@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,500&display=swap');

:root{
  --bg-deep:#1b140f;
  --bg-deep-2:#251a12;
  --wood:#3f2a1c;
  --wood-light:#5a3c27;
  --wood-dark:#281a10;
  --brass:#b8934f;
  --brass-light:#e0bd7a;
  --cream:#ece1c8;
  --cream-dim:#b7a88c;
  --rr-1:#7c2233; --rr-2:#932c40; --rr-3:#671b28; --rr-4:#a63a4d;
  --wm-1:#155e52; --wm-2:#1d7568;
  --fw-1:#4a2f7a; --fw-2:#603b98;
  --fallback-1:#8a5a1e; --fallback-2:#1e4a7a; --fallback-3:#5c1e5c; --fallback-4:#2e6b3e;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(ellipse at 50% -10%, #2c2016 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
  font-family:'EB Garamond', serif;
  color:var(--cream);
  min-height:100vh;
  padding:40px 20px 80px;
}

.library{max-width:900px;margin:0 auto;}

header{text-align:center;margin-bottom:32px;position:relative;}
.eyebrow{
  font-size:12px;letter-spacing:0.32em;text-transform:uppercase;
  color:var(--brass-light);margin:0 0 10px;font-weight:600;
}
h1{
  font-family:'Playfair Display',serif;font-weight:800;
  font-size:clamp(32px,6vw,52px);margin:0;color:var(--cream);
  letter-spacing:0.01em;
}
.sub{color:var(--cream-dim);font-size:17px;margin:10px 0 26px;font-style:italic;}

.hidden{display:none !important;}

.menu-btn{
  position:fixed;top:16px;left:16px;z-index:30;
  display:flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;
  background:#241a10;border:1px solid #4a3420;color:var(--cream);
  cursor:pointer;padding:0;
}
.menu-btn:hover{border-color:var(--brass);color:var(--brass-light);}
.menu-btn svg{width:18px;height:18px;}

.toc-overlay{
  position:fixed;inset:0;background:transparent;
  pointer-events:none;z-index:44;
}
.toc-overlay.open{pointer-events:auto;}

.toc-panel{
  position:fixed;top:0;left:0;bottom:0;width:270px;max-width:80vw;
  background:linear-gradient(180deg,#241a12,#1a120b);
  border-right:1px solid #4a3420;box-shadow:8px 0 24px rgba(0,0,0,0.5);
  transform:translateX(-100%);transition:transform .25s ease;
  z-index:45;display:flex;flex-direction:column;padding:20px 0;
}
.toc-panel.open{transform:translateX(0);}
.toc-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px 16px;border-bottom:1px solid #3a281a;margin-bottom:8px;
  font-family:'Playfair Display',serif;font-size:15px;letter-spacing:0.08em;
  text-transform:uppercase;color:var(--brass-light);
}
.toc-close{background:none;border:none;color:var(--cream-dim);font-size:20px;cursor:pointer;line-height:1;padding:0;}
.toc-close:hover{color:var(--cream);}
.toc-list{list-style:none;margin:0;padding:4px 0;overflow-y:auto;}
.toc-item{
  display:block;width:100%;text-align:left;background:none;border:none;
  color:var(--cream-dim);font-family:'EB Garamond',serif;font-size:15px;
  padding:9px 20px;cursor:pointer;border-left:3px solid transparent;
  transition:all .15s ease;
}
.toc-item:hover{color:var(--cream);background:rgba(255,255,255,0.03);}
.toc-item.active{color:var(--brass-light);border-left-color:var(--brass);background:rgba(184,147,79,0.08);font-weight:600;}
.toc-empty{padding:10px 20px;color:var(--cream-dim);font-style:italic;font-size:14px;}

.book-detail-overlay{
  position:fixed;inset:0;background:transparent;pointer-events:none;z-index:46;
}
.book-detail-overlay.open{pointer-events:auto;}

.book-detail-panel{
  position:fixed;top:0;left:0;bottom:0;width:420px;max-width:90vw;
  background:linear-gradient(180deg,#2b1f15,#1e150e);
  border-right:1px solid #4a3420;box-shadow:8px 0 24px rgba(0,0,0,0.5);
  transform:translateX(-100%);transition:transform .25s ease;
  z-index:47;overflow-y:auto;padding:28px 24px;
}
.book-detail-panel.open{transform:translateX(0);}
.book-detail-panel .detail-card{
  max-width:none;margin:0;background:none;border:none;box-shadow:none;padding:0;
}
.book-detail-panel .detail-card::before{display:none;}

