/* کتابخانه آنلاین - استایل اصلی (برگرفته از طراحی mockup.html) */
@font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
  @font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
  @font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
  @font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
  @font-face{font-family:"Vazirmatn";src:url("../fonts/Vazirmatn-ExtraBold.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap}
  :root{
    --bg:#f3f6f4;
    --surface:#ffffff;
    --ink:#11201a;
    --muted:#6b7c75;
    --line:#e3eae6;
    --brand:#0f766e;
    --brand-2:#0d9488;
    --brand-dark:#0b5a54;
    --brand-soft:#e7f5f1;
    --amber:#d97706;
    --amber-soft:#fef3e2;
    --danger:#dc2626;
    --danger-soft:#fee2e2;
    --shadow:0 14px 34px rgba(15,46,37,.09);
    --shadow-sm:0 6px 18px rgba(15,46,37,.06);
    --radius:18px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"Vazirmatn",Tahoma,"Segoe UI",Arial,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  body.modal-open{overflow:hidden}
  h1,h2,h3,h4,p{margin:0}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit}
  input,select,textarea{font-family:inherit}
  .hidden{display:none!important}
  .ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
  .sprite{position:absolute;width:0;height:0;overflow:hidden}
  ::selection{background:#b7e4d8}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border:1px solid transparent;border-radius:12px;padding:11px 18px;
    font-size:13.5px;font-weight:700;cursor:pointer;transition:.18s ease;
    background:#fff;color:var(--ink);white-space:nowrap;
  }
  .btn:focus-visible{outline:3px solid rgba(13,148,136,.25);outline-offset:2px}
  .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
  .btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px)}
  .btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
  .btn-soft:hover{background:#d9efe9}
  .btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-outline:hover{border-color:#c6d6d0;background:#fbfdfc}
  .btn-ghost{background:transparent;color:var(--muted)}
  .btn-ghost:hover{background:#eef4f1;color:var(--ink)}
  .btn-danger{background:var(--danger-soft);color:var(--danger)}
  .btn-danger:hover{background:#fecaca}
  .btn-sm{padding:8px 12px;font-size:12.5px;border-radius:10px}
  .btn-block{width:100%}
  .icon-only{padding:8px;width:36px;height:36px}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
    border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);
    cursor:pointer;transition:.18s;margin-inline-start:4px;
  }
  .icon-btn:hover{color:var(--brand);border-color:#cde3dc;background:var(--brand-soft)}
  .icon-btn.danger:hover{color:var(--danger);border-color:#fecaca;background:var(--danger-soft)}

  .field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
  .field label{font-size:12.5px;font-weight:700;color:#33473f}
  .field .hint{font-size:11px;color:var(--muted);font-weight:400}
  .input{
    width:100%;border:1px solid var(--line);background:#fbfdfc;border-radius:12px;
    padding:11px 14px;font-size:13.5px;color:var(--ink);transition:.18s;outline:none;
  }
  .input:focus{border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 4px rgba(13,148,136,.11)}
  textarea.input{min-height:120px;resize:vertical;line-height:1.9}
  select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#7b8c85 50%),linear-gradient(135deg,#7b8c85 50%,transparent 50%);background-position:calc(14px) 50%,calc(19px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-left:34px}
  .eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.2px;color:var(--brand)}
  .muted{color:var(--muted)}

