:root {
  --bg: #f5ede0; --bg2: #fdf8f2; --bg3: #efe6d6; --bg4: #e6dac8;
  --gold: #9a6820; --gold2: #b87d28; --gold3: #d4a050;
  --rust: #9b3a2a; --sage: #3a5e32;
  --text: #2a1f0e; --text2: #5a4530; --text3: #8a7060;
  --border: #d8c8b0; --border2: #c8b49a;
  --radius: 4px; --shadow: 0 4px 24px rgba(80,50,10,0.13);
}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:var(--bg);color:var(--text);font-family:'Crimson Pro',Georgia,serif;font-size:17px;line-height:1.6;min-height:100vh;overflow-x:hidden;}
.hidden{display:none!important;}

/* AUTH */
#auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,#f5ede0,#ede0c4);}
.auth-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:32px 24px;width:100%;max-width:400px;box-shadow:var(--shadow);}
.auth-logo{text-align:center;margin-bottom:24px;}
.auth-logo img{width:80px;height:80px;border-radius:12px;margin-bottom:12px;}
.auth-logo h1{font-family:'Playfair Display',serif;font-size:28px;color:var(--gold2);}
.auth-logo p{color:var(--text3);font-size:15px;}
.auth-tabs{display:flex;background:var(--bg3);border-radius:8px;padding:4px;margin-bottom:20px;gap:4px;}
.auth-tabs button{flex:1;background:none;border:none;color:var(--text2);padding:8px;border-radius:6px;font-family:'Crimson Pro',serif;font-size:15px;cursor:pointer;transition:all .2s;}
.auth-tabs button.active{background:var(--bg2);color:var(--gold);font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.08);}
.auth-error{background:#fde;border:1px solid var(--rust);color:var(--rust);padding:8px 12px;border-radius:var(--radius);font-size:14px;margin-bottom:12px;}
.w-full{width:100%;}

/* HEADER */
header{background:linear-gradient(180deg,#ede2ce,var(--bg2));border-bottom:1px solid var(--border2);padding:0 16px;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(80,50,10,.1);}
.header-inner{max-width:900px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:56px;}
.logo{font-family:'Playfair Display',serif;font-size:20px;color:var(--gold2);display:flex;align-items:center;gap:8px;}
.logo img{width:28px;height:28px;border-radius:6px;}
.header-stats{display:flex;gap:16px;font-size:13px;color:var(--text3);}
.header-stat span{color:var(--gold);font-weight:600;}
.btn-icon{background:var(--bg3);border:1px solid var(--border2);color:var(--text2);width:34px;height:34px;border-radius:var(--radius);cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;}

/* NAV */
.nav-tabs{background:var(--bg2);border-bottom:1px solid var(--border);display:flex;overflow-x:auto;scrollbar-width:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs button{background:none;border:none;color:var(--text3);padding:11px 18px;font-family:'Crimson Pro',serif;font-size:14px;cursor:pointer;white-space:nowrap;border-bottom:2px solid transparent;transition:all .2s;}
.nav-tabs button.active{color:var(--gold2);border-bottom-color:var(--gold);}

/* MAIN */
main{max-width:900px;margin:0 auto;padding:20px 16px;}

/* TOOLBAR */
.toolbar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;align-items:center;}
.search-wrap{flex:1;min-width:180px;position:relative;}
.search-wrap input{width:100%;}
.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:15px;}
.search-wrap input{padding-left:34px!important;}
.sort-select,.input{background:var(--bg3);border:1px solid var(--border2);color:var(--text);padding:9px 12px;border-radius:var(--radius);font-family:'Crimson Pro',serif;font-size:15px;outline:none;transition:border-color .2s;width:100%;}
.sort-select:focus,.input:focus{border-color:var(--gold);}
textarea.input{resize:vertical;min-height:70px;}

/* BUTTONS */
.btn{border:none;cursor:pointer;font-family:'Crimson Pro',serif;font-size:15px;padding:9px 16px;border-radius:var(--radius);transition:all .2s;display:inline-flex;align-items:center;gap:5px;text-decoration:none;}
.btn-primary{background:var(--gold);color:#fff;font-weight:600;}
.btn-primary:hover{background:var(--gold2);}
.btn-ghost{background:var(--bg3);color:var(--text2);border:1px solid var(--border2);}
.btn-ghost:hover{background:var(--bg4);color:var(--text);}
.btn-danger{background:var(--rust);color:#fff;}
.btn-danger:hover{background:#b04535;}
.btn-sm{padding:5px 10px;font-size:13px;}