.auth-bar{
  position:fixed;top:16px;right:16px;z-index:30;
  display:flex;justify-content:flex-end;align-items:center;gap:10px;
}
.google-btn{
  display:inline-flex;align-items:center;gap:10px;
  background:#f5efe2;color:#2b1f15;border:none;padding:9px 18px 9px 14px;border-radius:20px;
  font-family:'EB Garamond',serif;font-size:15px;font-weight:600;cursor:pointer;
  box-shadow:0 4px 10px rgba(0,0,0,0.35);transition:transform .15s ease;
}
.google-btn:hover{transform:translateY(-1px);}

.login-hint-wrap{position:relative;}
.login-hint{
  position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%);
  width:210px;
  background:#f5efe2;color:#241a10;padding:12px 26px 12px 16px;border-radius:12px;
  border:2px solid var(--brass);
  font-family:'EB Garamond',serif;font-weight:700;font-size:15px;line-height:1.4;
  box-shadow:0 8px 20px rgba(0,0,0,0.45);text-align:center;
  animation:hint-float 2s ease-in-out infinite;
}
.login-hint::before{
  content:'';position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  border-left:10px solid transparent;border-right:10px solid transparent;
  border-bottom:10px solid var(--brass);
}
.login-hint::after{
  content:'';position:absolute;top:-8px;left:50%;transform:translateX(-50%);
  border-left:8px solid transparent;border-right:8px solid transparent;
  border-bottom:8px solid #f5efe2;
}
.login-hint-close{
  position:absolute;top:4px;right:6px;background:none;border:none;
  color:#241a10;opacity:0.55;font-size:16px;line-height:1;cursor:pointer;padding:3px;
}
.login-hint-close:hover{opacity:1;}

@keyframes hint-float{
  0%, 100% { transform:translateX(-50%) translateY(0); }
  50% { transform:translateX(-50%) translateY(-7px); }
}

.user-chip{position:relative;}
.user-chip-trigger{
  display:flex;align-items:center;justify-content:center;gap:8px;background:#241a10;border:1px solid #4a3420;
  border-radius:24px;padding:5px 16px;cursor:pointer;font-family:'EB Garamond',serif;
}
.user-chip-trigger:hover{border-color:var(--brass);}
.user-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover;background:#4a3420;}
.chip-name{font-size:15px;color:var(--cream);line-height:1;}

.profile-panel{
  position:absolute;top:calc(100% + 8px);right:0;width:220px;
  background:#211710;border:1px solid #4a3420;border-radius:10px;
  padding:18px;box-shadow:0 12px 24px rgba(0,0,0,0.5);text-align:center;z-index:35;
}
.profile-avatar-large{width:56px;height:56px;border-radius:50%;object-fit:cover;background:#4a3420;margin:0 auto 10px;display:block;}
.profile-display-name{margin:0;font-family:'Playfair Display',serif;font-size:16px;color:var(--cream);}
.profile-username{margin:2px 0 8px;color:var(--brass-light);font-size:14px;}
.profile-meta{margin:0 0 14px;color:var(--cream-dim);font-size:12px;font-style:italic;}
.profile-actions{display:flex;flex-direction:column;gap:8px;}
.profile-actions .manage-btn{width:100%;}

.header-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;}

.add-btn{
  background:linear-gradient(180deg,var(--brass-light),var(--brass));
  color:#251a10;border:none;padding:11px 24px;border-radius:3px;
  font-family:'EB Garamond',serif;font-size:16px;font-weight:600;
  letter-spacing:0.03em;cursor:pointer;
  box-shadow:0 2px 0 #6b4f26, 0 6px 14px rgba(0,0,0,0.4);
  transition:transform .15s ease, box-shadow .15s ease;
}
.add-btn:hover{transform:translateY(-1px);box-shadow:0 3px 0 #6b4f26,0 8px 18px rgba(0,0,0,0.45);}
.add-btn:active{transform:translateY(1px);box-shadow:0 1px 0 #6b4f26;}

