:root{--violet:#5b21d6;--violet2:#7c3aed;--dark:#17102f;--ink:#211b35;--muted:#746d83;--line:#e8e4f0;--bg:#f7f6fa;--green:#16a34a;--red:#ef4444}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:linear-gradient(180deg,#211040,#160d2a);color:#fff;padding:22px 14px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 28px;font-size:15px}.brand-icon{width:35px;height:35px;border-radius:10px;background:#6d35e8;display:grid;place-items:center;font-size:22px}.brand span{display:block;color:#c8bfd8;font-size:12px;margin-top:2px}.nav-label{font-size:10px;letter-spacing:.12em;color:#9e91b5;padding:18px 12px 7px}.nav-link{display:flex;gap:12px;align-items:center;color:#d8d0e7;padding:11px 12px;border-radius:8px;margin:3px 0;font-size:13px}.nav-link.active{background:linear-gradient(90deg,#6d2ee9,#5420ca);color:#fff;box-shadow:0 7px 18px #0e071c55}.nav-link:hover{background:#ffffff12}.nav-separator{border-top:1px solid #ffffff12;margin:15px 8px 0}.logout{margin-top:auto;color:#bdb2cd;padding:12px}.main{flex:1;min-width:0}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}.profile{display:flex;align-items:center;gap:9px;font-size:13px}.topbar-logout{color:#5b21d6;font-size:12px;font-weight:600;padding:7px 10px;border:1px solid #ded8e8;border-radius:7px;background:#fff}.topbar-logout:hover{background:#f5f1fc}.avatar{width:32px;height:32px;border-radius:50%;background:#e8ddff;color:#5b21d6;display:grid;place-items:center;font-weight:700;font-size:11px}.chevron{color:#999}.content{padding:30px;max-width:1500px;margin:auto}.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.page-head h1{font-size:25px;margin:0 0 5px}.muted{color:var(--muted);font-size:13px}.filters,.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:20px}.filters input,.toolbar input{flex:1}.filters select{min-width:180px}.toolbar form{display:flex;gap:8px;flex:1}.field{margin-bottom:15px}.field label,label{display:block;font-size:12px;font-weight:600;margin-bottom:7px;color:#40384d}input,select{width:100%;border:1px solid #dcd6e8;background:#fff;border-radius:7px;padding:11px 12px;font:inherit;font-size:13px;outline:none}input:focus,select:focus{border-color:#8b5cf6;box-shadow:0 0 0 3px #8b5cf61c}.btn{border:0;border-radius:7px;padding:10px 15px;font-weight:600;font-size:12px;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;gap:5px}.btn.primary{background:linear-gradient(135deg,#6828df,#5420c7);color:#fff}.btn.secondary{background:#f1eef8;color:#4e4161}.btn.full{width:100%;padding:12px}.btn.disabled{background:#ddd9e4;color:#aaa;cursor:not-allowed;width:100%}.btn.outline-danger{background:#fff;border:1px solid #fca5a5;color:#dc2626}.btn.small{padding:7px 10px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,220px));gap:17px;align-items:start;justify-content:start}.book-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;box-shadow:0 2px 7px #20123608;transition:.15s}.book-card:hover{transform:translateY(-2px);box-shadow:0 10px 25px #20123612}.book-card.unavailable{opacity:.65;filter:saturate(.2)}.cover-wrap{height:210px;min-width:0;background:#f1eff5;border-radius:7px;overflow:hidden;display:grid;place-items:center;position:relative}.cover{width:100%;height:100%;min-width:0;min-height:0;object-fit:cover}.placeholder{color:#8c82a0;font-size:44px}.placeholder small{display:block;font-size:10px}.book-info{padding:12px 4px 4px}.book-info h3{font-size:14px;margin:0 0 4px}.book-info p{font-size:11px;color:#777;margin:0 0 8px}.tag{display:inline-block;background:#f0ebfb;color:#6443a2;border-radius:20px;padding:3px 8px;font-size:10px}.status{font-size:11px;margin:10px 0}.dot{width:7px;height:7px;border-radius:50%;display:inline-block;margin-right:5px}.green{background:#22c55e}.red{background:#ef4444}.book-card .btn{width:100%}.table-card,.form-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 2px 7px #20123608}table{border-collapse:collapse;width:100%;font-size:12px}th{text-align:left;background:#fbfafc;color:#736b80;font-size:10px;text-transform:uppercase;letter-spacing:.04em;padding:12px 15px;border-bottom:1px solid var(--line)}td{padding:12px 15px;border-bottom:1px solid #f0edf4;vertical-align:middle}tr:last-child td{border-bottom:0}.book-cell{display:flex;align-items:center;gap:10px}.book-cell img,.thumb{width:34px;height:46px;object-fit:cover;border-radius:4px}.book-cell small{display:block;color:#8a8292;margin-top:3px}.badge{padding:4px 