/* VIEW TOGGLE */
.view-toggle{display:flex;gap:3px;}
.view-toggle button{background:var(--bg3);border:1px solid var(--border2);color:var(--text3);width:36px;height:36px;border-radius:var(--radius);cursor:pointer;font-size:14px;transition:all .2s;display:flex;align-items:center;justify-content:center;}
.view-toggle button.active{background:var(--bg4);color:var(--gold);border-color:var(--gold);}

/* CHIPS */
.filter-chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px;}
.chip{padding:4px 12px;border-radius:16px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:13px;cursor:pointer;transition:all .2s;font-family:'Crimson Pro',serif;}
.chip.active{background:var(--gold);color:#fff;border-color:var(--gold);font-weight:600;}
.genre-chip-select{padding:5px 12px;border-radius:16px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:13px;cursor:pointer;transition:all .2s;font-family:'Crimson Pro',serif;display:inline-flex;align-items:center;gap:4px;}
.genre-chip-select.selected{background:var(--gold);color:#fff;border-color:var(--gold);font-weight:600;}
.genre-chip-select:hover{border-color:var(--gold2);}
.genre-mgr-chip{padding:5px 8px 5px 12px;border-radius:16px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);font-size:13px;font-family:'Crimson Pro',serif;display:inline-flex;align-items:center;gap:4px;}
.genre-mgr-chip button{background:none;border:none;cursor:pointer;color:var(--text3);font-size:13px;padding:0;line-height:1;transition:color .2s;}
.genre-mgr-chip button:hover{color:var(--rust);}

/* BOOKS GRID */
.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;}
@media(max-width:480px){.books-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;}}
.book-card{background:var(--bg2);border:1px solid var(--border);border-radius:6px;overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;}
.book-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.book-cover{width:100%;aspect-ratio:2/3;object-fit:cover;display:block;}
.book-cover-placeholder{width:100%;aspect-ratio:2/3;background:linear-gradient(135deg,var(--bg3),var(--bg4));display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text3);font-size:28px;gap:6px;padding:10px;text-align:center;}
.ph-title{font-family:'Playfair Display',serif;font-size:10px;color:var(--text2);line-height:1.3;}
.book-status-badge{position:absolute;top:5px;right:5px;font-size:10px;padding:2px 6px;border-radius:10px;font-weight:600;}
.status-reading{background:#cce0ff;color:#1a4a8a;}
.status-abandoned{background:#ffd6cc;color:#8a2a1a;}
.status-wishlist{background:#fff0cc;color:#7a5a00;}
.book-info{padding:8px 10px 10px;}
.book-title-card{font-family:'Playfair Display',serif;font-size:12px;color:var(--text);line-height:1.3;margin-bottom:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.book-author-card{font-size:11px;color:var(--text3);font-style:italic;margin-bottom:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.book-rating-card{display:flex;gap:1px;}
.star{color:var(--text3);font-size:12px;}
.star.filled{color:var(--gold);}

/* LIST VIEW */
.books-list{display:flex;flex-direction:column;gap:8px;}
.book-list-item{background:var(--bg2);border:1px solid var(--border);border-radius:6px;padding:10px 14px;cursor:pointer;transition:border-color .2s;display:flex;gap:12px;align-items:center;}
.book-list-item:hover{border-color:var(--border2);background:var(--bg3);}
.book-list-thumb{width:40px;height:60px;object-fit:cover;border-radius:3px;flex-shrink:0;}
.book-list-thumb-ph{width:40px;height:60px;border-radius:3px;flex-shrink:0;background:var(--bg4);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text3);}
.book-list-info{flex:1;min-width:0;}
.book-list-title{font-family:'Playfair Display',serif;font-size:15px;color:var(--text);}
.book-list-author{font-size:13px;color:var(--text3);font-style:italic;margin-bottom:3px;}
.book-list-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.book-list-genre{font-size:11px;color:var(--text3);background:var(--bg4);padding:2px 7px;border-radius:10px;}
.book-list-rating{display:flex;gap:1px;}