.manage-btn{
  background:none;border:1px solid #4a3420;color:var(--cream-dim);
  padding:10px 20px;border-radius:3px;cursor:pointer;
  font-family:'EB Garamond',serif;font-size:15px;letter-spacing:0.02em;
  transition:all .15s ease;
}
.manage-btn:hover{border-color:var(--brass);color:var(--cream);}

.filter-bar{
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:26px 0 40px;
}

.user-search-box-wrap{position:relative;}
.auth-bar .user-search-box{width:200px;}
.user-search-results{
  position:absolute;top:calc(100% + 6px);right:0;
  width:240px;background:#211710;border:1px solid #4a3420;border-radius:8px;
  box-shadow:0 12px 24px rgba(0,0,0,0.5);overflow:hidden;z-index:40;
}
.user-search-empty{margin:0;padding:12px 14px;color:var(--cream-dim);font-style:italic;font-size:14px;}
.user-search-item{
  display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;
  padding:9px 14px;cursor:pointer;text-align:left;color:var(--cream);font-family:'EB Garamond',serif;font-size:15px;
}
.user-search-item:hover{background:#2b1f15;}
.user-search-item img{width:24px;height:24px;border-radius:50%;object-fit:cover;background:#4a3420;}
.user-search-avatar-fallback{width:24px;height:24px;border-radius:50%;background:#4a3420;display:inline-block;}
.user-search-item em{font-style:normal;color:var(--cream-dim);margin-left:4px;}

.viewing-banner{
  text-align:center;color:var(--brass-light);font-size:13px;letter-spacing:0.08em;
  text-transform:uppercase;margin:14px 0 -8px;
}

.detail-readonly-row{margin:14px 0 0;font-size:15px;color:var(--cream);}
.detail-readonly-row .rating-label{margin-right:8px;}
.detail-notes-readonly{margin:0;color:var(--cream);font-size:15px;line-height:1.5;white-space:pre-wrap;}

.search-row{display:flex;justify-content:center;margin-top:24px;}
.search-box{
  position:relative;width:100%;max-width:380px;
}
.search-box svg{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--cream-dim);pointer-events:none;
}
.search-box input{
  width:100%;background:#1a120b;border:1px solid #4a3420;border-radius:20px;
  color:var(--cream);font-family:'EB Garamond',serif;font-size:15px;
  padding:9px 16px 9px 38px;
}
.search-box input:focus{outline:1px solid var(--brass-light);}
.search-box input::placeholder{color:var(--cream-dim);}
.search-box .clear-btn{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--cream-dim);cursor:pointer;
  font-size:18px;line-height:1;padding:2px 6px;display:none;
}
.search-box .clear-btn.show{display:block;}
.search-box .clear-btn:hover{color:var(--cream);}
.filter-pill{
  background:#241a10;border:1px solid #4a3420;color:var(--cream-dim);
  padding:6px 16px;border-radius:20px;font-size:14px;letter-spacing:0.02em;
  cursor:pointer;font-family:'EB Garamond',serif;transition:all .15s ease;
}
.filter-pill:hover{border-color:var(--brass);color:var(--cream);}
.filter-pill.active{
  background:linear-gradient(180deg,var(--brass-light),var(--brass));
  color:#251a10;border-color:var(--brass);font-weight:600;
}

#shelves{display:flex;flex-direction:column;gap:8px;}

.shelf-group{position:relative;}
.shelf-label{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:14px;cursor:pointer;padding:4px;border-radius:6px;}
.shelf-label:hover .plate{background:linear-gradient(180deg,#3a2818,#291c0f);border-color:var(--brass);color:var(--brass-light);}
.plate{
  background:linear-gradient(180deg,#2a1c12,#1c1209);
  border:1px solid #52381f;
  color:var(--brass-light);
  padding:6px 22px;border-radius:2px;
  font-size:13px;letter-spacing:0.18em;text-transform:uppercase;
  font-weight:600;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.05), 0 3px 6px rgba(0,0,0,0.4);
  transition:background .15s ease, border-color .15s ease, color .15s ease;
}
.cat-tag{
  font-size:11px;letter-spacing:0.1em;text-transform:uppercase;
  color:var(--cream-dim);border:1px solid #4a3420;border-radius:12px;
  padding:2px 12px;background:rgba(0,0,0,0.2);
}
.cat-tags{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;}