8px;border-radius:15px;background:#eeeaf2;color:#6b6173;font-size:10px}.badge.success{background:#dcfce7;color:#15803d}.danger-badge{background:#fee2e2;color:#b91c1c}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:20px}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;display:flex;align-items:center;gap:13px}.stat>span{width:39px;height:39px;border-radius:10px;background:#f0eaff;color:#6327d4;display:grid;place-items:center}.stat strong{display:block;font-size:23px}.stat small{color:#777;font-size:11px}.dashboard-grid{display:grid;grid-template-columns:2fr 1fr;gap:20px}.card-head{display:flex;justify-content:space-between;align-items:center;padding:17px 18px;border-bottom:1px solid var(--line)}.card-head h2,.form-card h2{font-size:14px;margin:0}.card-head a{font-size:11px;color:#6426d5}.popular{list-style:none;margin:0;padding:7px 18px}.popular li{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid #f0edf4;font-size:12px}.popular strong{color:#6327d4}.two-col{display:grid;grid-template-columns:2fr 1fr;gap:20px}.form-card{padding:20px}.form-stack{min-width:0}.book-edit-grid{display:grid;grid-template-columns:230px 1fr;gap:28px;align-items:start}.upload{min-height:220px;border:1.5px dashed #cfc6df;border-radius:9px;background:#faf9fc;display:grid;place-items:center;text-align:center;color:#7250b7;cursor:pointer;padding:15px}.upload input{display:none}.small-upload{min-height:48px;margin-top:10px}.edit-cover{width:190px;height:250px;object-fit:cover;border-radius:8px}.icon-btn{display:inline-grid;place-items:center;width:30px;height:30px;border:1px solid #ded8e8;background:#fff;border-radius:6px;color:#5b21d6;cursor:pointer}.icon-btn.danger{color:#ef4444;margin-left:5px}.inline{display:inline}.modal-static{margin-top:20px}.modal-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;max-width:800px}.modal-backdrop{position:fixed;inset:0;background:#170c2a88;display:grid;place-items:center;padding:20px;z-index:20}.modal-backdrop[hidden]{display:none}.modal{position:relative;background:#fff;border-radius:12px;width:min(560px,100%);padding:25px;box-shadow:0 25px 70px #12072155}.modal-close{position:absolute;right:14px;top:12px;border:0;background:none;font-size:24px;color:#777;cursor:pointer}.modal-book{display:flex;gap:16px;align-items:center;margin-bottom:22px}.modal-cover{width:80px;height:105px;object-fit:cover;border-radius:6px;background:#eee}.modal-book h2{font-size:19px;margin:0 0 14px}.modal-book h3{font-size:14px;margin:0 0 4px}.radio-line{display:flex;gap:9px;align-items:flex-start;margin:12px 0}.radio-line input{width:auto;margin-top:2px}.radio-line small{display:block;color:#999;font-weight:400;margin-top:3px}.date-input{margin-left:25px;width:calc(100% - 25px)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:25px}.empty{text-align:center!important;padding:35px!important;color:#8a8292}.flash{padding:11px 15px;border-radius:7px;margin-bottom:18px;font-size:12px}.flash.success{background:#dcfce7;color:#166534}.flash.danger{background:#fee2e2;color:#991b1b}.flash.warning{background:#fef3c7;color:#92400e}.floating{position:fixed;top:20px;right:20px;z-index:50}.auth-page{min-height:100vh;display:grid;place-items:center;padding:25px;position:relative;overflow:hidden;background:linear-gradient(135deg,#251044,#5b21d6)}.auth-background{position:absolute;inset:-10%;background:radial-gradient(circle at 20% 30%,#9b5cff55,transparent 30%),radial-gradient(circle at 80% 70%,#2e106555,transparent 35%);filter:blur(4px)}.auth-card{position:relative;background:#fff;width:min(390px,100%);padding:36px;border-radius:13px;box-shadow:0 25px 70px #13062455;text-align:center}.setup-card{width:min(520px,100%)}.book-logo{width:50px;height:50px;border-radius:14px;background:#eee7ff;color:#5b21d6;display:grid;place-items:center;font-size:29px;margin:0 auto 15px}.auth-card h1{font-size:22px;margin:0 0 7px}.auth-card .muted{margin-bottom:24px}.auth-card form{text-align:left}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.auth-card .btn{margin-top:8px}.checkbox{display:flex;align-items:center;gap:7px}.checkbox input{width:auto}.modal-static{scroll-margin-top:30px}@media(max-width:900px){.sidebar{width:70px}.brand div:not(.brand-icon),.nav-link span,.logout span,.nav-label{display:none}.nav-link{justify-content:center}.stats{grid-template-columns:1fr 1fr}.dashboard-grid,.two-col{grid-template-columns:1fr}.content{padding:20px}.topbar{padding:0 20px}.book-edit-grid{grid-template-columns:1fr}.edit-cover{width:150px;height:200px}}@media(max-width:600px){.stats{grid-template-columns:1fr}.filters,.toolbar{flex-wrap:wrap}.filters input,.toolbar form{width:100%;flex-basis:100%}.book-grid{grid-template-columns:repeat(2,1fr)}.cover-wrap{height:170px}.form-row{grid-template-columns:1fr}.auth-card{padding:28px}}
