.newsletter-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 190px 180px 220px;
    gap: 14px;
    margin-top: 34px;
}

.newsletter-toolbar label {
    display: grid;
    gap: 8px;
    color: #625b6b;
    font-size: 12px;
    font-weight: 800;
}

.newsletter-toolbar input,
.newsletter-toolbar select {
    width: 100%;
    min-height: 50px;
    padding: 0 16px;
    border: 1px solid #d9d4e1;
    border-radius: 13px;
    background: #fff;
    color: #272130;
    font: inherit;
    font-size: 14px;
    outline: none;
}

.newsletter-toolbar input:focus,
.newsletter-toolbar select:focus {
    border-color: #5e4a86;
    box-shadow: 0 0 0 3px rgba(94, 74, 134, 0.12);
}

.newsletter-source-strip {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 20px 0 8px;
    scrollbar-width: thin;
}

.newsletter-source-chip {
    flex: 0 0 auto;
    padding: 8px 12px;
    border: 1px solid #ddd7e6;
    border-radius: 999px;
    background: #f9f7fb;
    color: #594d69;
    font-size: 12px;
    font-weight: 700;
}

.newsletter-source-chip[data-error="true"]::after {
    content: " · 확인 지연";
    color: #a44b38;
}

.newsletter-status {
    margin: 26px 0 14px;
    color: #726a79;
    font-size: 13px;
}

.newsletter-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.newsletter-card {
    display: flex;
    min-height: 244px;
    flex-direction: column;
    padding: 26px;
    border: 1px solid #e1dde6;
    border-radius: 20px;
    background: #fff;
    color: inherit;
    text-decoration: none;
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.newsletter-card:hover {
    transform: translateY(-3px);
    border-color: #a99bbb;
    box-shadow: 0 16px 38px rgba(47, 37, 64, 0.09);
}

.newsletter-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.newsletter-card-source {
    overflow: hidden;
    color: #5f4b7c;
    font-size: 12px;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.newsletter-card-category {
    flex: 0 0 auto;
    padding: 5px 9px;
    border-radius: 999px;
    background: #f1edf7;
    color: #67577d;
    font-size: 11px;
    font-weight: 800;
}

.newsletter-card h3 {
    margin: 23px 0 12px;
    color: #221c2b;
    font-size: 21px;
    line-height: 1.38;
    letter-spacing: -0.025em;
}

.newsletter-card-summary {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    color: #68616f;
    font-size: 14px;
    line-height: 1.65;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.newsletter-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: auto;
    padding-top: 22px;
    color: #817988;
    font-size: 12px;
}

.newsletter-open-label {
    color: #4f3d6b;
    font-weight: 800;
}

.newsletter-empty,
.newsletter-error {
    grid-column: 1 / -1;
    padding: 54px 20px;
    border: 1px dashed #cbc3d5;
    border-radius: 18px;
    background: #faf8fc;
    color: #6c6374;
    text-align: center;
}

@media (max-width: 800px) {
    .newsletter-shell {
        width: min(100% - 24px, 680px);
        padding-top: 22px;
    }

    .newsletter-hero {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 30px 24px;
        border-radius: 20px;
    }

    .newsletter-list {
        grid-template-columns: 1fr;
    }

    .newsletter-toolbar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .newsletter-search,
    .newsletter-source-filter {
        grid-column: 1 / -1;
    }

    .newsletter-card {
        min-height: 220px;
        padding: 22px;
    }
}

@media (max-width: 480px) {
    .newsletter-toolbar {
        grid-template-columns: 1fr;
    }

    .newsletter-toolbar label {
        grid-column: auto;
    }

    .newsletter-stats {
        grid-template-columns: 1fr 1fr;
    }

    .newsletter-stats div:last-child {
        grid-column: 1 / -1;
    }

    .newsletter-hero h2 {
        font-size: 36px;
    }
}

@media (prefers-color-scheme: dark) {
    .newsletter-hero {
        border-color: #403952;
        background:
            radial-gradient(circle at 88% 14%, rgba(147, 104, 39, 0.34), transparent 34%),
            linear-gradient(145deg, #242033 0%, #2b263c 100%);
    }

    .newsletter-hero h2,
    .newsletter-card h3 {
        color: #f0ecf7;
    }

    .newsletter-eyebrow,
    .newsletter-card-source,
    .newsletter-open-label {
        color: #c6b1e4;
    }

    .newsletter-intro,
    .newsletter-card-summary,
    .newsletter-status {
        color: #c4bdca;
    }

    .newsletter-stats div,
    .newsletter-toolbar input,
    .newsletter-toolbar select,
    .newsletter-card {
        border-color: #494157;
        background: #252132;
        color: #ece7f1;
    }

    .newsletter-stats dt,
    .newsletter-card-footer,
    .newsletter-toolbar label {
        color: #aaa1b1;
    }

    .newsletter-stats dd {
        color: #f1edf7;
    }

    .newsletter-source-chip,
    .newsletter-card-category {
        border-color: #4a4257;
        background: #302a3d;
        color: #d2c5e3;
    }

    .newsletter-empty,
    .newsletter-error {
        border-color: #50475e;
        background: #252132;
        color: #bdb5c5;
    }
}

@media (prefers-reduced-motion: reduce) {
    .newsletter-card {
        transition: none;
    }
}