/* JENIUS AI — Layout & Component Fixes v3 */
/* Reference: centered gradient hero search like navigation portals */

/* ===================== TOP NAV BAR ===================== */
.site-header{position:sticky;top:0;z-index:100;background:var(--c-bgc);border-bottom:1px solid var(--c-brd);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;padding:10px 0;gap:12px}
.site-branding{flex-shrink:0}
.site-title{font-size:1.15rem;font-weight:800;margin:0;padding:0;background:linear-gradient(135deg,var(--c-pri),var(--c-acc));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}
.site-title-link{text-decoration:none}

/* Top Navigation (inline nav links) */
.top-nav{flex:1;overflow:hidden}
.top-nav-menu{list-style:none;display:flex;align-items:center;gap:2px;margin:0;padding:0;flex-wrap:nowrap;overflow-x:auto}
.top-nav-menu li a{display:flex;align-items:center;gap:4px;padding:6px 14px;font-size:.82rem;font-weight:500;color:var(--c-tx2);text-decoration:none;border-radius:var(--r-s);transition:all var(--tr);white-space:nowrap}
.top-nav-menu li a:hover{color:var(--c-pri);background:rgba(99,102,241,.06)}
.top-nav-menu li.current-menu-item a,.top-nav-menu li.current_page_item a{color:var(--c-pri);background:rgba(99,102,241,.08);font-weight:600}

/* Header Actions */
.header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
.dark-mode-toggle{background:none;border:none;cursor:pointer;font-size:1.1rem;padding:6px;border-radius:var(--r-s);transition:background var(--tr)}
.dark-mode-toggle:hover{background:var(--c-bg2)}
.mobile-menu-toggle{display:none;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;padding:6px}
.hamburger{display:flex;flex-direction:column;gap:4px;width:20px}
.hamburger span{display:block;width:100%;height:2px;background:var(--c-tx);border-radius:2px;transition:all var(--tr)}

/* ===================== HERO SEARCH SECTION (Gradient) ===================== */
.hero-search-section{position:relative;padding:48px 0 40px;overflow:hidden}
.hero-search-bg{position:absolute;inset:0;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 25%,#a855f7 50%,#c084fc 75%,#e879f9 100%);z-index:0}
.hero-search-bg::after{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero-search-inner{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}

/* Search Tabs */
.hero-search-tabs{display:flex;justify-content:center;gap:4px;margin-bottom:20px;flex-wrap:wrap}
.hero-tab{background:rgba(255,255,255,.12);border:none;padding:8px 20px;font-size:.85rem;font-weight:600;color:rgba(255,255,255,.75);cursor:pointer;border-radius:20px;transition:all .25s;backdrop-filter:blur(4px)}
.hero-tab:hover{background:rgba(255,255,255,.22);color:#fff}
.hero-tab.active{background:#fff;color:#6366f1;box-shadow:0 2px 12px rgba(0,0,0,.15)}

/* Search Form */
.hero-search-form{display:flex;align-items:center;background:#fff;border-radius:14px;padding:4px 4px 4px 20px;box-shadow:0 8px 32px rgba(0,0,0,.18);transition:box-shadow .3s}
.hero-search-form:focus-within{box-shadow:0 8px 40px rgba(0,0,0,.25)}
.hero-search-input{flex:1;border:none;background:none;padding:14px 12px;font-size:1rem;color:#1e293b;outline:none;font-family:inherit;min-width:0}
.hero-search-input::placeholder{color:#94a3b8}
.hero-search-btn{background:linear-gradient(135deg,#6366f1,#8b5cf6);border:none;padding:12px 16px;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:all .25s;flex-shrink:0}
.hero-search-btn:hover{background:linear-gradient(135deg,#4f46e5,#7c3aed);transform:scale(1.05)}
.hero-search-btn svg{width:20px;height:20px}

/* Search Results Dropdown */
.hero-search-results{position:absolute;left:50%;transform:translateX(-50%);top:calc(100% - 20px);width:100%;max-width:680px;background:#fff;border-radius:12px;box-shadow:0 12px 48px rgba(0,0,0,.2);max-height:380px;overflow-y:auto;z-index:200;display:none;text-align:left}
.hero-search-results.active{display:block}
.hero-search-results a{display:flex;align-items:center;gap:10px;padding:12px 18px;color:#1e293b;font-size:.9rem;border-bottom:1px solid #f1f5f9;text-decoration:none;transition:background .2s}
.hero-search-results a:hover{background:#f8fafc;color:#6366f1}
.hero-search-results .result-type{font-size:.65rem;padding:2px 8px;border-radius:10px;background:rgba(99,102,241,.1);color:#6366f1;font-weight:700;text-transform:uppercase;flex-shrink:0}