/* Reservation improvements - keep V1 visual language */
.multi-check{display:none;position:absolute;top:10px;left:10px;z-index:3}.multi-check input{position:absolute;opacity:0;width:27px;height:27px;margin:0;cursor:pointer}.multi-check span{display:grid;place-items:center;width:27px;height:27px;border:2px solid #d8d1e4;border-radius:7px;background:#fff;box-shadow:0 3px 8px #20123620}.multi-check input:checked+span{background:#5b21d6;border-color:#5b21d6}.multi-check input:checked+span:after{content:'✓';color:#fff;font-weight:800}.multi-mode .multi-check{display:block;cursor:pointer}.multi-mode .multi-check input:focus-visible+span{outline:3px solid #8b5cf655;outline-offset:2px}.multi-mode .book-card:not(.unavailable){cursor:pointer}.multi-mode .book-card:not(.unavailable):hover{transform:translateY(-2px);box-shadow:0 10px 25px #20123612}.multi-bar{position:fixed;left:250px;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 25px #20123618;padding:13px 30px;display:flex;align-items:center;justify-content:center;gap:18px;z-index:15}.multi-bar[hidden]{display:none}.multi-bar strong{font-size:13px}@media(max-width:900px){.multi-bar{left:70px}}@media(max-width:600px){.multi-bar{left:0;flex-direction:column;padding:12px 15px}.multi-bar .btn{width:100%}}
/* Small book cards: keep the V1 visual language while preventing oversized covers. */
.book-grid{grid-template-columns:repeat(auto-fill,190px);gap:17px;justify-content:start}
.book-card{width:190px;box-sizing:border-box}
.cover-wrap{width:168px;height:225px;margin:0 auto}
.cover{width:100%;height:100%;object-fit:contain}
.upload-cover{width:230px;height:280px;box-sizing:border-box;position:relative;overflow:hidden}
.upload-preview{width:100%;height:100%;object-fit:contain;border-radius:7px;display:block}
.category-edit-form{display:inline-flex;gap:8px;align-items:center;margin:0}
.category-edit-form input{width:210px;padding:7px 9px}
@media(max-width:600px){.book-grid{grid-template-columns:repeat(2,minmax(0,190px))}.book-card{width:100%}.cover-wrap{width:100%;height:210px}.upload-cover{width:100%;max-width:230px}}

/* Final book grid fix: fixed compact cards, always laid out horizontally. */
.book-grid{display:grid !important;grid-template-columns:repeat(auto-fill,minmax(190px,190px)) !important;gap:17px !important;align-items:start !important;justify-content:start !important;}
.book-grid .book-card{width:190px !important;max-width:190px !important;min-width:190px !important;overflow:hidden !important;}
.book-grid .cover-wrap{width:168px !important;height:225px !important;min-width:168px !important;max-width:168px !important;min-height:225px !important;max-height:225px !important;overflow:hidden !important;flex:0 0 225px !important;}
.book-grid .cover-wrap .cover{display:block !important;width:100% !important;height:100% !important;max-width:100% !important;max-height:100% !important;object-fit:contain !important;}
@media(max-width:600px){.book-grid{grid-template-columns:repeat(2,190px) !important;}.book-grid .book-card{width:190px !important;max-width:190px !important;min-width:0 !important;}.book-grid .cover-wrap{width:168px !important;height:210px !important;min-width:168px !important;max-width:168px !important;min-height:210px !important;max-height:210px !important;}}

/* Dynamic book-name filter: keep the search field visible beside the category filter. */
.filters .book-search{flex:1 1 420px !important;min-width:260px !important;width:auto !important;}
.filters select{flex:0 0 300px;min-width:220px;}
@media(max-width:600px){.filters .book-search{flex:1 1 100% !important;min-width:0 !important;}.filters select{flex:1 1 100%;}}

/* V12: requested layout-only fixes. */
.admin-books-layout{display:flex;flex-direction:column;gap:20px;}
.admin-books-layout>.form-card,.admin-books-layout>.table-card{width:100%;}
.date-input{margin-left:0;width:135px;display:inline-block;}
.radio-line .date-input{margin-top:-3px;}
@media(max-width:600px){.date-input{width:100%;margin-top:6px !important;}.radio-line{flex-wrap:wrap;}.radio-line>div{flex:1;min-width:0;}}