* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f7f5f0;
    color: #1f2933;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

body.gate-active {
    overflow: hidden;
}

body.gate-active .site-header,
body.gate-active .gallery {
    -webkit-filter: blur(10px);
    filter: blur(10px);
    pointer-events: none;
    user-select: none;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: 0;
    border-radius: 8px;
    background: #1f2933;
    color: #fff;
    cursor: pointer;
    padding: 10px 14px;
}

button:hover {
    background: #111827;
}

.site-header {
    padding: 28px min(5vw, 56px) 18px;
}

.eyebrow {
    margin: 0 0 6px;
    color: #8a6f4d;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(28px, 5vw, 54px);
    line-height: 1.1;
}

.entry-gate {
    align-items: center;
    background: rgba(17, 24, 39, 0.46);
    display: flex;
    inset: 0;
    justify-content: center;
    min-height: 100vh;
    min-height: 100dvh;
    overflow: auto;
    padding: 24px;
    position: fixed;
    -webkit-overflow-scrolling: touch;
    z-index: 1000;
}

.entry-gate[hidden] {
    display: none;
}

.entry-gate-card {
    background: #fff;
    border: 2px solid #d92d20;
    border-radius: 8px;
    box-shadow: 0 24px 80px rgba(17, 24, 39, 0.28);
    max-width: 620px;
    padding: clamp(22px, 5vw, 38px);
    text-align: center;
    width: min(100%, 620px);
}

.entry-gate-card strong {
    color: #b42318;
    display: block;
    font-size: clamp(26px, 5vw, 42px);
    margin-bottom: 14px;
}

.entry-gate-card p {
    color: #b42318;
    font-size: clamp(17px, 3vw, 24px);
    font-weight: 800;
    line-height: 1.7;
    margin: 0 0 24px;
}

.entry-gate-card button {
    background: #d92d20;
    font-size: 18px;
    font-weight: 800;
    min-width: 180px;
    min-height: 48px;
    padding: 13px 22px;
    touch-action: manipulation;
}

.entry-gate-card button:hover {
    background: #b42318;
}

.gallery {
    display: grid;
    gap: 34px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 auto;
    max-width: 1280px;
    padding: 12px min(5vw, 56px) 60px;
}

.rule-board {
    background: #fff1f1;
    border: 2px solid #d92d20;
    border-radius: 8px;
    box-shadow: 0 16px 36px rgba(185, 28, 28, 0.14);
    padding: 18px 20px;
    grid-column: 1 / -1;
}

.rule-board strong {
    color: #b42318;
    display: block;
    font-size: 22px;
    margin-bottom: 6px;
}

.rule-board p {
    color: #b42318;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.7;
    margin: 0;
}

.rule-board .limit-message {
    color: #9b1c1c;
    font-weight: 700;
    margin-top: 6px;
}

.photo-card {
    background: #fff;
    border: 1px solid #e4ded3;
    border-radius: 8px;
    padding: clamp(12px, 2vw, 20px);
    box-shadow: 0 16px 44px rgba(31, 41, 51, 0.08);
}

.frame {
    aspect-ratio: 3 / 2;
    background: #fff;
    border: 1px solid #d9d0c2;
    display: grid;
    overflow: hidden;
    place-items: center;
    text-decoration: none;
}

.frame img {
    display: block;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    user-select: none;
    width: 100%;
}

a.frame {
    cursor: zoom-in;
}

.photo-tools {
    align-items: center;
    display: grid;
    gap: 14px;
    grid-template-columns: minmax(110px, 150px) 1fr;
    padding-top: 16px;
}

.reaction-box {
    border-right: 1px solid #e7e0d6;
}

.reaction-box strong {
    display: block;
    font-size: 26px;
}

.reaction-box span {
    color: #6b7280;
    font-size: 13px;
}

.reaction-form {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(120px, 1fr));
}

.reaction-form button {
    background: #f0ebe3;
    color: #2d3742;
    font-weight: 700;
    padding: 13px 0;
}

.reaction-form button:hover {
    background: #d8c7ad;
}

.comment-form {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

textarea,
input {
    border: 1px solid #d8d1c6;
    border-radius: 8px;
    outline: none;
    padding: 11px 12px;
    width: 100%;
}

textarea:focus,
input:focus {
    border-color: #98784e;
}

.comments {
    border-top: 1px solid #eee7dd;
    display: grid;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
}

.comments p {
    margin: 0;
    line-height: 1.7;
}

.comments span {
    color: #8a6f4d;
    font-weight: 700;
    margin-right: 8px;
}

.empty-state,
.install-panel,
.admin-shell {
    margin: 40px auto;
    max-width: 960px;
    padding: 0 min(5vw, 48px);
}

.empty-state {
    background: #fff;
    border: 1px dashed #d4c8b6;
    border-radius: 8px;
    grid-column: 1 / -1;
    padding-bottom: 36px;
    padding-top: 36px;
}

.admin-page {
    background: #f4f6f8;
}

.admin-header {
    align-items: center;
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.admin-header a {
    color: #8a1f1f;
    text-decoration: none;
}

.form-card,
.upload-panel,
.admin-item {
    background: #fff;
    border: 1px solid #dfe4ea;
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(31, 41, 51, 0.06);
}

.form-card {
    display: grid;
    gap: 16px;
    max-width: 520px;
    padding: 22px;
}

.form-card label {
    color: #4b5563;
    display: grid;
    gap: 8px;
}

.notice {
    border-radius: 8px;
    margin: 16px 0;
    padding: 12px 14px;
}

.notice.error {
    background: #fde8e8;
    color: #9b1c1c;
}

.notice.success {
    background: #e6f7ec;
    color: #116329;
}

.config-output {
    min-height: 260px;
}

.upload-panel {
    align-items: center;
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr auto;
    margin-bottom: 22px;
    padding: 18px;
}