/* EMPTY STATE */
.empty-state{text-align:center;padding:50px 20px;color:var(--text3);}
.empty-state .icon{font-size:50px;margin-bottom:12px;}
.empty-state h3{font-family:'Playfair Display',serif;color:var(--text2);margin-bottom:6px;}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(60,40,10,.45);z-index:500;display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s;}
.modal-overlay.open{opacity:1;pointer-events:all;}
@media(min-width:600px){.modal-overlay{align-items:center;padding:20px;}}
.modal{background:var(--bg2);border:1px solid var(--border2);border-radius:12px 12px 0 0;width:100%;max-width:640px;max-height:92vh;overflow-y:auto;transform:translateY(40px);transition:transform .3s;box-shadow:0 -8px 40px rgba(80,50,10,.18);}
@media(min-width:600px){.modal{border-radius:12px;transform:translateY(20px);}}
.modal-overlay.open .modal{transform:translateY(0);}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.modal-title{font-family:'Playfair Display',serif;font-size:18px;color:var(--gold2);}
.modal-close{background:var(--bg3);border:1px solid var(--border2);color:var(--text2);width:30px;height:30px;border-radius:50%;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;}
.modal-body{padding:20px;}

/* FORM */
.form-section{margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border);}
.form-section:last-child{border-bottom:none;margin-bottom:0;}
.form-section-title{font-family:'Playfair Display',serif;font-size:13px;color:var(--gold);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
@media(max-width:480px){.form-row{grid-template-columns:1fr;}}
.form-group{margin-bottom:10px;}
.form-group label{display:block;font-size:13px;color:var(--text3);margin-bottom:4px;}

/* STATUS */
.status-selector{display:flex;gap:7px;flex-wrap:wrap;}
.status-btn{padding:7px 13px;border-radius:20px;border:1px solid var(--border2);background:var(--bg3);color:var(--text2);cursor:pointer;font-family:'Crimson Pro',serif;font-size:14px;transition:all .2s;}
.status-btn.active-reading{background:#cce0ff;color:#1a4a8a;border-color:#7ab0f0;}
.status-btn.active-finished{background:#ccf0d4;color:#1a5a28;border-color:#7ad090;}
.status-btn.active-abandoned{background:#ffd6cc;color:#8a2a1a;border-color:#f0907a;}
.status-btn.active-wishlist{background:#fff0cc;color:#7a5a00;border-color:#e0c060;}

/* STARS INPUT */
.star-input{display:flex;gap:4px;}
.star-input button{background:none;border:none;font-size:26px;cursor:pointer;transition:transform .1s;color:var(--text3);padding:0;}
.star-input button.active{color:var(--gold);}
.star-input button:hover{transform:scale(1.2);}

/* COVER UPLOAD */
.cover-upload-area{border:2px dashed var(--border2);border-radius:6px;padding:16px;text-align:center;cursor:pointer;transition:border-color .2s;color:var(--text3);font-size:14px;}
.cover-upload-area:hover{border-color:var(--gold);}
.cover-preview{max-height:100px;max-width:67px;object-fit:cover;border-radius:3px;margin:0 auto 6px;display:block;}

/* ISBN */
.isbn-status{font-size:13px;color:var(--text3);margin-top:4px;min-height:18px;}
.isbn-status.success{color:var(--sage);}
.isbn-status.error{color:var(--rust);}

/* QUOTES */
.quotes-list{display:flex;flex-direction:column;gap:7px;}
.quote-item{background:var(--bg3);border-left:3px solid var(--gold);padding:8px 32px 8px 12px;border-radius:0 4px 4px 0;font-style:italic;color:var(--text2);position:relative;font-size:15px;}
.quote-delete{position:absolute;top:5px;right:8px;background:none;border:none;color:var(--text3);cursor:pointer;font-size:13px;padding:2px;transition:color .2s;}
.quote-delete:hover{color:var(--rust);}
.add-quote-row{display:flex;gap:7px;margin-top:8px;}
.add-quote-row input{flex:1;font-style:italic;}

