:root{--bg:#f3efe7;--ink:#21182b;--accent:#6d284f;--accent2:#20152d;--line:#d9cfc0;--card:#fffdf8}*{box-sizing:border-box}body{margin:0;background:linear-gradient(#20152d 0 180px,var(--bg) 180px);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}.topbar{min-height:150px;color:#fff;padding:24px max(18px,calc((100% - 1050px)/2));display:flex;justify-content:space-between;align-items:flex-start}.topbar h1{margin:0;font-size:clamp(26px,6vw,42px)}.topbar p{margin:.3rem 0}.eyebrow{letter-spacing:.18em;font-size:12px;opacity:.75}main{width:min(1050px,calc(100% - 24px));margin:-18px auto 60px}.narrow{width:min(620px,calc(100% - 24px))}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:16px;box-shadow:0 8px 24px #1d13251a}.primary,.ghost,.text-button{border-radius:12px;padding:12px 16px;border:1px solid transparent;font-weight:700}.primary{background:var(--accent);color:#fff}.ghost{background:#fff;color:var(--accent2);border-color:#b9adbd}.text-button{background:transparent}.wide{width:100%}.button-link{text-decoration:none;display:inline-block}.account-actions,.main-nav,.detail-actions{display:grid;gap:10px}.main-nav{grid-template-columns:1fr 1fr;margin-bottom:16px}.notice{color:#675f69;line-height:1.7}.error,.locked{color:#a31f3b;font-weight:700}label{display:grid;gap:6px;margin:14px 0;font-weight:700}input,textarea{width:100%;padding:12px;border:1px solid #bdb4c2;border-radius:10px;background:#fff}.check{display:flex;align-items:center;gap:8px;font-weight:400}.check input{width:auto}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}#map{height:58vh;min-height:420px;border-radius:18px;border:1px solid var(--line);overflow:hidden;margin-bottom:16px}.monument-photo{display:block;width:100%;max-height:340px;object-fit:cover;border-radius:14px}.toolbar{display:flex;justify-content:space-between;align-items:center}.book{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.stamp-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden}.stamp-image-wrap{background:#ece6dc;aspect-ratio:3/4;display:flex;align-items:center;justify-content:center}.stamp-image-wrap img{width:100%;height:100%;object-fit:contain}.stamp-meta{padding:16px}.stamp-meta h3{margin-top:0}.empty{text-align:center;padding:48px 20px}dialog{border:0;border-radius:20px;padding:0;width:min(760px,calc(100% - 20px));max-height:92vh;background:var(--card)}dialog::backdrop{background:#130d1bbd}.dialog-close{position:sticky;top:10px;float:right;margin:10px;z-index:2;border:0;border-radius:50%;width:42px;height:42px;font-size:24px}.detail{padding:20px}.detail-image-wrap img{display:block;width:100%;max-height:70vh;object-fit:contain;background:#eee8df;border-radius:14px}.detail-body{padding-top:12px}.admin-list{display:grid;gap:12px}.admin-list article{display:grid;grid-template-columns:110px 1fr;gap:14px;border-top:1px solid var(--line);padding-top:12px}.admin-list img{width:110px;height:90px;object-fit:cover;border-radius:10px}@media(max-width:600px){.grid2{grid-template-columns:1fr}.topbar{padding-top:18px}.main-nav{position:sticky;top:0;z-index:5;background:var(--bg);padding:8px 0}#map{height:55vh;min-height:360px}}

.success-message{margin:0;color:#166534;font-weight:800;text-align:center}
#map.map-error{display:flex;align-items:center;justify-content:center;background:#eee8df;min-height:240px}#retryMapBtn{margin-top:12px}

