/* =============================================
   ŠKOLNÍ KNIHOVNA v2 — Stylesheet
   Academic · Warm · Literary
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Lato:wght@300;400;700&display=swap');

:root {
    --bg:        #f7f3ee;
    --bg2:       #efe9df;
    --bg3:       #e5ddd0;
    --surface:   #fdfaf6;
    --border:    #d4c9b8;
    --text:      #2c2418;
    --text2:     #6b5c47;
    --text3:     #a0906f;
    --accent:    #7c4f1a;
    --accent2:   #c17f3c;
    --accent3:   #e8c98a;
    --green:     #3a6b42;
    --green2:    #d4edda;
    --red:       #8b2020;
    --blue:      #1a3a5c;
    --star:      #d4a017;
    --drama:     #5c2d7c;
    --poetry:    #1a5c3a;
    --shadow:    rgba(60,40,10,0.12);
    --shadow2:   rgba(60,40,10,0.22);
    --radius:    10px;
    --radius-lg: 18px;
    --fh:        'Playfair Display', Georgia, serif;
    --fb:        'Lato', sans-serif;
    --trans:     0.2s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--fb);background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.65;}
::-webkit-scrollbar{width:8px;}
::-webkit-scrollbar-track{background:var(--bg2);}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}

/* ── HEADER ───────────────────────────────── */
header{background:var(--text);color:var(--accent3);position:sticky;top:0;z-index:100;box-shadow:0 2px 16px var(--shadow2);}
.header-inner{max-width:1280px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:20px;min-height:62px;}
.logo{font-family:var(--fh);font-size:1.35rem;font-style:italic;color:var(--accent3);cursor:pointer;flex-shrink:0;}
.logo span{margin-right:6px;}
nav{display:flex;gap:4px;flex:1;align-items:center;}
nav a{color:var(--bg3);text-decoration:none;font-size:0.85rem;font-weight:700;letter-spacing:0.05em;text-transform:uppercase;padding:6px 12px;border-radius:6px;transition:background var(--trans),color var(--trans);}
nav a:hover{background:rgba(255,255,255,0.09);color:#fff;}
#nav-user{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.nav-username{font-size:0.83rem;color:var(--accent3);}

/* ── LAYOUT ───────────────────────────────── */
main{max-width:1280px;margin:0 auto;padding:28px 24px 80px;}
.page{display:none;}
.page.active{display:block;animation:fadeIn 0.28s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}

/* ── HOME HERO ────────────────────────────── */
.home-hero{background:linear-gradient(135deg,var(--text) 0%,#4a341c 100%);border-radius:var(--radius-lg);padding:42px 48px;margin-bottom:28px;position:relative;overflow:hidden;color:var(--accent3);}
.home-hero::before{content:'📖';position:absolute;right:48px;top:50%;transform:translateY(-50%);font-size:6rem;opacity:0.07;}
.home-hero h1{font-family:var(--fh);font-size:2.2rem;font-style:italic;margin-bottom:8px;}
.home-hero p{color:var(--bg3);max-width:540px;font-size:1rem;}

/* ── CATEGORY TABS ────────────────────────── */
.cat-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.cat-tab{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:7px 14px;cursor:pointer;font-family:var(--fb);font-size:0.82rem;color:var(--text2);transition:all var(--trans);text-align:left;}
.cat-tab:hover{border-color:var(--accent2);color:var(--accent);}
.cat-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;}
.cat-code{font-weight:900;margin-right:6px;font-size:0.95em;}

/* ── SEARCH BAR ───────────────────────────── */
.search-bar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.search-bar input{flex:1;min-width:200px;padding:11px 16px;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);font-size:0.97rem;font-family:var(--fb);transition:border-color var(--trans);}
.search-bar input:focus{border-color:var(--accent2);outline:none;}
.search-bar select{padding:11px 14px;border:2px solid var(--border);border-radius:var(--radius);background:var(--surface);font-family:var(--fb);font-size:0.9rem;cursor:pointer;}