  /* ---------- login ---------- */
  .login{
    min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;
    background:radial-gradient(900px 500px at 85% 12%,#d8efe7 0,transparent 60%),linear-gradient(135deg,#f7faf8,#eaf2ee);
  }
  .login-art{
    position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;
    padding:48px;color:#eafff8;
    background:radial-gradient(700px 500px at 15% 10%,#17756b 0,transparent 55%),linear-gradient(145deg,#082d28,#0d4b43 58%,#0a6b60);
  }
  .login-art:before,.login-art:after{
    content:"";position:absolute;border-radius:999px;border:1px solid rgba(255,255,255,.1);
  }
  .login-art:before{width:520px;height:520px;left:-160px;top:-190px}
  .login-art:after{width:380px;height:380px;right:-120px;bottom:-150px}
  .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:16px}
  .brand-mark{
    width:40px;height:40px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;box-shadow:0 8px 18px rgba(3,30,25,.28);
  }
  .brand small{display:block;font-size:10px;font-weight:400;opacity:.65;margin-top:-4px}
  .login-art-copy{position:relative;z-index:2;max-width:420px}
  .login-art-copy .eyebrow{color:#8ee6d4}
  .login-art-copy h1{font-size:38px;line-height:1.45;margin:12px 0 14px;letter-spacing:-.5px}
  .login-art-copy p{color:#b8d8d0;font-size:14px;max-width:360px;margin:0}
  .books-stack{position:relative;height:300px;margin-top:20px;z-index:2}
  .stack-book{
    position:absolute;width:152px;height:218px;border-radius:12px;padding:18px 16px;color:#fff;
    box-shadow:0 26px 45px rgba(0,0,0,.35);display:flex;flex-direction:column;justify-content:space-between;
    border:1px solid rgba(255,255,255,.18);
  }
  .stack-book:after{content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.18);border-radius:7px}
  .stack-book span{font-size:10px;opacity:.8}
  .stack-book strong{font-size:19px;line-height:1.6;font-weight:800}
  .stack-book b{font-size:10px;font-weight:400;opacity:.75}
  .stack-book.b1{right:6%;top:38px;transform:rotate(-9deg);background:linear-gradient(150deg,#115e59,#0f766e)}
  .stack-book.b2{right:36%;top:10px;transform:rotate(3deg);background:linear-gradient(150deg,#7c2d12,#b45309);z-index:2}
  .stack-book.b3{right:23%;top:78px;transform:rotate(11deg);background:linear-gradient(150deg,#312e81,#4338ca)}
  .art-note{position:relative;z-index:2;font-size:11px;color:#8fbab1;display:flex;align-items:center;gap:8px}
  .login-panel{display:flex;align-items:center;justify-content:center;padding:38px}
  .login-card{
    width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:22px;
    padding:34px 32px 30px;box-shadow:0 24px 60px rgba(15,46,37,.12),0 2px 6px rgba(15,46,37,.04);
  }
  .login-card .brand{padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--line)}
  .login-card h2{font-size:25px;margin:0 0 6px;letter-spacing:-.3px}
  .login-card .lead{font-size:13px;color:var(--muted);margin:0 0 26px}
  .login-card .field{margin-bottom:16px}
  .login-card .field label{display:flex;align-items:center;justify-content:space-between}
  .login-card .input{background:#fbfdfc}
  .login-card .input:focus{background:#fff}
  .login-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:-2px 0 20px;font-size:12px}
  .check{display:flex;align-items:center;gap:8px;color:#45574f;cursor:pointer}
  .check input{accent-color:var(--brand);width:15px;height:15px}
  .link{color:var(--brand);font-weight:700;cursor:pointer}
  .link:hover{text-decoration:underline}
  .login-actions{display:flex;flex-direction:column;gap:10px}
  .demo-box{
    margin-top:22px;background:#f4f8f6;border:1px dashed #cfe0da;border-radius:14px;padding:13px 15px;
    font-size:11.5px;color:var(--muted);line-height:2;
  }
  .demo-box strong{color:#2d4139}
  .demo-box code{font-family:"Vazirmatn",Tahoma,sans-serif;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px;color:var(--brand-dark);direction:ltr;unicode-bidi:isolate;display:inline-block}