/* DETAIL */
.detail-header{display:flex;gap:16px;margin-bottom:20px;align-items:flex-start;}
.book-detail-cover{max-height:180px;max-width:120px;object-fit:cover;border-radius:6px;box-shadow:var(--shadow);}
.book-detail-cover-ph{width:120px;height:180px;background:var(--bg3);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:40px;color:var(--text3);}
.detail-info{flex:1;}
.detail-title{font-family:'Playfair Display',serif;font-size:20px;color:var(--text);line-height:1.2;margin-bottom:4px;}
.detail-author{font-size:15px;color:var(--gold);font-style:italic;margin-bottom:8px;}
.detail-stars{display:flex;gap:2px;margin:8px 0;}
.detail-meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text2);}
.detail-meta-row{display:flex;gap:6px;}
.detail-meta-label{color:var(--text3);min-width:85px;}
.detail-section{margin-top:16px;}
.detail-section-title,.card-title{font-family:'Playfair Display',serif;font-size:13px;color:var(--gold);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px;padding-bottom:5px;border-bottom:1px solid var(--border);}
.detail-actions{display:flex;gap:7px;margin-top:18px;flex-wrap:wrap;align-items:center;}

/* SCAN */
.scan-area{position:relative;background:#000;border-radius:8px;overflow:hidden;margin-bottom:14px;}
#scanner-video{width:100%;display:block;}
.scan-line{position:absolute;left:10%;right:10%;height:2px;background:var(--gold);animation:scan 2s ease-in-out infinite;top:50%;box-shadow:0 0 8px var(--gold);}
@keyframes scan{0%,100%{top:30%}50%{top:70%}}

/* STATS */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px;margin-bottom:20px;}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:14px;text-align:center;}
.stat-number{font-family:'Playfair Display',serif;font-size:32px;color:var(--gold2);line-height:1;margin-bottom:3px;}
.stat-label{font-size:12px;color:var(--text3);}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:18px;}
.genre-bar-list{display:flex;flex-direction:column;gap:7px;}
.genre-bar-item{display:flex;align-items:center;gap:8px;font-size:13px;}
.genre-bar-label{min-width:140px;color:var(--text2);font-size:12px;}
.genre-bar-track{flex:1;height:7px;background:var(--bg3);border-radius:4px;overflow:hidden;}
.genre-bar-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:4px;}
.genre-bar-count{min-width:22px;text-align:right;color:var(--text3);font-size:12px;}
.year-chart{display:flex;align-items:flex-end;gap:5px;height:90px;margin-top:10px;padding:0 4px;}
.year-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;}
.year-bar{width:100%;background:linear-gradient(0deg,var(--gold),var(--gold2));border-radius:3px 3px 0 0;min-height:3px;}
.year-bar-label{font-size:9px;color:var(--text3);}
.year-bar-count{font-size:9px;color:var(--gold);}

/* SECTION TITLE */
.section-title{font-family:'Playfair Display',serif;font-size:16px;color:var(--gold2);margin-bottom:12px;}

/* FRIENDS */
.friend-item{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);gap:10px;}
.friend-item:last-child{border-bottom:none;}
.friend-name{font-size:15px;color:var(--text);}

/* IMPORT */
.import-drop{border:2px dashed var(--border2);border-radius:8px;padding:28px;text-align:center;color:var(--text3);cursor:pointer;transition:all .2s;margin-bottom:10px;}
.import-drop:hover,.import-drop.drag-over{border-color:var(--gold);color:var(--text2);}

/* DROPDOWN */
.dropdown-menu{position:fixed;top:60px;right:12px;background:var(--bg2);border:1px solid var(--border2);border-radius:8px;box-shadow:var(--shadow);z-index:200;min-width:160px;overflow:hidden;}
.dropdown-menu button{display:block;width:100%;background:none;border:none;padding:12px 16px;text-align:left;font-family:'Crimson Pro',serif;font-size:15px;color:var(--text2);cursor:pointer;}
.dropdown-menu button:hover{background:var(--bg3);}

/* TOAST */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--text);border:1px solid var(--gold);color:#f5ede0;padding:10px 22px;border-radius:24px;font-size:14px;z-index:9999;transition:transform .3s;pointer-events:none;white-space:nowrap;}
.toast.show{transform:translateX(-50%) translateY(0);}

/* SCROLLBAR */
::-webkit-scrollbar{width:5px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px;}