/* ── CAT SECTION ──────────────────────────── */
.cat-section{margin-bottom:40px;}
.cat-heading{font-family:var(--fh);font-size:1.25rem;margin-bottom:16px;display:flex;align-items:center;gap:10px;color:var(--text);padding-bottom:10px;border-bottom:2px solid var(--border);}
.cat-code-badge{background:var(--accent);color:#fff;font-size:0.8rem;font-weight:900;padding:3px 10px;border-radius:6px;font-family:var(--fb);flex-shrink:0;}
.books-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:18px;}

/* ── BOOK CARD ────────────────────────────── */
.book-card{background:var(--surface);border-radius:var(--radius-lg);border:1.5px solid var(--border);overflow:hidden;cursor:pointer;transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);display:flex;flex-direction:column;}
.book-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px var(--shadow2);border-color:var(--accent2);}
.book-cover-wrap{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--bg2);}
.book-cover{width:100%;height:100%;object-fit:cover;transition:transform 0.35s ease;display:block;}
.book-card:hover .book-cover{transform:scale(1.04);}
.fmt-tag{position:absolute;font-size:0.65rem;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;padding:2px 7px;border-radius:20px;}
.fmt-tag.drama{top:8px;left:8px;background:rgba(92,45,124,0.88);color:#f0e6ff;}
.fmt-tag.poetry{top:8px;right:8px;background:rgba(26,92,58,0.88);color:#e6f5ec;}
.book-info{padding:12px 12px 14px;flex:1;display:flex;flex-direction:column;gap:3px;}
.book-title{font-family:var(--fh);font-size:0.9rem;font-weight:700;line-height:1.3;color:var(--text);}
.book-author{font-size:0.78rem;color:var(--text2);}
.book-rating{display:flex;align-items:center;gap:4px;margin-top:4px;font-size:0.88em;}
.rating-val{font-size:0.78rem;color:var(--text2);font-weight:700;}
.review-cnt{font-size:0.72rem;color:var(--text3);}
.keywords-row{display:flex;flex-wrap:wrap;gap:3px;margin-top:5px;}
.keyword{background:var(--bg2);color:var(--accent);font-size:0.68rem;padding:2px 7px;border-radius:20px;border:1px solid var(--border);}

/* ── STARS ────────────────────────────────── */
.star{font-size:1.05em;color:var(--border);}
.star.filled,.star.half{color:var(--star);}

/* ── BUTTONS ──────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:5px;padding:9px 20px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--fb);font-size:0.9rem;font-weight:700;cursor:pointer;text-decoration:none;transition:background var(--trans),box-shadow var(--trans);}
.btn:hover{background:var(--accent2);box-shadow:0 3px 12px rgba(193,127,60,0.22);}
.btn:active{transform:scale(0.97);}
.btn-outline{background:transparent;color:var(--accent);border:2px solid var(--accent);}
.btn-outline:hover{background:var(--accent);color:#fff;}
.btn-danger{background:var(--red);}
.btn-danger:hover{background:#a02525;}
.btn-sm{padding:4px 10px;font-size:0.78rem;}
.btn-large{padding:12px 30px;font-size:1rem;}
.btn-back{margin-bottom:18px;background:none;border:none;color:var(--accent);cursor:pointer;font-size:0.93rem;font-weight:700;padding:0;display:inline-flex;align-items:center;gap:4px;transition:color var(--trans);}
.btn-back:hover{color:var(--accent2);}
.in-list{background:var(--green)!important;border-color:var(--green)!important;color:#fff!important;}