  /* ---------- user topbar ---------- */
  .topbar{
    position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
  }
  .topbar-inner{
    max-width:1220px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:26px;
  }
  .main-nav{display:flex;align-items:center;gap:4px;background:#f1f5f3;border-radius:12px;padding:4px}
  .nav-btn{
    border:0;background:transparent;color:#5d7068;font-size:13px;font-weight:700;padding:7px 15px;
    border-radius:9px;cursor:pointer;transition:.18s;display:flex;align-items:center;gap:7px;
  }
  .nav-btn:hover{color:var(--ink)}
  .nav-btn.active{background:#fff;color:var(--brand-dark);box-shadow:0 2px 8px rgba(15,46,37,.08)}
  .nav-badge{
    min-width:18px;height:18px;padding:0 5px;border-radius:99px;background:var(--brand-soft);color:var(--brand-dark);
    font-size:10px;display:inline-flex;align-items:center;justify-content:center;
  }
  .topbar-spacer{flex:1}
  .user-chip{display:flex;align-items:center;gap:10px;padding-inline-start:10px;border-inline-start:1px solid var(--line)}
  .avatar{
    width:36px;height:36px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
    color:#fff;font-weight:800;font-size:13px;background:linear-gradient(135deg,#0f766e,#14b8a6);flex:none;
  }
  .user-chip-meta{display:flex;flex-direction:column;line-height:1.5}
  .user-chip-meta strong{font-size:12.5px}
  .user-chip-meta span{font-size:10.5px;color:var(--muted)}
  .icon-plain{
    border:1px solid var(--line);background:#fff;width:38px;height:38px;border-radius:11px;color:#53665f;
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.18s;
  }
  .icon-plain:hover{background:var(--brand-soft);color:var(--brand);border-color:#cde3dc}

  /* ---------- user page ---------- */
  .container{max-width:1220px;margin:0 auto;padding:26px 24px 60px}
  .hero{
    position:relative;overflow:hidden;border-radius:26px;color:#fff;padding:38px 42px;margin-bottom:30px;
    background:radial-gradient(600px 330px at 8% 15%,#17756b 0,transparent 60%),linear-gradient(125deg,#082d28,#0b4a42 55%,#0f766e);
    display:grid;grid-template-columns:1.25fr .75fr;gap:18px;align-items:center;box-shadow:var(--shadow);
  }
  .hero:after{
    content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.09);border-radius:50%;
    left:-140px;bottom:-230px;
  }
  .hero .eyebrow{color:#8ee6d4;background:rgba(255,255,255,.08);padding:4px 11px;border-radius:99px;display:inline-block}
  .hero h1{font-size:31px;margin:14px 0 10px;letter-spacing:-.5px;line-height:1.5}
  .hero p{color:#bcd9d1;font-size:13.5px;max-width:470px}
  .hero-stats{display:flex;gap:30px;margin-top:24px;position:relative;z-index:2}
  .hero-stats b{display:block;font-size:21px;line-height:1.3}
  .hero-stats span{font-size:11px;color:#9fc5bc}
  .hero-visual{position:relative;height:230px;z-index:2}
  .hero-book{
    position:absolute;width:118px;height:168px;border-radius:10px;padding:14px 12px;display:flex;flex-direction:column;
    justify-content:space-between;box-shadow:0 24px 38px rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.2);
  }
  .hero-book span{font-size:9px;opacity:.8}
  .hero-book strong{font-size:14px;line-height:1.6;font-weight:800}
  .hero-book.hb1{right:9%;top:30px;transform:rotate(-8deg);background:linear-gradient(150deg,#115e59,#0f766e)}
  .hero-book.hb2{right:43%;top:6px;transform:rotate(4deg);background:linear-gradient(150deg,#7c2d12,#b45309);z-index:2}
  .hero-book.hb3{right:27%;top:52px;transform:rotate(12deg);background:linear-gradient(150deg,#312e81,#4338ca)}

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 2px 16px}
  .section-head h2{font-size:21px;letter-spacing:-.3px}
  .section-head p{font-size:12px;color:var(--muted);margin-top:2px}
  .count-pill{background:#fff;border:1px solid var(--line);border-radius:99px;padding:4px 12px;font-size:11.5px;color:var(--muted)}

  .toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
  .search-box{position:relative;flex:1;min-width:240px}
  .search-box .ic{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:#8b9c95;width:18px;height:18px}
  .search-box input{
    width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 44px 12px 16px;
    font-size:13px;outline:none;transition:.18s;box-shadow:var(--shadow-sm);
  }
  .search-box input:focus{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(13,148,136,.1)}
  .chips{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-bottom:2px;flex:1;min-width:100%}
  .chips::-webkit-scrollbar{height:5px}
  .chips::-webkit-scrollbar-thumb{background:#d5e2dc;border-radius:99px}
  .chip{
    border:1px solid var(--line);background:#fff;color:#52655d;border-radius:99px;padding:8px 15px;
    font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap;transition:.18s;
  }
  .chip:hover{border-color:#c3d8d0;color:var(--ink)}
  .chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,118,110,.22)}