/* Quick Links */
.hero-quick-links{margin-top:16px;display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}
.quick-label{color:rgba(255,255,255,.65);font-size:.78rem;font-weight:500}
.hero-quick-links a{color:rgba(255,255,255,.85);font-size:.78rem;font-weight:500;text-decoration:none;padding:3px 12px;border-radius:14px;background:rgba(255,255,255,.12);transition:all .2s;backdrop-filter:blur(4px)}
.hero-quick-links a:hover{background:rgba(255,255,255,.25);color:#fff}

/* ===================== FLOATING SIDE BUTTONS ===================== */
.floating-side{position:fixed;right:16px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:8px;z-index:90}
.float-btn{display:flex;align-items:center;justify-content:center;width:42px;height:42px;background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:12px;font-size:1rem;text-decoration:none;box-shadow:0 2px 12px rgba(0,0,0,.08);transition:all .25s}
.float-btn:hover{border-color:var(--c-pri);box-shadow:0 4px 20px rgba(99,102,241,.2);transform:scale(1.08)}

/* ===================== HERO NEWS SECTION ===================== */
.section-hero{padding:24px 0}
.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:start}
.hero-main{position:relative}
.hero-side{display:flex;flex-direction:column;gap:12px}

/* CARD LARGE (Hero) */
.card-large{border-radius:var(--r-xl);overflow:hidden;position:relative}
.card-large .card-thumb-overlay{display:block;position:relative;width:100%;height:400px;overflow:hidden;border-radius:var(--r-xl);background:linear-gradient(135deg,#1e1b4b,#312e81,#1e3a5f);text-decoration:none;color:#fff}
.card-large .card-image-full{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.card-large .card-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.8) 0%,rgba(0,0,0,.2) 50%,transparent);display:flex;align-items:flex-end;padding:28px;z-index:2}
.card-large .card-overlay-content{color:#fff}
.card-large .card-title-large{font-size:1.4rem;font-weight:800;margin:8px 0 6px;line-height:1.3;color:#fff}
.card-large .card-subtitle{font-size:.88rem;color:rgba(255,255,255,.8);margin:0 0 8px}
.card-large .post-meta{color:rgba(255,255,255,.7);font-size:.78rem}
.card-large .post-meta a{color:rgba(255,255,255,.9)}

/* CARD SMALL (Sidebar hero cards) */
.card-small{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:var(--r-m);overflow:hidden;transition:all var(--tr)}
.card-small:hover{border-color:var(--c-pri);box-shadow:var(--sh-sm)}
.card-small .card-row{display:flex;gap:12px;padding:12px}
.card-small .card-thumb-sq{width:80px;height:80px;flex-shrink:0;border-radius:var(--r-s);overflow:hidden;background:linear-gradient(135deg,#312e81,#1e3a5f)}
.card-small .card-thumb-sq img{width:100%;height:100%;object-fit:cover}
.card-small .card-body-sm{flex:1;display:flex;flex-direction:column;justify-content:center;min-width:0}
.card-small .card-title-sm{font-size:.85rem;font-weight:600;margin:0 0 4px;line-height:1.3}
.card-small .card-title-sm a{color:var(--c-tx);text-decoration:none}
.card-small .card-title-sm a:hover{color:var(--c-pri)}
.card-small .card-date{font-size:.72rem;color:var(--c-tx3)}

/* CARD MEDIUM (Grid cards) */
.card-medium{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:var(--r-m);overflow:hidden;transition:all var(--tr);display:flex;flex-direction:column}
.card-medium:hover{border-color:var(--c-pri);box-shadow:var(--sh-md);transform:translateY(-2px)}
.card-medium .card-thumb{display:block;position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#1e1b4b,#312e81)}
.card-medium .card-thumb img,.card-medium .card-image{width:100%;height:100%;object-fit:cover}
.card-medium .card-body{padding:16px;flex:1;display:flex;flex-direction:column}
.card-medium .card-title{font-size:.95rem;font-weight:700;margin:6px 0 8px;line-height:1.4}
.card-medium .card-title a{color:var(--c-tx);text-decoration:none}
.card-medium .card-title a:hover{color:var(--c-pri)}
.card-medium .card-excerpt{font-size:.82rem;color:var(--c-tx2);line-height:1.5;margin:0 0 12px;flex:1}