/* ── BOOK DETAIL ──────────────────────────── */
.cat-breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.82rem;color:var(--text3);margin-bottom:16px;}
.book-detail-header{display:grid;grid-template-columns:260px 1fr;gap:44px;margin-bottom:44px;align-items:start;}
@media(max-width:700px){.book-detail-header{grid-template-columns:1fr;}}
.book-detail-cover img{width:100%;border-radius:var(--radius-lg);box-shadow:0 8px 28px var(--shadow2);border:2px solid var(--border);}
.detail-cover-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}
.book-detail-info{padding-top:6px;}
.detail-tags{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;}
.detail-tags .fmt-tag{position:static;font-size:0.72rem;}
.detail-genre{background:var(--accent);color:#fff;font-size:0.72rem;font-weight:700;text-transform:uppercase;letter-spacing:0.07em;padding:3px 11px;border-radius:20px;}
.book-detail-info h1{font-family:var(--fh);font-size:2.2rem;line-height:1.2;margin-bottom:4px;}
.orig-title{font-family:var(--fh);font-size:1.1rem;font-style:italic;color:var(--text3);margin-bottom:10px;}
.detail-author{font-size:1rem;color:var(--text2);margin-bottom:14px;}
.detail-meta{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:10px;}
.meta-item{display:flex;gap:5px;align-items:center;font-size:0.88rem;color:var(--text2);}
.detail-stars{display:flex;gap:2px;font-size:1.4em;margin-bottom:14px;}
.detail-description{color:var(--text2);line-height:1.7;margin-bottom:14px;max-width:560px;}
.keywords-section{margin-top:10px;}
.kw-label{font-size:0.78rem;color:var(--text3);font-weight:700;text-transform:uppercase;letter-spacing:0.05em;display:block;margin-bottom:5px;}
.lib-actions{display:flex;gap:7px;flex-wrap:wrap;}

/* ── REVIEWS ──────────────────────────────── */
.reviews-section{border-top:2px solid var(--border);padding-top:32px;}
.reviews-section h2{font-family:var(--fh);font-size:1.7rem;margin-bottom:24px;}
.review-form{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:28px;}
.review-form h3{font-family:var(--fh);margin-bottom:14px;}
.star-rating-input{display:flex;align-items:center;gap:5px;margin-bottom:12px;flex-wrap:wrap;}
.star-inp{font-size:1.9rem;cursor:pointer;color:var(--border);transition:color 0.12s,transform 0.1s;user-select:none;}
.star-inp:hover,.star-inp.hovered{color:var(--accent2);transform:scale(1.13);}
.star-inp.selected{color:var(--star);}
.rating-hint{font-size:0.82rem;color:var(--text3);margin-left:5px;}
.review-form textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg);font-family:var(--fb);font-size:0.93rem;resize:vertical;transition:border-color var(--trans);margin-bottom:12px;}
.review-form textarea:focus{border-color:var(--accent2);outline:none;}
.review-form-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.draft-info{font-size:0.78rem;color:var(--text3);font-style:italic;}

.review-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:20px 22px;margin-bottom:14px;transition:border-color var(--trans);}
.review-card:hover{border-color:var(--accent2);}
.review-header{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.reviewer-avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.reviewer-info{display:flex;flex-direction:column;flex:1;}
.reviewer-info strong{font-size:0.92rem;}
.review-date{font-size:0.75rem;color:var(--text3);}
.review-stars{display:flex;gap:2px;font-size:1.05em;}
.review-actions{margin-left:auto;display:flex;gap:5px;}
.review-comment{color:var(--text2);line-height:1.68;}

.librarian-feedback{margin-top:12px;background:#fffbf0;border:1.5px solid var(--accent3);border-left:4px solid var(--accent2);border-radius:var(--radius);padding:12px 14px;}
.fb-header{font-size:0.77rem;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:5px;}
.fb-name{text-transform:none;letter-spacing:0;font-weight:400;color:var(--text3);}
.librarian-feedback p{color:var(--text);font-size:0.9rem;line-height:1.6;margin-bottom:7px;}
.fb-lib-actions{display:flex;gap:6px;}

.feedback-form-area{margin-top:12px;padding:12px 14px;background:var(--bg2);border-radius:var(--radius);border:1.5px dashed var(--border);}
.fb-textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);font-family:var(--fb);font-size:0.9rem;resize:vertical;transition:border-color var(--trans);}
.fb-textarea:focus{border-color:var(--accent2);outline:none;}
.fb-actions-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px;}