  .book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));gap:22px}
  .book-card{
    background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);
    transition:.22s ease;cursor:pointer;
  }
  .book-card:hover{transform:translateY(-5px);box-shadow:0 20px 38px rgba(15,46,37,.12);border-color:#d2e4dd}
  .book-cover{
    position:relative;aspect-ratio:3/4;padding:16px;display:flex;flex-direction:column;justify-content:space-between;
    background:linear-gradient(150deg,var(--c1,#115e59),var(--c2,#0f766e));color:#fff;overflow:hidden;
  }
  .book-cover:before{
    content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(255,255,255,.18);border-radius:50%;
    left:-60px;top:-55px;
  }
  .book-cover:after{
    content:"";position:absolute;width:90px;height:90px;border:1px solid rgba(255,255,255,.12);border-radius:50%;
    right:-40px;bottom:-35px;
  }
  .cover-copy{position:relative;z-index:2;margin-top:auto}
  .cover-cat{
    display:inline-block;font-size:9.5px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.18);
    padding:2px 8px;border-radius:99px;margin-bottom:9px;
  }
  .cover-copy strong{display:block;font-size:18px;line-height:1.65;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.18)}
  .cover-author{font-size:10px;opacity:.78;display:block;margin-top:5px}
  .cover-flag{
    position:absolute;top:12px;right:12px;z-index:2;background:var(--amber-soft);color:#9a5b06;
    font-size:9.5px;font-weight:800;padding:3px 9px;border-radius:99px;box-shadow:0 4px 10px rgba(0,0,0,.12);
  }
  .fav-btn{
    position:absolute;top:11px;left:11px;z-index:3;width:32px;height:32px;border-radius:50%;
    border:1px solid rgba(255,255,255,.3);background:rgba(10,25,20,.25);color:#fff;
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.18s;backdrop-filter:blur(3px);
  }
  .fav-btn .ic{width:16px;height:16px}
  .fav-btn:hover{background:rgba(255,255,255,.22)}
  .fav-btn.is-fav{background:#fff;color:#e11d48;border-color:#fff}
  .fav-btn.is-fav .ic{fill:currentColor}
  .book-body{padding:14px 15px 15px}
  .book-title{font-size:14.5px;line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .book-author{font-size:11px;color:var(--muted);margin-top:1px}
  .book-meta{display:flex;align-items:center;gap:13px;font-size:10.5px;color:#7a8b84;margin:11px 0 12px}
  .book-meta span{display:inline-flex;align-items:center;gap:4px}
  .book-meta .ic{width:13px;height:13px}
  .book-actions{display:flex;align-items:center;gap:7px}
  .book-actions .btn-soft{flex:1}
  .empty-state{
    grid-column:1/-1;text-align:center;padding:64px 20px;background:#fff;border:1px dashed #d4e2dc;border-radius:20px;
  }
  .empty-state .empty-icon{
    width:64px;height:64px;border-radius:20px;background:var(--brand-soft);color:var(--brand);
    display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  }
  .empty-state h3{font-size:16px}
  .empty-state p{font-size:12px;color:var(--muted);margin-top:4px}

  .site-footer{
    border-top:1px solid var(--line);background:#fff;padding:24px;text-align:center;font-size:11.5px;color:var(--muted);
  }
  .site-footer strong{color:var(--brand-dark)}