/* ===================== POSTS GRID ===================== */
.posts-grid{display:grid;gap:20px}
.grid-cols-2{grid-template-columns:repeat(2,1fr)}
.grid-cols-3{grid-template-columns:repeat(3,1fr)}
.grid-cols-4{grid-template-columns:repeat(4,1fr)}

/* ===================== SECTIONS ===================== */
.section-latest,.section-models,.section-tools,.section-papers{padding:40px 0}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}
.section-title{font-size:1.3rem;font-weight:700;margin:0;display:flex;align-items:center;gap:8px}
.section-title::before{content:'';width:4px;height:24px;background:var(--c-pri);border-radius:2px;flex-shrink:0}

/* ===================== BADGES ===================== */
.badge,.category-badge,.news-type-badge{display:inline-block;padding:3px 10px;border-radius:6px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.3px;margin-right:4px}
.news-type-badge{position:absolute;top:12px;left:12px;z-index:3;background:var(--c-pri);color:#fff}
.category-badge{background:rgba(99,102,241,.12);color:var(--c-pri)}

/* ===================== POST META ===================== */
.post-meta{display:flex;align-items:center;gap:10px;font-size:.78rem;color:var(--c-tx3);flex-wrap:wrap}
.post-meta a{color:var(--c-tx2);text-decoration:none;font-weight:500}
.post-meta img{width:20px;height:20px;border-radius:50%;object-fit:cover}

/* ===================== BUTTONS ===================== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-m);font-size:.85rem;font-weight:600;text-decoration:none;transition:all var(--tr);cursor:pointer;border:none}
.btn-primary{background:var(--c-pri);color:#fff}.btn-primary:hover{background:var(--c-pri-dk)}
.btn-outline{background:transparent;border:1px solid var(--c-brd);color:var(--c-tx2)}.btn-outline:hover{border-color:var(--c-pri);color:var(--c-pri)}
.btn-sm{padding:6px 14px;font-size:.78rem}

/* ===================== NEWSLETTER ===================== */
.section-newsletter{padding:48px 0}
.newsletter-cta{display:flex;align-items:center;gap:32px;padding:40px;background:linear-gradient(135deg,var(--c-pri),#4f46e5);border-radius:var(--r-xl);color:#fff}
.newsletter-content h2{font-size:1.3rem;margin:0 0 8px;color:#fff}
.newsletter-content p{color:rgba(255,255,255,.85);font-size:.9rem;margin:0}
.newsletter-form{display:flex;gap:8px;flex-shrink:0;min-width:320px}
.newsletter-form input[type="email"]{flex:1;padding:12px 16px;border:none;border-radius:var(--r-m);font-size:.9rem;outline:none}
.newsletter-form .btn{white-space:nowrap}

/* ===================== COMMENTS (Clean Card Style) ===================== */
.comments-area{margin-top:32px}
/* ===================== PREMIUM COMMENTS ===================== */
.comments-area{margin-top:32px}

/* Form Card */
.comment-form-card{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:16px;padding:28px;margin-bottom:24px;position:relative;overflow:hidden}
.comment-form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#6366f1,#a78bfa,#ec4899);border-radius:16px 16px 0 0}
.comment-form-title{font-size:1rem;font-weight:600;color:var(--c-tx)}
.comment-form-card .comment-reply-title{font-size:1.1rem;font-weight:700;margin:0 0 16px;color:var(--c-tx);display:flex;align-items:center;gap:8px}
.comment-form-card .comment-reply-title small{font-size:.72rem;font-weight:500}
.comment-form-card .comment-reply-title small a{color:var(--c-pri);text-decoration:none}
.comment-form-card .logged-in-as{font-size:.82rem;color:var(--c-tx3);margin-bottom:12px;padding:8px 12px;background:var(--c-bg2);border-radius:8px}
.comment-form-card .logged-in-as a{color:var(--c-pri);font-weight:600;text-decoration:none}