.login-prompt{background:var(--bg2);border:1.5px dashed var(--border);border-radius:var(--radius-lg);padding:18px 22px;text-align:center;color:var(--text2);margin-bottom:24px;}
.login-prompt a{color:var(--accent);font-weight:700;text-decoration:none;}

/* ── READING LIST ─────────────────────────── */
.rl-header{display:flex;align-items:flex-start;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.rl-header h1{font-family:var(--fh);font-size:2rem;flex:1 1 100%;}
.rl-progress{flex:1;}
.rl-progress-bar{height:10px;background:var(--bg3);border-radius:10px;overflow:hidden;margin-bottom:5px;}
.rl-progress-fill{height:100%;background:linear-gradient(90deg,var(--green),#6abf7b);border-radius:10px;transition:width 0.5s ease;}
.rl-progress-label{font-size:0.85rem;color:var(--text2);font-weight:700;}
.rl-empty{text-align:center;padding:60px 20px;}
.rl-empty p{color:var(--text3);font-style:italic;margin-bottom:8px;}
.rl-empty .btn{margin-top:16px;}

.rl-cat-section{margin-bottom:36px;}
.cat-progress-mini{margin-left:auto;font-size:0.78rem;background:var(--bg3);padding:2px 10px;border-radius:20px;color:var(--text2);font-family:var(--fb);}

.rl-items{display:flex;flex-direction:column;gap:8px;}
.rl-item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 14px;transition:border-color var(--trans),background var(--trans);}
.rl-item:hover{border-color:var(--accent2);}
.rl-item.rl-done{background:#f6fdf7;border-color:#a8d9b2;}

.rl-check-wrap{display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;}
.rl-checkbox{display:none;}
.rl-checkmark{width:32px;height:32px;border-radius:50%;border:2.5px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--trans);background:var(--bg);cursor:pointer;}
.rl-item.rl-done .rl-checkmark{border-color:var(--green);background:var(--green2);color:var(--green);}
.rl-check-wrap:hover .rl-checkmark{border-color:var(--accent2);}

.rl-book-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0;}
.rl-cover{width:36px;height:50px;object-fit:cover;border-radius:4px;border:1px solid var(--border);flex-shrink:0;}
.rl-text{display:flex;flex-direction:column;gap:2px;min-width:0;}
.rl-title{font-size:0.92rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rl-author{font-size:0.78rem;color:var(--text3);}
.rl-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:2px;}
.rl-reviewed{font-size:0.7rem;color:var(--green);font-weight:700;}
.rl-remove{margin-left:auto;flex-shrink:0;opacity:0.4;transition:opacity var(--trans);}
.rl-item:hover .rl-remove{opacity:1;}

/* ── AUTH ─────────────────────────────────── */
.auth-page{display:flex;justify-content:center;padding:20px 0 60px;}
.auth-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:38px 42px;width:100%;max-width:420px;box-shadow:0 8px 28px var(--shadow);}
.auth-card h1{font-family:var(--fh);font-size:1.9rem;margin-bottom:22px;}
.auth-card label{display:block;font-size:0.78rem;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:4px;margin-top:14px;}
.auth-card input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg);font-family:var(--fb);font-size:0.95rem;transition:border-color var(--trans);}
.auth-card input:focus{border-color:var(--accent2);outline:none;}
.auth-card .btn{width:100%;justify-content:center;margin-top:20px;}
.auth-switch{text-align:center;margin-top:14px;font-size:0.86rem;color:var(--text2);}
.auth-switch a{color:var(--accent);font-weight:700;text-decoration:none;}
.demo-hint{margin-top:18px;padding:12px 14px;background:#fff9e8;border:1px solid var(--accent3);border-radius:var(--radius);font-size:0.81rem;color:var(--text2);line-height:1.6;}
.demo-hint code{background:var(--bg3);padding:1px 6px;border-radius:4px;}