.upload-box {
    align-items: center;
    border: 1px dashed #b9c2cd;
    border-radius: 8px;
    color: #4b5563;
    cursor: pointer;
    display: grid;
    gap: 8px;
    min-height: 80px;
    padding: 18px;
}

.archive-panel,
.danger-panel,
.archive-history {
    background: #fff;
    border: 1px solid #dfe4ea;
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(31, 41, 51, 0.06);
    margin-bottom: 22px;
    padding: 18px;
}

.archive-panel,
.danger-panel {
    align-items: center;
    display: grid;
    gap: 14px;
    grid-template-columns: 1fr auto;
}

.archive-panel h2,
.danger-panel h2,
.archive-history h2 {
    font-size: 18px;
    margin: 0 0 8px;
}

.archive-panel p,
.danger-panel p {
    color: #6b7280;
    line-height: 1.7;
    margin: 0;
}

.archive-panel .danger,
.danger-panel .danger {
    background: #9b1c1c;
}

.archive-history {
    display: grid;
    gap: 8px;
}

.archive-history p {
    align-items: center;
    border-top: 1px solid #edf0f3;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin: 0;
    padding-top: 8px;
}

.archive-history p:first-of-type {
    border-top: 0;
    padding-top: 0;
}

.archive-history span {
    color: #8a6f4d;
    font-weight: 700;
}

.reaction-rankings {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 22px;
}

.reaction-rankings > div {
    background: #fff;
    border: 1px solid #dfe4ea;
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(31, 41, 51, 0.06);
    padding: 16px;
}

.reaction-rankings h2 {
    font-size: 18px;
    margin: 0 0 12px;
}

.reaction-rankings p {
    color: #6b7280;
    margin: 0;
}

.reaction-rankings a {
    align-items: center;
    border-top: 1px solid #edf0f3;
    color: #1f2933;
    display: grid;
    gap: 10px;
    grid-template-columns: 64px 1fr auto;
    padding: 10px 0;
    text-decoration: none;
}

.reaction-rankings a:first-of-type {
    border-top: 0;
}

.reaction-rankings img {
    aspect-ratio: 3 / 2;
    border: 1px solid #e0d8cd;
    object-fit: cover;
    width: 64px;
}

.reaction-rankings strong {
    color: #8a6f4d;
}

.admin-list {
    display: grid;
    gap: 14px;
}

.admin-item {
    display: grid;
    gap: 16px;
    grid-template-columns: 180px 1fr;
    padding: 14px;
}

.admin-item img {
    aspect-ratio: 3 / 2;
    border: 1px solid #e0d8cd;
    object-fit: cover;
    width: 100%;
}

.admin-item p {
    color: #6b7280;
    margin: 6px 0 12px;
    word-break: break-all;
}

.admin-actions,
.admin-actions form {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.admin-actions button {
    background: #eef2f7;
    color: #1f2933;
}

.admin-actions .danger {
    background: #9b1c1c;
    color: #fff;
}

.admin-comments {
    border-top: 1px solid #e5e7eb;
    display: grid;
    gap: 8px;
    margin-top: 14px;
    padding-top: 12px;
}

.admin-comments form {
    align-items: center;
    display: grid;
    gap: 8px;
    grid-template-columns: 1fr auto;
}

.admin-comments button {
    background: #f1f5f9;
    color: #8a1f1f;
}

.viewer-page {
    background: #111827;
}

.viewer {
    display: grid;
    gap: 14px;
    grid-template-rows: auto 1fr;
    margin: 0 auto;
    max-width: 1280px;
    min-height: 100vh;
    padding: 20px;
    cursor: zoom-out;
}

.viewer-stage {
    align-items: center;
    cursor: default;
    display: flex;
    height: calc(100vh - 94px);
    justify-content: center;
    overflow: auto;
    width: 100%;
}

.viewer-stage img {
    display: block;
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transform-origin: center center;
    transition: transform 160ms ease;
}

.viewer-toolbar {
    display: flex;
    gap: 8px;
    justify-self: center;
}

.viewer-toolbar button {
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    padding: 9px 14px;
}

.viewer-toolbar button:hover {
    background: rgba(255, 255, 255, 0.22);
}

.viewer img {
    cursor: default;
}

.back-link {
    align-items: center;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    font-weight: 700;
    gap: 8px;
    justify-self: start;
    padding: 10px 16px;
    position: absolute;
    top: 20px;
    left: 20px;
    text-decoration: none;
}

.back-link::before {
    content: "<";
    font-size: 18px;
    line-height: 1;
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.22);
}

.missing-original {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: #fff;
    max-width: 620px;
    padding: 28px;
}

.missing-original h1 {
    font-size: 28px;
    margin: 0 0 12px;
}

.missing-original p {
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 720px) {
    .entry-gate {
        align-items: flex-start;
        padding: 18px;
        padding-top: max(48px, env(safe-area-inset-top));
    }

    .entry-gate-card {
        width: 100%;
    }

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

    .photo-tools,
    .upload-panel,
    .archive-panel,
    .danger-panel,
    .admin-item,
    .admin-comments form {
        grid-template-columns: 1fr;
    }

    .reaction-box {
        border-right: 0;
        border-bottom: 1px solid #e7e0d6;
        padding-bottom: 12px;
    }

    .reaction-form,
    .reaction-rankings {
        grid-template-columns: 1fr;
    }

    .admin-header {
        align-items: flex-start;
        gap: 12px;
        flex-direction: column;
    }
}