/* v1.7 admin monument management */
.admin-monument-item{grid-template-columns:230px 1fr!important;align-items:start;padding:18px 0!important}
.admin-thumbnails{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.admin-thumbnails figure{margin:0}
.admin-thumbnails img{width:100%;height:120px;object-fit:cover;border-radius:10px;background:#ece6dc}
.admin-thumbnails .stamp-thumb{object-fit:contain}
.admin-thumbnails figcaption{font-size:12px;color:#675f69;text-align:center;margin-top:4px}
.admin-monument-body h3{margin:.2rem 0 .5rem}
.admin-monument-body p{overflow-wrap:anywhere}
.admin-url{font-size:13px}
.admin-edit-box{border:1px solid var(--line);border-radius:12px;padding:12px;margin:14px 0;background:#fff}
.admin-edit-box summary{cursor:pointer;font-weight:800;color:var(--accent)}
.admin-edit-box form{padding-top:4px}
.danger{border:1px solid #a31f3b;background:#fff;color:#a31f3b;border-radius:12px;padding:11px 15px;font-weight:800}
.danger:hover{background:#fff1f2}
@media(max-width:700px){.admin-monument-item{grid-template-columns:1fr!important}.admin-thumbnails img{height:150px}}


/* v1.9 user-side acquired stamp deletion */
.stamp-actions{display:grid;gap:10px}
.delete-stamp-btn{margin-top:0}

/* v1.10 complete monument editing */
.monument-full-edit[open]{background:#fffdf8}
.monument-edit-form{padding-top:10px}
.monument-edit-form textarea{resize:vertical}
.stamp-edit-divider{border-top:1px dashed var(--line);margin-top:22px;padding-top:16px}
.stamp-edit-divider h4{margin:0 0 8px;font-size:1rem}
.success-message{color:#166534;font-weight:800}
.error-message{color:#a31f3b!important;font-weight:700}


/* v1.11 */
.detail-delete-spaced{margin-top:20px}
.admin-dashboard{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.admin-stat{padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:center}
.admin-stat strong{display:block;font-size:1.8rem;color:var(--accent)}
.admin-tools{display:grid;grid-template-columns:1fr 220px;gap:12px;align-items:end}
.admin-tools label{margin:0}
.admin-map{height:380px;border-radius:14px;border:1px solid var(--line);margin:14px 0;overflow:hidden}
.admin-backup-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.admin-backup-grid form{border:1px solid var(--line);border-radius:12px;padding:14px}
.admin-list-hidden{display:none!important}
@media(max-width:700px){.admin-dashboard,.admin-tools,.admin-backup-grid{grid-template-columns:1fr}.admin-map{height:300px}}


/* v1.12 promotional YouTube video */
.promo-video-card h2{margin-top:0}
.promo-video-placeholder{min-height:220px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:14px;background:#ece6dc;color:#675f69;font-weight:800;text-align:center;padding:20px}
.promo-video-embed{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:14px;background:#000}
.promo-video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.promo-video-admin button{margin-top:4px}


/* v1.13 public monument list on login screen */
.public-monuments-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.public-monuments-heading h2{margin:.15rem 0 0}
.public-monuments-eyebrow{color:var(--accent);margin:0}
.public-monument-count{flex:0 0 auto;margin:0;padding:8px 13px;border-radius:999px;background:var(--accent2);color:#fff;font-weight:800;white-space:nowrap}
.public-monuments-list{display:grid;gap:12px;margin-top:16px}
.public-monument-item{display:grid;grid-template-columns:120px 1fr;gap:14px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff}
.public-monument-photo{display:block;width:120px;height:100px;object-fit:cover;border-radius:10px;background:#ece6dc}
.public-monument-body{min-width:0}
.public-monument-body h3{margin:2px 0 8px;font-size:1.05rem}
.public-monument-description{margin:0 0 10px;color:#675f69;line-height:1.65;white-space:pre-line;overflow-wrap:anywhere}
.public-monument-link{display:inline-block;color:var(--accent);font-weight:800;text-underline-offset:3px}
@media(max-width:520px){.public-monument-item{grid-template-columns:92px 1fr}.public-monument-photo{width:92px;height:92px}.public-monuments-heading{align-items:center}.public-monument-description{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}}

/* v1.14 public Google Map above monument list */
.public-monuments-map{height:360px;margin:16px 0 6px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#ece6dc}
.public-map-message{margin:0;padding:22px}
.public-map-status{min-height:1.4em;margin:8px 0 0}
.public-monument-item{scroll-margin-top:12px;transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease}
.public-monument-item.is-map-selected{border-color:var(--accent);box-shadow:0 0 0 3px rgba(109,40,79,.16);transform:translateY(-1px)}
@media(max-width:520px){.public-monuments-map{height:290px}}