/* ── ADD BOOK FORM ────────────────────────── */
#page-add-book h1{font-family:var(--fh);font-size:2rem;margin-bottom:24px;}
.book-form{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:32px;max-width:880px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
@media(max-width:600px){.form-grid{grid-template-columns:1fr;}}
.form-group{display:flex;flex-direction:column;gap:4px;}
.form-group.full{grid-column:1/-1;}
.form-group.check-row{flex-direction:row;gap:20px;align-items:center;grid-column:1/-1;flex-wrap:wrap;}
.form-group label{font-size:0.77rem;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:0.05em;}
.form-group input,.form-group select,.form-group textarea{padding:9px 13px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg);font-family:var(--fb);font-size:0.91rem;transition:border-color var(--trans);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent2);outline:none;}
.form-group input[type="checkbox"]{width:auto;margin-right:6px;}
.cover-upload-area{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-top:5px;}
.cover-preview-wrap{width:110px;height:148px;border-radius:var(--radius);overflow:hidden;background:var(--bg2);border:1.5px solid var(--border);flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.cover-preview{width:100%;height:100%;object-fit:cover;}
.cover-preview.hidden{display:none;}
.cover-placeholder{font-size:0.75rem;color:var(--text3);text-align:center;padding:10px;}
.file-input{display:none;}

/* ── MODAL ────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(30,20,8,0.52);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-overlay.hidden{display:none;}
.modal-box{background:var(--surface);border-radius:var(--radius-lg);border:1.5px solid var(--border);padding:32px;width:100%;max-width:500px;position:relative;box-shadow:0 14px 56px rgba(0,0,0,0.32);animation:fadeIn 0.22s ease;}
.modal-box.large{max-width:800px;max-height:90vh;overflow-y:auto;}
.modal-box h2{font-family:var(--fh);font-size:1.5rem;margin-bottom:18px;}
.modal-close{position:absolute;top:14px;right:14px;background:none;border:none;font-size:1.25rem;cursor:pointer;color:var(--text3);line-height:1;transition:color var(--trans);}
.modal-close:hover{color:var(--red);}
.modal-buttons{display:flex;gap:9px;margin-top:14px;}
.modal-box textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg);font-family:var(--fb);font-size:0.92rem;resize:vertical;min-height:90px;transition:border-color var(--trans);}
.modal-box textarea:focus{border-color:var(--accent2);outline:none;}

/* ── ROLE BADGES ──────────────────────────── */
.role-badge{display:inline-flex;align-items:center;gap:4px;font-size:0.73rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;padding:3px 9px;border-radius:20px;}
.role-badge.librarian{background:var(--accent3);color:var(--text);}
.role-badge.student{background:rgba(255,255,255,0.11);color:var(--accent3);}

/* ── TOAST ────────────────────────────────── */
#toast-container{position:fixed;bottom:26px;right:26px;z-index:500;display:flex;flex-direction:column;gap:8px;}
.toast{background:var(--text);color:var(--accent3);padding:11px 20px;border-radius:var(--radius);font-size:0.88rem;font-weight:700;box-shadow:0 5px 20px rgba(0,0,0,0.28);transform:translateX(120%);opacity:0;transition:transform 0.32s cubic-bezier(0.34,1.56,0.64,1),opacity 0.32s ease;max-width:300px;}
.toast.show{transform:none;opacity:1;}
.toast-success{background:var(--green);color:#e6f5e8;}
.toast-error{background:var(--red);color:#fde;}
.toast-info{background:var(--blue);color:#c8e0f7;}

/* ── LOADING / EMPTY ──────────────────────── */
.loading-spinner{width:38px;height:38px;border:3px solid var(--border);border-top-color:var(--accent2);border-radius:50%;animation:spin 0.75s linear infinite;margin:50px auto;}
.loading-spinner.big{width:60px;height:60px;margin:90px auto;}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;color:var(--text3);padding:50px 20px;font-style:italic;font-family:var(--fh);font-size:1.05rem;}
.error{color:var(--red);padding:18px;font-weight:700;}