.cat-toggle-list{display:flex;flex-wrap:wrap;gap:8px;}
.cat-toggle{
  background:#241a10;border:1px solid #4a3420;color:var(--cream-dim);
  padding:6px 14px;border-radius:16px;font-size:14px;letter-spacing:0.02em;
  cursor:pointer;font-family:'EB Garamond',serif;transition:all .15s ease;
}
.cat-toggle:hover{border-color:var(--brass);color:var(--cream);}
.cat-toggle.active{
  background:linear-gradient(180deg,var(--brass-light),var(--brass));
  color:#251a10;border-color:var(--brass);font-weight:600;
}
.cat-toggle:disabled{opacity:0.55;cursor:not-allowed;}
.cat-toggle-empty{color:var(--cream-dim);font-style:italic;font-size:14px;margin:0;}

.shelf-row{
  display:flex;align-items:flex-end;justify-content:center;
  gap:3px;flex-wrap:wrap;padding:0 14px 0;min-height:200px;position:relative;
}

.bookend{
  width:14px;height:150px;align-self:flex-end;
  background:linear-gradient(180deg,var(--brass-light),var(--brass) 60%,#8a6a35);
  border-radius:3px 3px 1px 1px;
  box-shadow:0 4px 8px rgba(0,0,0,0.5);
}

.spine{
  height:190px;border-radius:4px 4px 2px 2px;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  padding:14px 0 10px;cursor:pointer;position:relative;
  box-shadow:inset -6px 0 10px rgba(0,0,0,0.25), inset 3px 0 4px rgba(255,255,255,0.08), 0 6px 10px rgba(0,0,0,0.35);
  transition:transform .18s ease, box-shadow .18s ease;
  border-top:2px solid rgba(255,255,255,0.15);
}
.spine:hover{transform:translateY(-8px);box-shadow:inset -6px 0 10px rgba(0,0,0,0.25), inset 3px 0 4px rgba(255,255,255,0.1), 0 12px 18px rgba(0,0,0,0.5);}
.spine.selected{transform:translateY(-10px);}

.spine-title{
  writing-mode:vertical-rl;text-orientation:mixed;
  font-family:'Playfair Display',serif;font-weight:700;
  font-size:15px;color:var(--cream);letter-spacing:0.01em;
  max-height:140px;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,0.4);
}

.spine-badge{
  width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,var(--brass-light),var(--brass));
  color:#241a0e;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-family:'EB Garamond',serif;box-shadow:0 1px 3px rgba(0,0,0,0.5);
}

.spine-stars{display:flex;gap:1px;}
.spine-stars svg{width:8px;height:8px;}

.shelf-plank{
  height:26px;margin-top:-2px;border-radius:2px;
  background:linear-gradient(180deg,var(--wood-light) 0%,var(--wood) 45%,var(--wood-dark) 100%);
  box-shadow:0 8px 14px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.06);
  position:relative;margin-bottom:38px;
}
.shelf-plank::after{
  content:'';position:absolute;left:0;right:0;top:100%;height:10px;
  background:linear-gradient(180deg, rgba(0,0,0,0.35), transparent);
}

.detail-card{
  max-width:620px;margin:-14px auto 30px;
  background:linear-gradient(180deg,#2b1f15,#211710);
  border:1px solid #4a3420;border-radius:6px;
  padding:24px 28px;box-shadow:0 16px 30px rgba(0,0,0,0.5);
  position:relative;
}
.detail-card::before{
  content:'';position:absolute;top:0;left:24px;right:24px;height:3px;
  background:linear-gradient(90deg,transparent,var(--brass),transparent);
}
.detail-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;}
.detail-title{font-family:'Playfair Display',serif;font-size:24px;font-weight:700;margin:0 0 4px;color:var(--cream);}
.detail-meta{color:var(--cream-dim);font-size:15px;font-style:italic;margin:0 0 14px;}
.close-x{
  background:none;border:none;color:var(--cream-dim);font-size:22px;
  cursor:pointer;line-height:1;padding:2px;
}
.close-x:hover{color:var(--cream);}