/* Textarea */
.comment-form-comment textarea{width:100%;padding:14px 16px;border:1.5px solid var(--c-brd);border-radius:12px;background:var(--c-bg2);color:var(--c-tx);font-size:.92rem;font-family:inherit;resize:vertical;min-height:120px;outline:none;transition:all .25s;box-sizing:border-box}
.comment-form-comment textarea:focus{border-color:var(--c-pri);box-shadow:0 0 0 4px rgba(99,102,241,.1);background:var(--c-bgc)}
.comment-form-comment textarea::placeholder{color:var(--c-tx3)}

/* Input Fields */
.comment-form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.comment-form-field{margin-bottom:0}
.comment-form-field input{width:100%;padding:12px 16px;border:1.5px solid var(--c-brd);border-radius:10px;background:var(--c-bg2);color:var(--c-tx);font-size:.88rem;font-family:inherit;outline:none;transition:all .25s;box-sizing:border-box}
.comment-form-field input:focus{border-color:var(--c-pri);box-shadow:0 0 0 4px rgba(99,102,241,.08)}
.comment-form-field input::placeholder{color:var(--c-tx3)}
.comment-form-field label{display:none}

/* Submit Button */
.comment-submit-btn,.comment-form-card .form-submit input[type="submit"]{background:linear-gradient(135deg,#6366f1,#8b5cf6)!important;color:#fff!important;border:none!important;padding:11px 32px!important;border-radius:12px!important;font-weight:700!important;font-size:.88rem!important;cursor:pointer;transition:all .3s!important;box-shadow:0 4px 14px rgba(99,102,241,.3);letter-spacing:.3px}
.comment-submit-btn:hover,.comment-form-card .form-submit input[type="submit"]:hover{transform:translateY(-2px)!important;box-shadow:0 6px 24px rgba(99,102,241,.4)!important;background:linear-gradient(135deg,#4f46e5,#7c3aed)!important}
.comment-form-card .form-submit{text-align:right;margin-top:16px}

/* Empty State */
.comments-empty{text-align:center;padding:48px 20px;color:var(--c-tx3);background:var(--c-bgc);border:1.5px dashed var(--c-brd);border-radius:16px}
.comments-empty .empty-icon{font-size:2.8rem;margin-bottom:10px;opacity:.4;animation:commentBounce 3s ease infinite}
@keyframes commentBounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.comments-empty p{margin:0;font-size:.88rem;font-weight:500}

/* Comments List */
.comments-list-card{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:16px;padding:24px;margin-bottom:24px}
.comments-title{font-size:1.05rem;font-weight:800;margin:0 0 20px;padding-bottom:14px;border-bottom:2px solid var(--c-brd);display:flex;align-items:center;gap:8px}
.comment-list{list-style:none;margin:0;padding:0}
.comment-list .comment{padding:18px 0;border-bottom:1px solid var(--c-brd2);transition:background .2s}
.comment-list .comment:last-child{border-bottom:none}
.comment-list .comment:hover{background:rgba(99,102,241,.02);margin:0 -16px;padding-left:16px;padding-right:16px;border-radius:10px}

/* Avatar & Author */
.comment-list .comment-author{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.comment-list .comment-author img{border-radius:50%;border:2px solid var(--c-pri);padding:1px;box-shadow:0 2px 8px rgba(99,102,241,.15)}
.comment-list .comment-author .fn{font-weight:700;font-size:.88rem;color:var(--c-tx)}
.comment-list .comment-author .fn a{color:var(--c-tx);text-decoration:none}
.comment-list .comment-author .says{display:none}

/* Meta & Date */
.comment-list .comment-metadata{font-size:.72rem;color:var(--c-tx3);margin-bottom:8px;padding-left:52px}
.comment-list .comment-metadata a{color:var(--c-tx3);text-decoration:none}
.comment-list .comment-metadata a:hover{color:var(--c-pri)}

/* Comment Body */
.comment-list .comment-content{font-size:.88rem;line-height:1.7;color:var(--c-tx2);padding-left:52px}
.comment-list .comment-content p{margin:0 0 6px}

/* Reply Link */
.comment-list .reply{padding-left:52px;margin-top:6px}
.comment-list .reply a{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:var(--c-pri);font-weight:700;text-decoration:none;padding:4px 12px;border:1px solid rgba(99,102,241,.2);border-radius:20px;transition:all .2s}
.comment-list .reply a:hover{background:rgba(99,102,241,.06);border-color:var(--c-pri)}
.comment-list .reply a::before{content:"↩"}

/* Nested/Threaded Replies */
.comment-list .children{list-style:none;margin:0;padding:0 0 0 24px;border-left:2px solid rgba(99,102,241,.15)}
.comment-list .children .comment{padding:14px 0}

