/* ============================================================
   THE OWNER'S SUITE
   Private literary archive — Galena House
   ============================================================ */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}

:root{
  --os-ivory: #F1E9D8;
  --os-ivory-soft: rgba(241,233,216,.55);
  --os-bone: #EAE2CE;
  --os-espresso: #1A120B;
  --os-espresso-deep: #120C07;
  --os-espresso-warm: #1A1512;
  --os-charcoal: #282320;
  --os-drift: #635A52;
  --os-ash: #928680;
  --os-fog: #A7B3BB;
  --os-amber: #B0843F;
  --os-gold: #C9A23F;
  --os-olive: #727468;
  --os-serif: 'Cormorant Garamond', Georgia, serif;
  --os-sans: 'Jost', system-ui, sans-serif;
}

html{scroll-behavior:smooth;}

body{
  background: var(--os-espresso);
  color: var(--os-ivory);
  font-family: var(--os-sans);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

body::after{
  content:'';position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events:none;z-index:9000;mix-blend-mode:overlay;opacity:.4;
}

a{color:inherit;text-decoration:none;}

/* ============================================================
   LOGIN GATE
   ============================================================ */

.os-gate{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  background:var(--os-espresso-deep);
}
.os-gate-inner{
  text-align:center;max-width:380px;padding:2rem;
  opacity:0;animation:os-fade-up 1.4s cubic-bezier(.22,.61,.36,1) .3s forwards;
}
.os-gate-sigil{
  color:var(--os-gold);opacity:.25;margin-bottom:2.5rem;
}
.os-gate-eyebrow{
  font-family:var(--os-sans);font-size:.5rem;letter-spacing:.5em;
  text-transform:uppercase;color:var(--os-gold);opacity:.45;margin-bottom:1rem;
}
.os-gate-title{
  font-family:var(--os-serif);font-size:clamp(1.8rem,4.5vw,2.6rem);
  font-weight:300;font-style:italic;color:var(--os-ivory);
  line-height:1.15;margin-bottom:.6rem;
}
.os-gate-sub{
  font-family:var(--os-serif);font-size:.92rem;font-weight:300;
  font-style:italic;color:var(--os-drift);margin-bottom:3rem;
}
.os-gate-form{
  display:flex;max-width:300px;margin:0 auto;
}
.os-gate-form input{
  flex:1;background:rgba(241,233,216,.03);
  border:1px solid rgba(241,233,216,.08);border-right:none;
  color:var(--os-ivory);font-family:var(--os-sans);font-size:.82rem;
  font-weight:300;padding:.9rem 1.1rem;outline:none;
  letter-spacing:.08em;
  transition:border-color .4s;
}
.os-gate-form input::placeholder{
  color:var(--os-drift);opacity:.5;letter-spacing:.06em;
}
.os-gate-form input:focus{border-color:rgba(196,149,48,.3);}
.os-gate-form button{
  background:rgba(196,149,48,.06);border:1px solid rgba(196,149,48,.18);
  color:var(--os-gold);font-family:var(--os-sans);font-size:.55rem;
  font-weight:400;letter-spacing:.22em;text-transform:uppercase;
  padding:.9rem 1.6rem;cursor:pointer;transition:all .4s;
  white-space:nowrap;
}
.os-gate-form button:hover{
  background:rgba(196,149,48,.14);border-color:rgba(196,149,48,.35);
}
.os-gate-error{
  font-family:var(--os-sans);font-size:.74rem;color:#c25050;
  margin-top:1.2rem;min-height:1.2rem;opacity:.8;
}

/* ============================================================
   SUITE LAYOUT
   ============================================================ */

.os-suite{
  max-width:1100px;margin:0 auto;
  padding:3rem 2.5rem 4rem;
  position:relative;z-index:1;
}

.os-header{
  text-align:center;
  padding:2rem 0 3.5rem;
  border-bottom:1px solid rgba(176,125,26,.08);
  margin-bottom:3rem;
}
.os-header-mark{
  font-family:var(--os-sans);font-size:.5rem;letter-spacing:.5em;
  text-transform:uppercase;color:var(--os-gold);opacity:.35;
  margin-bottom:1rem;
}
.os-header-title{
  font-family:var(--os-serif);font-size:clamp(2rem,5vw,2.8rem);
  font-weight:300;font-style:italic;color:var(--os-ivory);
  line-height:1.15;margin-bottom:.5rem;
}
.os-header-sub{
  font-family:var(--os-serif);font-size:1rem;font-weight:300;
  font-style:italic;color:var(--os-drift);
}

/* ============================================================
   ENTRANCE CARDS
   ============================================================ */