  /* ---------- admin ---------- */
  .admin{display:flex;min-height:100vh;background:#f3f6f4}
  .sidebar{
    width:262px;flex:none;background:radial-gradient(400px 280px at 20% 0,#145c53 0,transparent 65%),linear-gradient(170deg,#082722,#0b3a33 60%,#0a2f29);
    color:#cfe6df;display:flex;flex-direction:column;padding:22px 16px;position:sticky;top:0;height:100vh;
  }
  .sidebar .brand{color:#fff;padding:2px 8px 22px}
  .side-label{font-size:10px;letter-spacing:.5px;color:#6f9a90;padding:10px 12px 8px}
  .side-nav{display:flex;flex-direction:column;gap:4px}
  .nav-item{
    display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:11px;border:1px solid transparent;
    background:transparent;color:#b9d4cc;font-size:12.5px;font-weight:700;cursor:pointer;transition:.18s;text-align:right;width:100%;
  }
  .nav-item .ic{width:18px;height:18px;opacity:.85}
  .nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
  .nav-item.active{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.07);color:#fff;box-shadow:inset -3px 0 0 #2dd4bf}
  .side-sep{height:1px;background:rgba(255,255,255,.09);margin:14px 8px}
  .side-spacer{flex:1}
  .side-user{
    display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
    border-radius:14px;padding:10px;margin-bottom:10px;
  }
  .side-user .avatar{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0d9488,#2dd4bf);font-size:12px}
  .side-user div{display:flex;flex-direction:column;line-height:1.5;min-width:0}
  .side-user strong{font-size:11.5px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .side-user span{font-size:10px;color:#7fa79d}
  .side-logout{
    display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:11px;border:0;background:transparent;
    color:#9dbdb5;font-size:12px;cursor:pointer;transition:.18s;width:100%;
  }
  .side-logout:hover{background:rgba(255,255,255,.06);color:#fff}

  .admin-main{flex:1;min-width:0;padding:26px 30px 50px}
  .admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:24px;flex-wrap:wrap}
  .admin-head h1{font-size:24px;letter-spacing:-.4px}
  .admin-head p{font-size:12px;color:var(--muted);margin-top:2px}
  .admin-tools{display:flex;align-items:center;gap:10px}
  .admin-search{position:relative;width:260px}
  .admin-search .ic{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#8b9c95;width:16px;height:16px}
  .admin-search input{
    width:100%;border:1px solid var(--line);background:#fff;border-radius:11px;padding:9px 36px 9px 12px;
    font-size:12px;outline:none;transition:.18s;
  }
  .admin-search input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(13,148,136,.1)}
  .bell{position:relative}
  .bell:after{content:"";position:absolute;top:8px;left:9px;width:7px;height:7px;border-radius:50%;background:var(--amber);border:2px solid #fff}

  .stats{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:20px}
  .stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:14px}
  .stat-icon{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;flex:none}
  .stat-icon .ic{width:21px;height:21px}
  .stat-card:nth-child(1) .stat-icon{background:var(--brand-soft);color:var(--brand)}
  .stat-card:nth-child(2) .stat-icon{background:#e0edff;color:#2563eb}
  .stat-card:nth-child(3) .stat-icon{background:var(--amber-soft);color:var(--amber)}
  .stat-card:nth-child(4) .stat-icon{background:#f3e8ff;color:#7e22ce}
  .stat-card:nth-child(5) .stat-icon{background:#e0f2fe;color:#0369a1}
  .stat-card b{font-size:21px;display:block;line-height:1.4}
  .stat-card span{font-size:11px;color:var(--muted)}
  .stat-card .trend{font-size:9.5px;color:#15803d;background:#e9f8ee;border-radius:99px;padding:1px 7px;margin-inline-start:6px;vertical-align:2px}

  .dash-grid{display:grid;grid-template-columns:1.45fr .75fr;gap:18px;margin-bottom:20px}
  .panel{background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow-sm);padding:20px}
  .panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
  .panel-head h2{font-size:14.5px}
  .panel-head p{font-size:10.5px;color:var(--muted);margin-top:1px}
  .panel-head .legend{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:6px}
  .legend i{width:8px;height:8px;border-radius:3px;background:var(--brand-2);display:inline-block}
  .bars{display:flex;align-items:flex-end;gap:13px;height:170px;padding-top:8px}
  .bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%}
  .bar-track{flex:1;width:100%;display:flex;align-items:flex-end;background:#f4f8f6;border-radius:7px;overflow:hidden}
  .bar{
    width:100%;background:linear-gradient(180deg,#2dd4bf,#0f766e);border-radius:7px;min-height:8px;
    transition:height .5s ease;opacity:.95;
  }
  .bar-col:last-child .bar{background:linear-gradient(180deg,#fbbf24,#d97706)}
  .bar-label{font-size:9.5px;color:#7b8c85}
  .activity-list{display:flex;flex-direction:column;gap:2px}
  .activity{display:flex;gap:11px;padding:10px 0;border-bottom:1px dashed #edf2f0}
  .activity:last-child{border-bottom:0}
  .activity-dot{
    width:30px;height:30px;border-radius:10px;background:var(--brand-soft);color:var(--brand);flex:none;
    display:flex;align-items:center;justify-content:center;
  }
  .activity-dot .ic{width:15px;height:15px}
  .activity div{min-width:0}
  .activity strong{font-size:11.5px;font-weight:700;display:block;line-height:1.7}
  .activity span{font-size:10px;color:var(--muted)}
  .panel-note{font-size:10.5px;color:var(--muted);text-align:center;padding-top:10px}