/* Comment Navigation */
.comment-navigation{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--c-brd);margin-top:16px;font-size:.82rem}
.comment-navigation a{color:var(--c-pri);text-decoration:none;font-weight:600}

/* ===================== SIDEBAR ===================== */
.sidebar .widget{margin-bottom:20px;background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:14px;padding:20px}
.sidebar .widget-title,.sidebar h2{font-size:.95rem!important;font-weight:700;margin:0 0 14px!important;padding-bottom:10px;border-bottom:1px solid var(--c-brd);display:flex;align-items:center;gap:6px}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li{padding:8px 0;border-bottom:1px solid var(--c-brd2)}
.sidebar li:last-child{border-bottom:none}
.sidebar a{color:var(--c-tx2);text-decoration:none;font-size:.85rem;transition:color .2s}
.sidebar a:hover{color:var(--c-pri)}
.widget_tag_cloud .tagcloud,.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.widget_tag_cloud .tagcloud a,.tag-cloud a{display:inline-block;padding:5px 14px;border-radius:20px;font-size:.78rem!important;font-weight:500;border:1.5px solid;text-decoration:none;transition:all .2s}
.widget_tag_cloud .tagcloud a:nth-child(6n+1){color:#6366f1;border-color:rgba(99,102,241,.3);background:rgba(99,102,241,.06)}
.widget_tag_cloud .tagcloud a:nth-child(6n+2){color:#ef4444;border-color:rgba(239,68,68,.3);background:rgba(239,68,68,.06)}
.widget_tag_cloud .tagcloud a:nth-child(6n+3){color:#10b981;border-color:rgba(16,185,129,.3);background:rgba(16,185,129,.06)}
.widget_tag_cloud .tagcloud a:nth-child(6n+4){color:#f59e0b;border-color:rgba(245,158,11,.3);background:rgba(245,158,11,.06)}
.widget_tag_cloud .tagcloud a:nth-child(6n+5){color:#8b5cf6;border-color:rgba(139,92,246,.3);background:rgba(139,92,246,.06)}
.widget_tag_cloud .tagcloud a:nth-child(6n+6){color:#06b6d4;border-color:rgba(6,182,212,.3);background:rgba(6,182,212,.06)}
.widget_tag_cloud .tagcloud a:hover{transform:translateY(-1px);box-shadow:0 2px 8px rgba(0,0,0,.08)}

/* ===================== SINGLE ARTICLE ===================== */
.article-title{font-size:clamp(1.4rem,3vw,2rem)!important;line-height:1.3}
.entry-content{font-size:1rem;line-height:1.8}
.entry-content h2{font-size:1.3rem!important;margin-top:32px}
.entry-content h3{font-size:1.15rem!important;margin-top:24px}
.entry-content p{margin-bottom:16px}
.entry-content img{max-width:100%;height:auto;border-radius:var(--r-m)}

