/* File: /public_html/assets/css/library.css */
:root{
  --lib-primary:#3D1A6E;--lib-primary-dark:#280F4A;--lib-accent:#D4A800;
  --lib-bg:#F4F2F9;--lib-card:#fff;--lib-border:#E0DDF0;
  --color-success:#16A34A;--color-warning:#D97706;--color-danger:#DC2626;
  --color-text:#1A1A1A;--color-text-muted:#6B7280;--color-border:#E5E7EB;
  --font-ui:system-ui,-apple-system,sans-serif;--radius:10px;--shadow:0 4px 16px rgba(30,58,95,.1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font-ui);background:var(--lib-bg);color:var(--color-text);min-height:100vh}
a{color:var(--lib-accent);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
/* HEADER */
.lib-header{background:var(--lib-primary);color:#fff;padding:0 20px}
.lib-nav{max-width:1100px;margin:0 auto;height:64px;display:flex;align-items:center;gap:16px}
.lib-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.05rem;text-decoration:none}
.lib-logo img{height:40px}
.lib-nav-links{display:flex;gap:4px;margin-left:auto}
.lib-nav-links a{color:rgba(255,255,255,.8);padding:6px 14px;border-radius:4px;font-size:.9rem;transition:.15s}
.lib-nav-links a:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
/* CONTAINER */
.lib-container{max-width:1100px;margin:0 auto;padding:40px 20px}
/* HERO */
.lib-hero{position:relative;background:linear-gradient(135deg,rgba(40,15,74,.88) 0%,rgba(61,26,110,.75) 100%),url('/assets/img/lib-hero-bg.jpg') center center/cover no-repeat;color:#fff;padding:80px 20px;text-align:center;min-height:360px;display:flex;align-items:center;justify-content:center;}
.lib-hero h1{font-size:2.2rem;margin-bottom:10px}
.lib-hero p{font-size:1.05rem;opacity:.85;max-width:540px;margin:0 auto 24px}
/* BOOK GRID */
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:24px}
.book-card{background:var(--lib-card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .2s}
.book-card:hover{transform:translateY(-4px)}
.book-cover{width:100%;height:270px;object-fit:cover}
.book-cover-placeholder{width:100%;height:270px;background:linear-gradient(135deg,var(--lib-primary),var(--lib-accent));display:flex;align-items:center;justify-content:center;font-size:3.5rem;color:rgba(255,255,255,.7)}
.book-info{padding:16px}
.book-title{font-weight:700;font-size:.95rem;margin-bottom:4px;line-height:1.3}
.book-author{font-size:.82rem;color:var(--color-text-muted);margin-bottom:10px}
.book-meta{display:flex;gap:8px;font-size:.78rem;color:var(--color-text-muted);margin-bottom:12px;flex-wrap:wrap}
.book-btn{display:block;text-align:center;padding:8px;border-radius:6px;font-size:.85rem;font-weight:600;transition:.15s;text-decoration:none;cursor:pointer;border:none;width:100%}
.book-btn-start{background:var(--color-success);color:#fff}
.book-btn-continue{background:var(--lib-accent);color:#fff}
.book-btn-quiz{background:var(--color-warning);color:#fff}
.book-btn-pending{background:#f3f4f6;color:#9ca3af;cursor:not-allowed}
.book-btn-done{background:#dcfce7;color:#166534;cursor:not-allowed}
.book-btn-rejected{background:transparent;color:var(--color-danger);border:2px solid var(--color-danger)}
/* READER */
.reader-wrap{display:flex;flex-direction:column;height:100vh;overflow:hidden;background:#2d2d2d}
.reader-bar{background:#1a1a1a;color:#fff;padding:0 20px;height:56px;display:flex;align-items:center;gap:16px;flex-shrink:0}
.reader-bar-title{font-size:.95rem;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.reader-bar-controls{display:flex;align-items:center;gap:10px}
.reader-btn{background:rgba(255,255,255,.1);color:#fff;border:none;padding:6px 14px;border-radius:4px;cursor:pointer;font-size:.85rem;transition:.15s}
.reader-btn:hover{background:rgba(255,255,255,.2)}
.reader-canvas-wrap{flex:1;overflow:auto;display:flex;flex-direction:column;align-items:center;padding:20px 0}
.reader-footer{background:#1a1a1a;padding:12px 20px;display:flex;justify-content:center}
/* QUIZ */
.quiz-wrap{max-width:700px;margin:40px auto;padding:0 20px}
.quiz-progress{background:#e5e7eb;border-radius:20px;height:8px;margin-bottom:28px;overflow:hidden}
.quiz-progress-fill{height:100%;background:var(--lib-accent);border-radius:20px;transition:width .4s}
.quiz-question{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);margin-bottom:20px}
.quiz-question h3{font-size:1.05rem;margin-bottom:20px;line-height:1.5}
.quiz-option{display:flex;align-items:center;gap:12px;padding:12px 16px;border:2px solid var(--color-border);border-radius:8px;margin-bottom:10px;cursor:pointer;transition:.15s}
.quiz-option:hover{border-color:var(--lib-accent);background:#eff6ff}
.quiz-option input{width:auto;flex-shrink:0}