  .table-wrap{overflow-x:auto}
  table.table{width:100%;border-collapse:collapse;min-width:640px}
  .table th{
    text-align:right;font-size:10.5px;font-weight:700;color:#7b8c85;padding:9px 10px;border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .table td{padding:11px 10px;border-bottom:1px solid #f0f5f3;font-size:11.5px;vertical-align:middle}
  .table tbody tr:last-child td{border-bottom:0}
  .table tbody tr:hover{background:#fafdfc}
  .book-cell{display:flex;align-items:center;gap:10px;min-width:190px}
  .mini-cover{
    width:36px;height:48px;border-radius:6px;flex:none;display:flex;align-items:flex-end;justify-content:center;
    padding-bottom:4px;color:rgba(255,255,255,.9);font-size:13px;font-weight:800;
    background:linear-gradient(150deg,var(--c1,#115e59),var(--c2,#0f766e));box-shadow:0 4px 9px rgba(15,46,37,.16);
  }
  .book-cell strong{display:block;font-size:12px;line-height:1.6;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
  .book-cell small{font-size:10px;color:var(--muted);display:block}
  .tag{display:inline-block;font-size:10px;border-radius:99px;background:#f1f5f3;color:#5b6e66;padding:2px 9px;white-space:nowrap}
  .status-badge{
    border:0;font-family:inherit;font-size:9.5px;font-weight:700;border-radius:99px;padding:3px 9px;cursor:pointer;
    display:inline-flex;align-items:center;gap:4px;
  }
  .status-badge.published{background:#e9f8ee;color:#15803d}
  .status-badge.draft{background:#fdf3e3;color:#b45309}
  .status-badge:before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
  .row-actions{white-space:nowrap;text-align:left}
  .role-badge{font-size:9.5px;font-weight:700;border-radius:99px;padding:3px 9px;display:inline-block}
  .role-badge.is-admin{background:#ede9fe;color:#6d28d9}
  .role-badge.is-user{background:#e0f2fe;color:#0369a1}
  .user-cell{display:flex;align-items:center;gap:10px;min-width:160px}
  .user-cell .avatar{width:32px;height:32px;border-radius:10px;font-size:11px}
  .user-cell strong{font-size:11.5px;display:block;line-height:1.6}
  .user-cell small{font-size:9.5px;color:var(--muted);direction:ltr;display:block;text-align:right}
  .table-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
  .table-toolbar .count{font-size:11px;color:var(--muted)}
  .pagination{display:flex;align-items:center;gap:5px;margin-top:16px;justify-content:flex-start}
  .page-btn{
    min-width:30px;height:30px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:11px;
    color:#5b6e66;cursor:pointer;
  }
  .page-btn.active{background:var(--brand);border-color:var(--brand);color:#fff}