/* ===================== TOOL CARDS ===================== */
.card-tool{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:14px;padding:20px;transition:all .3s;display:flex;flex-direction:column;gap:12px}
.card-tool:hover{border-color:var(--c-pri);box-shadow:0 8px 24px rgba(99,102,241,.1);transform:translateY(-3px)}
.tool-card-top{display:flex;align-items:center;gap:14px}
.tool-logo-wrap{flex-shrink:0}
.tool-logo{width:48px;height:48px;border-radius:12px;object-fit:cover;border:1px solid var(--c-brd)}
.tool-logo-placeholder{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#6366f1,#a855f7);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.tool-card-info{flex:1;min-width:0}
.tool-card-title{font-size:.95rem;font-weight:700;margin:0 0 4px;line-height:1.3}
.tool-card-title a{color:var(--c-tx);text-decoration:none}
.tool-card-title a:hover{color:var(--c-pri)}
.tool-card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tool-badge{font-size:.65rem;font-weight:700;padding:2px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.3px}
.tool-badge-free{background:rgba(16,185,129,.1);color:#10b981;border:1px solid rgba(16,185,129,.3)}
.tool-badge-freemium{background:rgba(99,102,241,.1);color:#6366f1;border:1px solid rgba(99,102,241,.3)}
.tool-badge-paid{background:rgba(245,158,11,.1);color:#f59e0b;border:1px solid rgba(245,158,11,.3)}
.tool-badge-enterprise{background:rgba(139,92,246,.1);color:#8b5cf6;border:1px solid rgba(139,92,246,.3)}
.tool-rating{font-size:.78rem;color:var(--c-tx3);font-weight:500}
.tool-card-desc{font-size:.85rem;color:var(--c-tx2);line-height:1.5;margin:0;flex:1}
.tool-tags{display:flex;flex-wrap:wrap;gap:6px}
.tool-tag{font-size:.72rem;font-weight:600;color:var(--c-pri);text-decoration:none;padding:2px 10px;border-radius:10px;background:rgba(99,102,241,.08);transition:all .2s}
.tool-tag:hover{background:rgba(99,102,241,.15)}
.tool-card-actions{display:flex;gap:8px}
.tool-btn{display:inline-flex;align-items:center;gap:4px;padding:8px 18px;border-radius:20px;font-size:.82rem;font-weight:600;text-decoration:none;transition:all .25s;cursor:pointer;border:none}
.tool-btn-primary{background:linear-gradient(135deg,#f97316,#ef4444);color:#fff;box-shadow:0 2px 8px rgba(239,68,68,.25)}
.tool-btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(239,68,68,.3);color:#fff}
.tool-btn-outline{background:transparent;border:1.5px solid var(--c-brd);color:var(--c-tx2);padding:6.5px 18px}
.tool-btn-outline:hover{border-color:var(--c-pri);color:var(--c-pri)}
.tool-card-stats{display:flex;gap:16px;font-size:.72rem;color:var(--c-tx3);padding-top:8px;border-top:1px solid var(--c-brd2)}

/* Tool Single Extra Sections */
.tool-info-bar{display:flex;align-items:center;gap:14px;padding:16px 0;border-top:1px solid var(--c-brd);border-bottom:1px solid var(--c-brd);margin:24px 0;font-size:.82rem;color:var(--c-tx2);flex-wrap:wrap}
.tool-related-section{margin:24px 0}
.tool-related-section h3{font-size:1rem;font-weight:700;margin:0 0 12px}
.tool-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tool-related-card{display:flex;align-items:center;gap:10px;padding:12px;background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:10px;text-decoration:none;transition:all .25s}
.tool-related-card:hover{border-color:var(--c-pri);transform:translateY(-2px);box-shadow:0 4px 12px rgba(99,102,241,.1)}
.tool-related-logo{width:32px;height:32px;border-radius:8px;object-fit:cover}
.tool-related-logo-placeholder{font-size:1.3rem}
.tool-related-name{font-size:.8rem;font-weight:600;color:var(--c-tx)}
.tool-comments-section{margin-top:32px}

/* MODEL/PAPER CARDS */
.card-model,.card-paper,.card-glossary{background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:14px;overflow:hidden;transition:all .3s;padding:20px;display:flex;flex-direction:column}
.card-model:hover,.card-paper:hover{border-color:var(--c-pri);box-shadow:0 8px 24px rgba(99,102,241,.1);transform:translateY(-3px)}
.card-model .card-title,.card-paper .card-title,.card-glossary .card-title{font-size:.95rem;font-weight:700;margin:0 0 8px}
.card-model .card-title a,.card-paper .card-title a{color:var(--c-tx);text-decoration:none}
.card-model .card-title a:hover,.card-paper .card-title a:hover{color:var(--c-pri)}

/* ===================== FLIPBOOK PDF READER ===================== */
.paper-pdf-reader{margin:32px 0;background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:16px;overflow:hidden}
.pdf-reader-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;background:var(--c-bg2);border-bottom:1px solid var(--c-brd);flex-wrap:wrap}
.pdf-reader-header h3{margin:0;font-size:1rem;font-weight:700}
.pdf-reader-actions{display:flex;gap:8px;flex-wrap:wrap}

/* FlipBook Container */
.flipbook-container{background:#2d2d2d;position:relative;border-radius:0 0 16px 16px}
.flipbook-container:fullscreen{border-radius:0;background:#1a1a1a}
.flipbook-controls{display:flex;align-items:center;gap:6px;padding:12px 20px;background:rgba(0,0,0,.4);border-bottom:1px solid rgba(255,255,255,.1)}
.fb-ctrl{background:rgba(255,255,255,.12);border:none;color:#fff;width:36px;height:36px;border-radius:8px;font-size:.9rem;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}
.fb-ctrl:hover{background:rgba(255,255,255,.25)}
.fb-page-info{color:rgba(255,255,255,.75);font-size:.82rem;font-weight:600;padding:0 8px}
.fb-spacer{flex:1}