.os-entrances{
  display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;
  margin-bottom:4rem;
}
.os-entrance{
  background:var(--os-espresso-warm);
  border:1px solid rgba(241,233,216,.04);
  padding:2.5rem 2rem;
  text-align:center;
  transition:all .5s cubic-bezier(.22,.61,.36,1);
  cursor:pointer;
  position:relative;
  overflow:hidden;
}
.os-entrance::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(176,125,26,.02),rgba(176,125,26,.06));
  opacity:0;transition:opacity .5s;
}
.os-entrance:hover{
  border-color:rgba(196,149,48,.15);
  transform:translateY(-2px);
}
.os-entrance:hover::before{opacity:1;}
.os-entrance-icon{
  color:var(--os-gold);opacity:.3;margin-bottom:1.5rem;
  position:relative;z-index:1;
}
.os-entrance-title{
  font-family:var(--os-serif);font-size:1.3rem;font-weight:400;
  font-style:italic;color:var(--os-ivory);margin-bottom:.4rem;
  position:relative;z-index:1;
}
.os-entrance-sub{
  font-family:var(--os-sans);font-size:.72rem;font-weight:300;
  color:var(--os-drift);position:relative;z-index:1;
}
.os-entrance-arrow{
  display:inline-block;margin-top:1.2rem;
  font-family:var(--os-sans);font-size:.54rem;font-weight:400;
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--os-gold);opacity:.4;
  transition:opacity .4s;position:relative;z-index:1;
}
.os-entrance:hover .os-entrance-arrow{opacity:.8;}

/* ============================================================
   LIBRARY
   ============================================================ */

.os-library{
  border-top:1px solid rgba(176,125,26,.08);
  padding-top:3rem;
}
.os-library-header{
  display:flex;align-items:flex-end;justify-content:space-between;
  margin-bottom:2rem;flex-wrap:wrap;gap:1rem;
}
.os-library-title{
  font-family:var(--os-serif);font-size:clamp(1.4rem,3vw,1.8rem);
  font-weight:300;font-style:italic;color:var(--os-ivory);
}
.os-library-count{
  font-family:var(--os-sans);font-size:.68rem;font-weight:300;
  color:var(--os-drift);
}

.os-search{
  display:flex;max-width:400px;width:100%;margin-bottom:1.8rem;
}
.os-search input{
  flex:1;background:rgba(241,233,216,.03);
  border:1px solid rgba(241,233,216,.07);
  color:var(--os-ivory);font-family:var(--os-sans);font-size:.82rem;
  font-weight:300;padding:.75rem 1rem;outline:none;
  transition:border-color .3s;
}
.os-search input::placeholder{color:var(--os-drift);opacity:.5;}
.os-search input:focus{border-color:rgba(196,149,48,.3);}

.os-categories{
  display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:2rem;
}
.os-cat-btn{
  background:none;border:1px solid rgba(241,233,216,.06);
  color:var(--os-ash);font-family:var(--os-sans);font-size:.56rem;
  font-weight:400;letter-spacing:.12em;text-transform:uppercase;
  padding:.4rem .85rem;cursor:pointer;transition:all .3s;
}
.os-cat-btn:hover{border-color:rgba(241,233,216,.18);color:var(--os-ivory);}
.os-cat-btn.active{
  border-color:rgba(196,149,48,.25);color:var(--os-gold);
  background:rgba(196,149,48,.05);
}

/* ============================================================
   FILE GRID
   ============================================================ */

.os-file-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:1px;
  background:rgba(176,125,26,.03);
}
.os-file{
  background:var(--os-espresso-warm);
  padding:0;overflow:hidden;
  transition:background .3s;
  cursor:pointer;
  position:relative;
}
.os-file:hover{background:var(--os-charcoal);}
.os-file-thumb{
  width:100%;aspect-ratio:4/3;
  background:rgba(241,233,216,.02);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;position:relative;
}
.os-file-thumb img{
  width:100%;height:100%;object-fit:cover;
  opacity:.85;transition:opacity .4s,transform .6s;
}
.os-file:hover .os-file-thumb img{opacity:1;transform:scale(1.03);}
.os-file-thumb-icon{
  color:var(--os-drift);opacity:.3;
}
.os-file-info{
  padding:.8rem 1rem;
  border-top:1px solid rgba(241,233,216,.03);
}
.os-file-name{
  font-family:var(--os-serif);font-size:.88rem;font-weight:400;
  font-style:italic;color:var(--os-ivory);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  margin-bottom:.15rem;
}
.os-file-meta{
  font-family:var(--os-sans);font-size:.58rem;font-weight:300;
  color:var(--os-drift);display:flex;justify-content:space-between;
}
.os-file-cat{
  font-family:var(--os-sans);font-size:.48rem;font-weight:400;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--os-gold);opacity:.45;
}