  /* add form */
  .form-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;align-items:start}
  .form-actions{display:flex;align-items:center;gap:10px;padding-top:6px}
  .upload-box{
    border:1.5px dashed #c9dcd5;background:#fafdfc;border-radius:14px;padding:22px 16px;text-align:center;
    cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;transition:.18s;
  }
  .upload-box:hover{border-color:var(--brand-2);background:#f3fbf8}
  .upload-box .ic{width:24px;height:24px;color:var(--brand);margin-bottom:2px}
  .upload-box strong{font-size:11.5px}
  .upload-box span{font-size:10px;color:var(--muted)}
  .upload-box.filled{border-style:solid;border-color:#bfe3d8;background:var(--brand-soft)}
  .cover-preview{
    aspect-ratio:3/4;border-radius:14px;border:1.5px dashed #c9dcd5;background:#fafdfc;
    display:flex;align-items:center;justify-content:center;overflow:hidden;background-size:cover;background-position:center;
  }
  .cover-empty{display:flex;flex-direction:column;align-items:center;gap:6px;color:#8b9c95;font-size:10.5px}
  .cover-empty .ic{width:26px;height:26px;color:#a9bdb5}
  .cover-preview.has-image{border-style:solid;border-color:#bfe3d8}
  .cover-preview.has-image .cover-empty{display:none}
  .inline-note{font-size:10.5px;color:var(--muted);margin-top:8px;line-height:1.9}
  .inline-note strong{color:#9a5b06}

  /* categories */
  .cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-bottom:18px}
  .cat-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-sm)}
  .cat-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex:none}
  .cat-icon .ic{width:18px;height:18px}
  .cat-card div:nth-child(2){flex:1;min-width:0}
  .cat-card strong{font-size:12.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cat-card span{font-size:10px;color:var(--muted)}
  .cat-form{display:flex;gap:10px;align-items:center;max-width:480px}
  .cat-form .input{flex:1}

  /* modals */
  .modal{
    position:fixed;inset:0;z-index:100;background:rgba(4,20,16,.55);backdrop-filter:blur(4px);
    display:flex;align-items:center;justify-content:center;padding:22px;animation:fadeIn .18s ease;
  }
  .modal-card{
    background:#fff;border-radius:22px;width:100%;max-width:800px;max-height:92vh;overflow:auto;
    position:relative;box-shadow:0 30px 80px rgba(0,0,0,.35);animation:pop .22s ease;
  }
  .modal-close{
    position:absolute;top:14px;left:14px;z-index:5;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
    background:rgba(255,255,255,.92);color:#53665f;display:flex;align-items:center;justify-content:center;cursor:pointer;
    backdrop-filter:blur(6px);
  }
  .modal-close:hover{background:var(--danger-soft);color:var(--danger);border-color:#fecaca}
  .detail{display:grid;grid-template-columns:250px 1fr;gap:26px;padding:26px}
  .detail-cover{
    aspect-ratio:3/4;border-radius:15px;padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;
    background:linear-gradient(150deg,var(--c1),var(--c2));box-shadow:0 18px 34px rgba(15,46,37,.22);position:relative;overflow:hidden;
  }
  .detail-cover:before{content:"";position:absolute;width:170px;height:170px;border:1px solid rgba(255,255,255,.2);border-radius:50%;left:-55px;top:-60px}
  .detail-cover .cover-cat{background:rgba(255,255,255,.17)}
  .detail-cover strong{font-size:24px;line-height:1.6;position:relative;z-index:2}
  .detail-cover small{font-size:11px;opacity:.8;position:relative;z-index:2}
  .detail-info{padding-top:4px;min-width:0}
  .detail-info h2{font-size:24px;line-height:1.5;letter-spacing:-.4px;margin:6px 0 2px}
  .detail-author{font-size:12px;color:var(--muted);margin-bottom:16px}
  .meta-pills{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}
  .meta-pill{font-size:10px;background:#f3f7f5;border:1px solid #e8efec;border-radius:99px;padding:4px 10px;color:#5b6e66}
  .meta-pill b{color:#31463e;font-weight:700}
  .detail-desc{font-size:12px;color:#4f625a;line-height:2.05;margin-bottom:18px}
  .detail-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .detail-actions .fav-wide{
    display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:#7a8b84;cursor:pointer;
  }
  .detail-actions .fav-wide.is-fav{color:#e11d48;border-color:#fecdd3;background:#fff1f2}
  .detail-actions .fav-wide.is-fav .ic{fill:currentColor}
  .detail-dl{font-size:10.5px;color:var(--muted);margin-top:14px;display:flex;align-items:center;gap:6px}
  .detail-dl .ic{width:14px;height:14px}