/* ── RESPONSIVE ───────────────────────────── */
@media(max-width:760px){
    .header-inner{flex-wrap:wrap;padding:10px 14px;min-height:auto;gap:8px;}
    main{padding:16px 12px 60px;}
    .home-hero{padding:28px 20px;}
    .home-hero h1{font-size:1.6rem;}
    .auth-card{padding:26px 18px;}
    .book-form{padding:20px 16px;}
    .books-row{grid-template-columns:repeat(auto-fill,minmax(145px,1fr));gap:14px;}
    .rl-header{gap:12px;}
}

/* =============================================
   v3 ADDITIONS: výpůjčky, stats, přezdívka
   ============================================= */

/* ── HOMEPAGE STATS ───────────────────────── */
.stats-section { margin-bottom: 36px; }
.stats-heading {
    font-family: var(--fh); font-size: 1.35rem;
    display: flex; align-items: center; gap: 8px;
    padding-bottom: 10px; border-bottom: 2px solid var(--border);
    margin-bottom: 18px; color: var(--text);
}
.all-books-divider { margin: 12px 0 20px; }
.divider-label {
    font-family: var(--fh); font-size: 1.35rem;
    display: flex; align-items: center; gap: 10px;
    padding-bottom: 10px; border-bottom: 2px solid var(--border); color: var(--text);
}

/* Top books carousel */
.top-books-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}
.top-book-card {
    display: flex; gap: 10px; align-items: flex-start;
    background: var(--surface); border: 1.5px solid var(--border);
    border-radius: var(--radius); padding: 10px 12px; cursor: pointer;
    transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
    position: relative;
}
.top-book-card:hover { border-color: var(--accent2); transform: translateY(-2px); box-shadow: 0 6px 18px var(--shadow); }
.top-book-rank {
    position: absolute; top: 8px; left: 8px;
    font-size: 1.2rem; line-height: 1;
}
.top-book-cover {
    width: 52px; height: 72px; object-fit: cover;
    border-radius: 5px; border: 1px solid var(--border);
    flex-shrink: 0; margin-left: 24px;
}
.top-book-info { flex: 1; min-width: 0; }
.top-book-title { font-size: 0.85rem; font-weight: 700; color: var(--text); line-height: 1.3; margin-bottom: 2px; }
.top-book-author { font-size: 0.75rem; color: var(--text3); margin-bottom: 5px; }
.top-book-rating { display: flex; align-items: center; gap: 4px; font-size: 0.85em; }
.top-book-rating strong { font-size: 0.88rem; color: var(--text2); }

/* Recent reviews */
.recent-reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.recent-review-card {
    display: flex; gap: 10px; background: var(--surface);
    border: 1.5px solid var(--border); border-radius: var(--radius);
    padding: 12px 14px; cursor: pointer;
    transition: border-color var(--trans);
}
.recent-review-card:hover { border-color: var(--accent2); }
.rr-cover {
    width: 44px; height: 60px; object-fit: cover;
    border-radius: 4px; border: 1px solid var(--border); flex-shrink: 0;
}
.rr-body { flex: 1; min-width: 0; }
.rr-book { font-size: 0.82rem; font-weight: 700; color: var(--accent); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rr-stars { font-size: 0.85em; margin-bottom: 4px; }
.rr-text { font-size: 0.82rem; color: var(--text2); font-style: italic; line-height: 1.5; margin-bottom: 5px; }
.rr-meta { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--text3); }