.rating-row{display:flex;align-items:center;gap:10px;margin:14px 0;}
.rating-label{font-size:13px;letter-spacing:0.1em;text-transform:uppercase;color:var(--brass-light);}
.stars{display:flex;gap:4px;}
.star-btn{background:none;border:none;cursor:pointer;padding:0;}
.stars svg{width:22px;height:22px;transition:transform .1s ease;}
.star-btn:hover svg{transform:scale(1.15);}

label.field{display:block;margin-top:14px;}
label.field span{display:block;font-size:13px;letter-spacing:0.08em;text-transform:uppercase;color:var(--brass-light);margin-bottom:6px;}
label.field small{display:block;color:var(--cream-dim);font-size:12px;font-style:italic;margin-top:4px;}
textarea, input[type=date], select{
  width:100%;background:#1a120b;border:1px solid #4a3420;border-radius:4px;
  color:var(--cream);font-family:'EB Garamond',serif;font-size:16px;padding:9px 11px;
  resize:vertical;
}
select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%23e0bd7a'><path d='M5 7l5 5 5-5z'/></svg>");
  background-repeat:no-repeat;background-position:right 10px center;padding-right:32px;
}
select:disabled{opacity:0.55;cursor:not-allowed;}
textarea:focus, input:focus, select:focus{outline:1px solid var(--brass-light);}

.detail-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}
.btn-ghost{
  background:none;border:1px solid #4a3420;color:var(--cream-dim);
  padding:8px 16px;border-radius:4px;cursor:pointer;font-family:'EB Garamond',serif;font-size:15px;
}
.btn-ghost:hover{border-color:#7a4a4a;color:#d98a8a;}

.empty-msg{text-align:center;color:var(--cream-dim);font-style:italic;padding:60px 20px;}

/* modal */
.modal-overlay{
  position:fixed;inset:0;background:rgba(10,7,4,0.72);
  display:flex;align-items:center;justify-content:center;z-index:50;
  padding:20px;
}
.modal-overlay.hidden{display:none;}
.modal{
  background:linear-gradient(180deg,#2b1f15,#1e150e);
  border:1px solid #4a3420;border-radius:8px;
  padding:28px 30px;max-width:440px;width:100%;
  box-shadow:0 24px 50px rgba(0,0,0,0.6);
  max-height:88vh;overflow-y:auto;
}
.modal h2{font-family:'Playfair Display',serif;margin:0 0 18px;color:var(--cream);font-size:24px;}
.modal input[type=text], .modal input[type=number]{
  width:100%;background:#1a120b;border:1px solid #4a3420;border-radius:4px;
  color:var(--cream);font-family:'EB Garamond',serif;font-size:16px;padding:9px 11px;
}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;}
.btn-primary{
  background:linear-gradient(180deg,var(--brass-light),var(--brass));
  color:#251a10;border:none;padding:9px 20px;border-radius:4px;
  font-family:'EB Garamond',serif;font-size:15px;font-weight:600;cursor:pointer;
}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;}

/* category management */
.cat-chip-list{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px;}
.cat-chip{
  display:flex;align-items:center;gap:8px;
  background:#241a10;border:1px solid #4a3420;border-radius:16px;
  padding:5px 8px 5px 14px;font-size:14px;color:var(--cream);
}
.cat-chip button{
  background:none;border:none;color:#c98080;cursor:pointer;
  font-size:15px;line-height:1;padding:0 4px;
}
.cat-chip button:hover{color:#ff9a9a;}
.add-cat-row{display:flex;gap:8px;margin-top:6px;}
.add-cat-row input{flex:1;}

.toast{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%);
  background:#251a10;border:1px solid var(--brass);color:var(--cream);
  padding:9px 18px;border-radius:5px;font-size:14px;opacity:0;
  transition:opacity .3s ease;pointer-events:none;z-index:80;
}
.toast.show{opacity:1;}

@media (max-width:600px){
  .spine{height:150px;}
  .spine-title{font-size:12px;max-height:100px;}
  .bookend{height:120px;}

  .auth-bar{top:10px;right:10px;justify-content:flex-end;}
  .auth-bar .user-search-box{width:120px;}
  .user-search-results{width:200px;}
  .google-btn span{display:none;}
  .google-btn{padding:9px;border-radius:50%;}
  .user-chip-trigger .chip-name{display:none;}
  .user-chip-trigger{padding:5px;}
  .profile-panel{width:190px;right:-4px;}
  .login-hint{width:170px;font-size:13px;}
}