:root{
  --bg:#f5f7f6;--card:#fff;--ink:#17211e;--muted:#66736e;--line:#dfe6e2;
  --brand:#173f35;--brand2:#235b4d;--accent:#c69b48;--danger:#a53d3d;
  --shadow:0 8px 30px rgba(22,50,43,.08);--radius:18px
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Tahoma,"Segoe UI",Arial,sans-serif}
button,input,select,textarea{font:inherit}button{cursor:pointer}
.topbar{height:74px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 5%;position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:13px;background:var(--brand);color:white;display:grid;place-items:center;font-size:22px;font-weight:700}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
main{max-width:1200px;margin:auto;padding:28px 20px 60px}.hero{background:linear-gradient(135deg,var(--brand),var(--brand2));color:white;border-radius:24px;padding:30px;display:flex;justify-content:space-between;align-items:center;gap:20px;box-shadow:var(--shadow)}
.hero h1{margin:4px 0 10px;font-size:32px}.hero p{margin:0;color:#e2eeea}.eyebrow{font-size:12px!important;opacity:.8}.primary{background:var(--accent);border:0;color:#1d1a12;padding:12px 18px;border-radius:12px;font-weight:700}.primary.small{padding:9px 14px}.ghost{border:1px solid var(--line);background:white;padding:9px 14px;border-radius:10px}.hidden{display:none!important}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}.stat,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat b{font-size:26px;display:block;margin-bottom:5px}.stat span,.muted{color:var(--muted);font-size:13px}
.tabs{display:flex;gap:8px;overflow:auto;margin:18px 0}.tab{background:transparent;border:1px solid var(--line);border-radius:12px;padding:10px 18px;white-space:nowrap}.tab.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.panel{display:none}.panel.active{display:block}.section-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:20px 0}.section-head h2{margin:0}.search,.select{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 13px;min-width:250px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card h3{margin-top:0}.list{display:grid;gap:9px}.list-item{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:10px 0}.list-item:last-child{border:0}
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.book{background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.cover{height:220px;background:#e9efec;display:grid;place-items:center;color:var(--muted);overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover}.book-body{padding:14px}.book h3{margin:0 0 6px;font-size:16px}.book p{margin:4px 0;color:var(--muted);font-size:12px}.rating{font-weight:700;color:#8b6a22}.pill{background:#edf4f1;color:var(--brand);padding:6px 10px;border-radius:99px;font-size:12px}
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:auto}.table{width:100%;border-collapse:collapse;min-width:650px}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:right}.table th{background:#f7f9f8;font-size:13px}.table tr:last-child td{border:0}
dialog{border:0;border-radius:20px;padding:0;width:min(520px,92vw);box-shadow:0 25px 80px rgba(0,0,0,.25)}dialog::backdrop{background:rgba(15,30,25,.45)}.dialog-card{padding:25px;display:grid;gap:14px;position:relative}.dialog-card h2{margin:0 0 4px}.dialog-card label{display:grid;gap:6px;font-size:13px}.dialog-card input,.dialog-card select,.dialog-card textarea{border:1px solid var(--line);border-radius:10px;padding:11px}.dialog-card textarea{min-height:90px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.close{position:absolute;left:16px;top:12px;border:0;background:transparent;font-size:28px;color:var(--muted)}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:#18231f;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:50}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:900px){.book-grid{grid-template-columns:repeat(3,1fr)}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.hero{display:block}.hero .primary{margin-top:18px;width:100%}.stats,.grid-2{grid-template-columns:1fr}.book-grid{grid-template-columns:repeat(2,1fr)}.search{min-width:0;width:100%}.section-head{align-items:stretch;flex-direction:column}.topbar{padding:0 15px}.brand span{display:none}}