.quiz-option.selected{border-color:var(--lib-accent);background:#eff6ff}
/* LEADERBOARD */
.leaderboard-table{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.lb-row{display:grid;grid-template-columns:60px 1fr repeat(3,100px);align-items:center;padding:14px 20px;border-bottom:1px solid var(--color-border);gap:12px}
.lb-row:last-child{border-bottom:none}
.lb-row.header{background:var(--lib-primary);color:#fff;font-size:.82rem;font-weight:700;text-transform:uppercase}
.lb-rank{font-size:1.3rem;font-weight:800;text-align:center}
.lb-rank.gold{color:#D4A017}
.lb-rank.silver{color:#94a3b8}
.lb-rank.bronze{color:#b45309}
.lb-row.rank-1{background:#fffbeb;border-left:4px solid #D4A017}
.lb-row.rank-2{background:#f8fafc;border-left:4px solid #94a3b8}
.lb-row.rank-3{background:#fefce8;border-left:4px solid #b45309}
/* DASHBOARD */
.dashboard-greeting{font-size:1.6rem;font-weight:700;margin-bottom:24px;color:var(--lib-primary)}
.lib-stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:32px}
.lib-stat{background:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);border-top:4px solid var(--lib-accent);text-align:center}
.lib-stat .val{font-size:2rem;font-weight:800;color:var(--lib-primary)}
.lib-stat .lbl{font-size:.85rem;color:var(--color-text-muted);margin-top:4px}
/* FORMS */
.lib-form{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);max-width:500px;margin:40px auto}
.lib-form h2{font-size:1.5rem;color:var(--lib-primary);margin-bottom:8px}
.lib-form p{color:var(--color-text-muted);margin-bottom:24px;font-size:.95rem}
.form-group{margin-bottom:18px}
label{display:block;font-weight:600;margin-bottom:5px;font-size:.88rem}
input[type=text],input[type=email],input[type=password],input[type=tel],input[type=number],select,textarea{width:100%;padding:10px 14px;border:1px solid var(--color-border);border-radius:6px;font-size:.95rem;font-family:var(--font-ui)}
input:focus,select:focus{outline:none;border-color:var(--lib-accent);box-shadow:0 0 0 3px rgba(59,130,246,.1)}
.lib-btn{display:block;width:100%;padding:12px;border-radius:6px;background:var(--lib-primary);color:#fff;border:none;font-size:1rem;font-weight:600;cursor:pointer;text-align:center;transition:.15s}
.lib-btn:hover{background:var(--lib-primary-dark);text-decoration:none}
.lib-btn-outline{background:transparent;border:2px solid var(--lib-primary);color:var(--lib-primary)}
.lib-btn-outline:hover{background:var(--lib-primary);color:#fff}
/* ALERT */
.alert{padding:12px 18px;border-radius:8px;margin-bottom:20px;font-size:.9rem}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.alert-info{background:#ede9fe;color:#4c1d95;border:1px solid #ddd6fe}
/* SECTION CARDS */
.lib-section{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.lib-section h3{font-size:1.05rem;font-weight:700;color:var(--lib-primary);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--lib-bg)}
.reading-item{display:flex;align-items:center;gap:16px;padding:10px 0;border-bottom:1px solid var(--color-border)}
.reading-item:last-child{border-bottom:none}
.reading-item-cover{width:44px;height:60px;object-fit:cover;border-radius:4px;flex-shrink:0}
.reading-item-info{flex:1}
.reading-item-info .title{font-weight:600;font-size:.92rem}
.reading-item-info .meta{font-size:.8rem;color:var(--color-text-muted);margin-top:2px}
/* PENDING PAGE */
.pending-box{max-width:500px;margin:80px auto;text-align:center;padding:40px 20px}
.pending-box .icon{font-size:4rem;margin-bottom:20px}
.pending-box h2{color:var(--lib-primary);margin-bottom:12px}
/* FILTER */
.lib-filters{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap;align-items:center}
.lib-filters select,.lib-filters input{padding:8px 12px;border:1px solid var(--color-border);border-radius:6px;font-size:.9rem;background:#fff}
.lib-filters input{flex:1;min-width:200px}
/* BADGE */
.status-badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
.status-reading{background:#ede9fe;color:#4c1d95}
.status-pending{background:#fef3c7;color:#92400e}
.status-approved{background:#dcfce7;color:#166534}
.status-rejected{background:#fee2e2;color:#991b1b}
/* FOOTER */
.lib-footer{background:var(--lib-primary);color:rgba(255,255,255,.7);text-align:center;padding:20px;font-size:.85rem;margin-top:auto}
@media(max-width:768px){
  .book-grid{grid-template-columns:repeat(2,1fr)}
  .lb-row{grid-template-columns:50px 1fr 80px}
  .lb-row .lb-col-hide{display:none}
  .lib-stats-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .book-grid{grid-template-columns:1fr}
  .lib-stats-row{grid-template-columns:1fr}
}