/* ── LOAN STATUS WIDGET ───────────────────── */
.loan-status-box {
    border-radius: var(--radius); padding: 10px 14px;
    display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
    font-size: 0.85rem; margin-bottom: 12px;
    border: 1.5px solid var(--border);
}
.loan-status-box.loading { background: var(--bg2); color: var(--text3); }
.loan-available  { background: #f0faf2; border-color: #7bc98a; }
.loan-unavailable{ background: #fdf5f5; border-color: #d4a0a0; }
.loan-pending    { background: #fffbf0; border-color: var(--accent3); }
.loan-status-text { flex: 1; font-size: 0.83rem; }
.btn-loan {
    background: var(--green); color: #fff; border: none;
    padding: 7px 16px; border-radius: var(--radius);
    font-family: var(--fb); font-size: 0.85rem; font-weight: 700;
    cursor: pointer; transition: background var(--trans);
}
.btn-loan:hover { background: #2d5435; }
.loan-my-status {
    width: 100%; padding: 8px 12px; border-radius: var(--radius);
    font-size: 0.83rem; display: flex; align-items: center; gap: 10px;
    flex-wrap: wrap;
}
.loan-my-status.loaned   { background: #e8f4fd; border: 1px solid #9bcde8; }
.loan-my-status.reserved { background: #fff9e8; border: 1px solid var(--accent3); }

/* ── LOAN TABLE ───────────────────────────── */
.loan-panel h2 { font-family: var(--fh); font-size: 1.5rem; margin-bottom: 14px; }
.loan-panel h3 { font-size: 1rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin: 18px 0 10px; }

.av-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.av-stat {
    display: flex; flex-direction: column; align-items: center;
    background: var(--bg2); border: 1.5px solid var(--border);
    border-radius: var(--radius); padding: 8px 16px; min-width: 72px;
}
.av-num { font-size: 1.6rem; font-weight: 900; font-family: var(--fh); line-height: 1; }
.av-stat span:last-child { font-size: 0.72rem; color: var(--text3); text-transform: uppercase; }
.av-loaned   { border-color: #d4a0a0; background: #fdf5f5; }
.av-reserved { border-color: var(--accent3); background: #fffbf0; }
.av-queue    { border-color: #a0a0d4; background: #f5f5fd; }
.av-free     { border-color: #7bc98a; background: #f0faf2; }

.loan-table {
    width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.loan-table th {
    background: var(--text); color: var(--accent3);
    padding: 9px 12px; text-align: left; font-size: 0.78rem;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.loan-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.loan-table tr:hover td { background: var(--bg2); }
.loan-table tr.row-overdue td { background: #fff5f5; }
.action-cell { white-space: nowrap; display: flex; gap: 5px; align-items: center; }
.admin-table { margin-top: 16px; }

/* Loan badges */
.lbadge { display: inline-block; padding: 3px 9px; border-radius: 20px; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; }
.lbadge.loaned    { background: #dbeafe; color: #1e40af; }
.lbadge.loaned.overdue { background: #fee2e2; color: #991b1b; }
.lbadge.reserved  { background: #fef9c3; color: #854d0e; }
.lbadge.queue     { background: #ede9fe; color: #5b21b6; }
.lbadge.returned  { background: var(--green2); color: var(--green); }
.lbadge.cancelled { background: var(--bg3); color: var(--text3); }

.loan-history { margin-top: 16px; }
.loan-history summary { cursor: pointer; font-size: 0.9rem; font-weight: 700; color: var(--text2); padding: 6px 0; }
.muted { color: var(--text3); }
.muted-small { font-size: 0.85rem; color: var(--text3); font-style: italic; padding: 10px 0; }
.overdue-text { color: var(--red); font-weight: 700; }

/* ── LEND FORM ────────────────────────────── */
.lend-form { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.field-label { font-size: 0.78rem; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
.date-input, .text-input {
    width: 100%; padding: 10px 13px;
    border: 1.5px solid var(--border); border-radius: var(--radius);
    background: var(--bg); font-family: var(--fb); font-size: 0.93rem;
    transition: border-color var(--trans);
}
.date-input:focus, .text-input:focus { border-color: var(--accent2); outline: none; }