/* Empty state */
.os-empty{
  grid-column:1/-1;
  font-family:var(--os-serif);font-size:1rem;font-style:italic;
  color:var(--os-drift);padding:3rem 0;text-align:center;
}

/* ============================================================
   FILE DETAIL OVERLAY
   ============================================================ */

.os-detail-overlay{
  position:fixed;inset:0;z-index:2000;
  background:rgba(16,12,9,.94);backdrop-filter:blur(16px);
  display:flex;align-items:center;justify-content:center;
  padding:2rem;opacity:0;pointer-events:none;
  transition:opacity .4s;
}
.os-detail-overlay.show{opacity:1;pointer-events:auto;}
.os-detail-inner{
  max-width:780px;width:100%;max-height:90vh;
  display:flex;flex-direction:column;
  background:var(--os-espresso-warm);
  border:1px solid rgba(241,233,216,.05);
}
.os-detail-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 1.5rem;
  border-bottom:1px solid rgba(241,233,216,.04);
}
.os-detail-title{
  font-family:var(--os-serif);font-size:1.1rem;font-weight:400;
  font-style:italic;color:var(--os-ivory);
}
.os-detail-close{
  background:none;border:none;color:var(--os-ash);font-size:1.3rem;
  cursor:pointer;padding:.2rem .5rem;transition:color .3s;
}
.os-detail-close:hover{color:var(--os-ivory);}
.os-detail-body{
  flex:1;overflow:auto;display:flex;flex-direction:column;
  align-items:center;padding:2rem;
}
.os-detail-preview{
  max-width:100%;max-height:60vh;object-fit:contain;
  margin-bottom:1.5rem;
}
.os-detail-preview-doc{
  font-family:var(--os-serif);font-size:1.1rem;font-style:italic;
  color:var(--os-drift);padding:3rem 0;
}
.os-detail-meta{
  width:100%;display:grid;grid-template-columns:auto 1fr;gap:.4rem 1.2rem;
  font-family:var(--os-sans);font-size:.74rem;font-weight:300;
}
.os-detail-label{
  color:var(--os-ash);text-align:right;
}
.os-detail-value{
  color:var(--os-ivory);word-break:break-all;
}
.os-detail-tags{
  display:flex;gap:.3rem;flex-wrap:wrap;margin-top:.2rem;
}
.os-detail-tag{
  font-size:.54rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--os-gold);opacity:.5;border:1px solid rgba(196,149,48,.12);
  padding:.15rem .5rem;
}
.os-detail-actions{
  padding:1rem 1.5rem;border-top:1px solid rgba(241,233,216,.04);
  display:flex;gap:.5rem;justify-content:flex-end;
}
.os-detail-btn{
  background:none;border:1px solid rgba(241,233,216,.1);
  color:var(--os-ash);font-family:var(--os-sans);font-size:.58rem;
  font-weight:400;letter-spacing:.14em;text-transform:uppercase;
  padding:.5rem 1rem;cursor:pointer;transition:all .3s;
}
.os-detail-btn:hover{border-color:rgba(241,233,216,.25);color:var(--os-ivory);}

/* ============================================================
   FOOTER
   ============================================================ */

.os-footer{
  text-align:center;padding:3rem 0 2rem;
  border-top:1px solid rgba(176,125,26,.06);
  margin-top:3rem;
}
.os-footer-link{
  font-family:var(--os-sans);font-size:.64rem;font-weight:300;
  color:var(--os-drift);opacity:.5;transition:opacity .3s;
}
.os-footer-link:hover{opacity:.8;}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes os-fade-up{
  from{opacity:0;transform:translateY(24px);}
  to{opacity:1;transform:none;}
}

.os-reveal{
  opacity:0;transform:translateY(16px);
  animation:os-fade-up .8s cubic-bezier(.22,.61,.36,1) forwards;
}
.os-reveal-1{animation-delay:.1s;}
.os-reveal-2{animation-delay:.2s;}
.os-reveal-3{animation-delay:.35s;}
.os-reveal-4{animation-delay:.5s;}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media(max-width:768px){
  .os-suite{padding:2rem 1.2rem 3rem;}
  .os-entrances{grid-template-columns:1fr;}
  .os-file-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));}
  .os-library-header{flex-direction:column;align-items:flex-start;}
  .os-detail-inner{max-height:95vh;}
  .os-detail-body{padding:1.5rem 1rem;}
}

@media(max-width:480px){
  .os-gate-form{flex-direction:column;gap:0;}
  .os-gate-form input{border-right:1px solid rgba(241,233,216,.08);border-bottom:none;}
  .os-gate-form button{padding:1rem;}
  .os-file-grid{grid-template-columns:1fr 1fr;}
}