  .reader-card{max-width:860px;display:flex;flex-direction:column;max-height:92vh}
  .reader-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--line)}
  .reader-head h3{font-size:16px}
  .reader-head p{font-size:10.5px;color:var(--muted)}
  .reader-body{flex:1;overflow:auto;background:#f4f1e8;padding:22px}
  .reader-paper{
    background:#fffdf7;border:1px solid #e9e2d1;border-radius:10px;max-width:680px;margin:0 auto;
    padding:34px 40px;box-shadow:0 12px 28px rgba(68,55,30,.08);min-height:340px;
  }
  .reader-paper h4{font-size:16px;margin-bottom:14px;color:#3b3323}
  .reader-paper p{font-size:12.5px;line-height:2.25;color:#4a4436;margin-bottom:13px;text-align:justify}
  .reader-paper .page-number{text-align:center;font-size:10px;color:#a19578;margin-top:20px;border-top:1px dashed #e5ddc9;padding-top:9px}
  .reader-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 22px;border-top:1px solid var(--line)}
  .reader-foot span{font-size:11px;color:var(--muted)}

  .toast{
    position:fixed;bottom:24px;left:24px;z-index:200;background:#0d2b25;color:#eafff8;border-radius:13px;
    padding:11px 16px;font-size:12px;display:flex;align-items:center;gap:9px;box-shadow:0 16px 40px rgba(0,0,0,.28);
    transform:translateY(24px);opacity:0;pointer-events:none;transition:.24s ease;max-width:340px;
  }
  .toast.show{transform:translateY(0);opacity:1}
  .toast .ic{width:17px;height:17px;color:#5eead4}

  @keyframes fadeIn{from{opacity:0}to{opacity:1}}
  @keyframes pop{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}

  @media (max-width:1080px){
    .stats{grid-template-columns:repeat(2,1fr)}
    .dash-grid{grid-template-columns:1fr}
    .form-grid{grid-template-columns:1fr}
    .sidebar{width:228px}
  }
  @media (max-width:900px){
    .login{grid-template-columns:1fr}
    .login-art{display:none}
    .login-panel{padding:30px 20px;min-height:100vh}
    .admin{display:block}
    .sidebar{
      position:static;height:auto;width:100%;flex-direction:row;align-items:center;gap:10px;
      padding:12px 14px;overflow-x:auto;
    }
    .sidebar .brand{padding:0 6px 0 0;white-space:nowrap}
    .sidebar .brand small{display:none}
    .side-label,.side-sep,.side-spacer,.side-user,.side-logout{display:none}
    .side-nav{flex-direction:row;gap:5px;flex:1;overflow-x:auto;padding-bottom:2px}
    .nav-item{width:auto;white-space:nowrap;padding:8px 11px;font-size:11.5px}
    .nav-item.active{box-shadow:none}
    .admin-main{padding:20px 18px 44px}
    .hero{grid-template-columns:1fr;padding:30px 28px}
    .hero-visual{display:none}
    .container{padding:20px 16px 46px}
    .detail{grid-template-columns:200px 1fr;padding:22px}
  }
  @media (max-width:640px){
    .book-grid{grid-template-columns:repeat(auto-fill,minmax(154px,1fr));gap:14px}
    .cover-copy strong{font-size:15px}
    .book-body{padding:11px 12px 12px}
    .book-title{font-size:12.5px}
    .book-meta{gap:9px;margin:8px 0 10px}
    .book-actions .btn{padding:7px 9px;font-size:11px}
    .hero h1{font-size:23px}
    .hero-stats{gap:20px}
    .hero-stats b{font-size:17px}
    .detail{grid-template-columns:1fr;gap:18px}
    .detail-cover{max-width:190px;margin:0 auto}
    .detail-info h2{font-size:19px}
    .modal{padding:12px}
    .admin-tools{width:100%}
    .admin-search{flex:1;width:auto}
    .stats{gap:10px}
    .stat-card{padding:13px;gap:10px}
    .stat-icon{width:38px;height:38px;border-radius:11px}
    .stat-card b{font-size:17px}
    .stat-card .trend{display:none}
    .reader-paper{padding:22px 18px}
    .reader-body{padding:12px}
    .reader-head,.reader-foot{padding:12px 15px}
    .demo-box{font-size:10.5px}
  }