/* ── MY LOANS ─────────────────────────────── */
.loans-section-title {
    font-family: var(--fh); font-size: 1.3rem;
    margin: 24px 0 12px; color: var(--text);
    padding-bottom: 8px; border-bottom: 1.5px solid var(--border);
}
.my-loans-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 12px; }
.my-loan-card {
    display: flex; align-items: flex-start; gap: 14px;
    background: var(--surface); border: 1.5px solid var(--border);
    border-radius: var(--radius-lg); padding: 16px 18px;
    transition: border-color var(--trans);
}
.my-loan-card:hover { border-color: var(--accent2); }
.my-loan-card.overdue-card { border-color: #f87171; background: #fff5f5; }
.my-loan-cover { width: 52px; height: 72px; object-fit: cover; border-radius: 5px; border: 1px solid var(--border); flex-shrink: 0; }
.my-loan-info { flex: 1; display: flex; flex-direction: column; gap: 5px; }
.my-loan-title { font-family: var(--fh); font-size: 1rem; font-weight: 700; cursor: pointer; color: var(--accent); }
.my-loan-title:hover { color: var(--accent2); }
.my-loan-author { font-size: 0.82rem; color: var(--text3); }
.my-loan-dates { display: flex; flex-direction: column; gap: 2px; font-size: 0.8rem; color: var(--text2); margin-top: 4px; }
.my-loan-actions { flex-shrink: 0; }

/* ── ADMIN FILTERS ────────────────────────── */
.admin-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-btn {
    background: var(--surface); border: 1.5px solid var(--border);
    border-radius: var(--radius); padding: 6px 14px;
    font-family: var(--fb); font-size: 0.83rem; color: var(--text2);
    cursor: pointer; transition: all var(--trans);
}
.filter-btn:hover { border-color: var(--accent2); color: var(--accent); }
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── SETTINGS ─────────────────────────────── */
.settings-page { max-width: 640px; }
.settings-page h1 { font-family: var(--fh); font-size: 2rem; margin-bottom: 28px; }
.settings-card {
    background: var(--surface); border: 1.5px solid var(--border);
    border-radius: var(--radius-lg); padding: 28px; margin-bottom: 20px;
}
.settings-card h2 { font-family: var(--fh); font-size: 1.3rem; margin-bottom: 16px; }
.settings-desc { font-size: 0.88rem; color: var(--text2); line-height: 1.6; margin-bottom: 14px; }
.settings-info { display: flex; flex-direction: column; gap: 10px; }
.si-row { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.si-label { width: 140px; font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text3); flex-shrink: 0; }
.nickname-form { display: flex; gap: 10px; flex-wrap: wrap; }
.nick-preview { margin-top: 10px; font-size: 0.85rem; color: var(--text2); }

/* ── LOAN DISABLED STATE ──────────────────── */
.loan-disabled { background: #f5f5f5; border-color: #ccc; color: var(--text3); }

/* ── ADMIN SETTINGS CARD ──────────────────── */
.admin-settings-card {
    background: var(--surface); border: 1.5px solid var(--border);
    border-radius: var(--radius-lg); padding: 24px 28px;
    margin-bottom: 32px;
}
.admin-settings-header {
    display: flex; align-items: flex-start; gap: 20px; justify-content: space-between;
    flex-wrap: wrap;
}
.admin-settings-header h2 { font-family: var(--fh); font-size: 1.3rem; margin-bottom: 6px; }
.toggle-wrap { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.toggle-label { font-size: 0.88rem; font-weight: 700; }
.toggle-label.on  { color: var(--green); }
.toggle-label.off { color: var(--red); }
.disabled-msg-row { margin-top: 18px; border-top: 1px solid var(--border); padding-top: 16px; }
.disabled-msg-input-row { display: flex; gap: 10px; margin-top: 8px; flex-wrap: wrap; }

/* Toggle Switch */
.toggle-switch { position: relative; display: inline-block; width: 52px; height: 28px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0; cursor: pointer;
    background: #ccc; border-radius: 28px; transition: 0.3s;
}
.toggle-slider:before {
    content: ''; position: absolute;
    height: 20px; width: 20px; left: 4px; bottom: 4px;
    background: white; border-radius: 50%; transition: 0.3s;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--green); }
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(24px); }