:root{
  --paper:#F1E8D0; --paper-line:#E3D6B0; --ink:#2B2520; --ink-soft:#5C5142;
  --green:#1F3D2E; --green-deep:#16302A; --red:#A53F2B; --gold:#B8923C;
}
*{box-sizing:border-box;}
body{
  margin:0; color:var(--ink); background:var(--paper);
  background-image:repeating-linear-gradient(var(--paper), var(--paper) 27px, var(--paper-line) 28px);
  font-family:'Lora', serif;
}
h1,h2,h3{font-family:'Playfair Display', serif; font-weight:700; margin:0;}
.mono{font-family:'IBM Plex Mono', monospace;}
.hidden{display:none !important;}
.muted{color:var(--ink-soft);}
.small{font-size:0.8rem;}
input{
  font-family:'Lora', serif; background:transparent; border:none;
  border-bottom:1px solid var(--paper-line); padding:8px 2px; width:100%; font-size:0.95rem; color:var(--ink);
}
input:focus{outline:none; border-bottom-color:var(--green);}
button{cursor:pointer; font-family:'IBM Plex Mono', monospace; border:none;}
.error-text{color:var(--red); font-size:0.85rem; font-family:'Lora', serif;}

/* Gate */
.gate{min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--green); padding:20px;}
.gate-card{width:100%; max-width:380px; background:var(--paper); border:1px solid var(--gold); padding:28px;}
.gate-lock{display:flex; align-items:center; gap:8px; color:var(--gold); font-family:'IBM Plex Mono', monospace; font-size:0.75rem; letter-spacing:0.3em; text-transform:uppercase; margin-bottom:14px;}
.gate-card h1{font-size:1.5rem; margin-bottom:8px;}
.gate-card p.muted{margin:0 0 20px;}
.field-label{display:block; font-family:'IBM Plex Mono', monospace; font-size:0.7rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--ink-soft); margin-bottom:6px;}
#gate-code{text-transform:uppercase; letter-spacing:0.15em;}
.gate-card button{width:100%; background:var(--red); color:var(--paper); padding:12px; margin-top:16px; font-size:0.85rem;}
.gate-card .small{margin-top:14px;}

/* Spine header */
.spine{position:relative; background:linear-gradient(135deg, var(--green), var(--green-deep)); padding:30px 24px 36px;}
.spine-holes{position:absolute; left:14px; top:24px; bottom:24px; display:flex; flex-direction:column; justify-content:space-evenly;}
.spine-holes span{display:block; width:10px; height:10px; border-radius:50%; background:var(--paper); opacity:0.85; margin:6px 0;}
.spine-text{max-width:900px; margin:0 auto; padding-left:34px;}
.eyebrow{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; letter-spacing:0.3em; text-transform:uppercase; color:var(--gold); margin:0 0 6px;}
.spine-text h1{font-size:2rem; color:var(--paper);}
.tagline{color:var(--paper); opacity:0.85; margin-top:8px;}
.switch-btn{position:absolute; top:20px; right:20px; color:var(--gold); font-size:0.75rem; background:none;}

main{max-width:1000px; margin:0 auto; padding:28px 20px 100px;}
.search-row{display:flex; align-items:center; gap:8px; margin-bottom:24px;}
.search-row input{font-size:0.95rem;}
.loading, .empty{text-align:center; padding:60px 0; color:var(--ink-soft); font-family:'IBM Plex Mono', monospace; font-size:0.9rem;}
.empty h3{font-size:1.3rem; margin-bottom:8px;}

.grid{display:grid; grid-template-columns:1fr; gap:22px;}
@media(min-width:620px){ .grid{grid-template-columns:1fr 1fr;} }
@media(min-width:920px){ .grid{grid-template-columns:1fr 1fr 1fr;} }

.card{background:#FBF7EC; border:1px solid var(--paper-line); padding:16px; text-align:left; cursor:pointer;}
.card.mine{border-color:var(--gold);}
.card-top{display:flex; justify-content:space-between; align-items:center; margin-bottom:10px;}
.card-no{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--gold);}
.card-you{font-family:'IBM Plex Mono', monospace; font-size:0.65rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--red);}
.photo-pair{display:flex; gap:10px; margin-bottom:10px;}
.photo-frame{flex:1; display:flex; flex-direction:column; align-items:center;}
.photo-frame img, .photo-frame .ph-empty{width:100%; aspect-ratio:1/1; object-fit:cover; background:#fff; border:1px solid var(--paper-line);}
.photo-frame .ph-empty{display:flex; align-items:center; justify-content:center; color:var(--paper-line); font-size:1.6rem;}
.photo-label{font-family:'IBM Plex Mono', monospace; font-size:0.65rem; letter-spacing:0.15em; text-transform:uppercase; color:var(--red); margin-top:4px;}
.card h3{font-size:1.1rem; line-height:1.2;}
.card .meta{font-family:'IBM Plex Mono', monospace; font-size:0.75rem; color:var(--ink-soft); margin-top:4px;}
.card .looking{font-size:0.8rem; color:var(--red); margin-top:8px;}

.fab{position:fixed; bottom:22px; right:22px; background:var(--red); color:var(--paper); padding:14px 20px; font-size:0.85rem; box-shadow:0 4px 14px rgba(0,0,0,0.25);}

.modal-overlay{position:fixed; inset:0; background:rgba(0,0,0,0.5); display:flex; align-items:center; justify-content:center; padding:16px; z-index:50;}
.modal{position:relative; width:100%; max-width:440px; max-height:90vh; overflow-y:auto; background:var(--paper); border:1px solid var(--paper-line); padding:26px;}
.modal-close{position:absolute; top:14px; right:14px; background:none; font-size:1.4rem; color:var(--ink-soft); line-height:1;}
.modal h2{font-size:1.3rem; margin-bottom:16px;}

.field{margin-bottom:14px;}
.field label{display:block; font-family:'IBM Plex Mono', monospace; font-size:0.7rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--ink-soft); margin-bottom:6px;}
.photo-row{display:flex; align-items:center; gap:12px;}
.photo-thumb{width:64px; height:64px; object-fit:cover; background:#fff; border:1px solid var(--paper-line);}
.file-btn{cursor:pointer; font-family:'IBM Plex Mono', monospace; font-size:0.85rem; padding:8px 12px; border:1px solid var(--ink); color:var(--ink);}

#edit-submit, .primary-btn{width:100%; background:var(--green); color:var(--paper); padding:12px; margin-top:6px; font-size:0.85rem;}

.detail-photos{display:flex; gap:14px; margin-bottom:18px;}
.detail-row{display:flex; align-items:center; gap:8px; font-size:0.9rem; margin-bottom:8px;}
.detail-row .ico{color:var(--ink-soft);}
.looking-line{color:var(--red); margin-top:8px;}
.modal-actions{display:flex; gap:10px; margin-top:18px;}
.btn-outline{padding:8px 14px; border:1px solid var(--ink); background:none; font-size:0.8rem; color:var(--ink);}
.btn-fill{padding:8px 14px; background:var(--red); color:var(--paper); font-size:0.8rem;}

.link-btn{background:none; padding:0;}