/* FlipBook Viewport */
.flipbook-viewport{display:flex;align-items:center;justify-content:center;padding:32px 20px;min-height:500px;overflow:auto}
.flipbook-book{display:flex;perspective:1200px;transform-style:preserve-3d;transition:transform .4s ease}
.fb-canvas{max-width:48vw;max-height:70vh;border-radius:2px;box-shadow:0 4px 24px rgba(0,0,0,.4)}
.fb-spine{width:4px;background:linear-gradient(180deg,rgba(255,255,255,.15),rgba(0,0,0,.3),rgba(255,255,255,.15));align-self:stretch;box-shadow:inset 0 0 4px rgba(0,0,0,.5)}

/* Flip Animations */
.flipbook-book.flip-left{animation:flipLeft .4s ease}
.flipbook-book.flip-right{animation:flipRight .4s ease}
@keyframes flipLeft{0%{transform:rotateY(0)}50%{transform:rotateY(-8deg) scale(.98)}100%{transform:rotateY(0)}}
@keyframes flipRight{0%{transform:rotateY(0)}50%{transform:rotateY(8deg) scale(.98)}100%{transform:rotateY(0)}}

/* Loading Spinner */
.flipbook-loading{display:none;position:absolute;inset:0;align-items:center;justify-content:center;gap:12px;background:rgba(0,0,0,.7);color:#fff;font-size:.9rem;z-index:10}
.fb-spinner{width:28px;height:28px;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:fbSpin .8s linear infinite}
@keyframes fbSpin{to{transform:rotate(360deg)}}

/* Page Gallery */
.pdf-gallery{padding:20px;border-top:1px solid var(--c-brd)}
.pdf-gallery h4{margin:0 0 14px;font-size:1rem;font-weight:700}
.pdf-gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.gallery-page-item{background:var(--c-bg2);border:1px solid var(--c-brd);border-radius:10px;overflow:hidden;transition:all .3s;cursor:pointer}
.gallery-page-item:hover{border-color:var(--c-pri);transform:translateY(-3px);box-shadow:0 6px 20px rgba(99,102,241,.15)}
.gallery-page-item img{width:100%;height:auto;display:block}
.gallery-page-item a{text-decoration:none}
.gallery-page-num{display:block;text-align:center;padding:8px 6px;font-size:.72rem;font-weight:600;color:var(--c-tx2)}


/* Paper Single Styles */
.paper-quick-links{display:flex;gap:8px;margin:20px 0;flex-wrap:wrap}
.paper-authors{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.paper-author{font-size:.85rem;color:var(--c-tx2);padding:4px 12px;background:var(--c-bg2);border-radius:8px}
.paper-author small{color:var(--c-tx3);font-size:.72rem}
.paper-meta-bar{display:flex;gap:16px;margin:12px 0;font-size:.82rem;color:var(--c-tx3)}
.paper-meta-top{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.paper-tldr{background:linear-gradient(135deg,rgba(99,102,241,.06),rgba(139,92,246,.06));border:1px solid rgba(99,102,241,.15);border-radius:12px;padding:20px;margin:20px 0}
.paper-tldr h3{margin:0 0 8px;font-size:.95rem}
.paper-tldr p{margin:0;color:var(--c-tx2);font-size:.92rem;line-height:1.6}
.paper-abstract{margin:24px 0}
.paper-abstract h3{font-size:1.05rem;margin:0 0 10px}
.paper-abstract p{color:var(--c-tx2);line-height:1.7;font-size:.92rem}
.paper-findings{margin:24px 0}
.paper-findings ul{padding-left:20px}
.paper-findings li{margin-bottom:8px;font-size:.92rem;color:var(--c-tx2);line-height:1.5}
.paper-bibtex{margin:24px 0}
.bibtex-block{background:var(--c-bg2);padding:16px;border-radius:10px;font-size:.78rem;max-height:200px;overflow-y:auto}


/* ===================== FOOTER ===================== */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-brd);padding:0;margin-top:48px}
.footer-top{display:flex;align-items:flex-start;gap:40px;padding:40px 0;border-bottom:1px solid var(--c-brd)}
.footer-brand{flex-shrink:0;max-width:320px}
.footer-logo{display:flex;align-items:center;gap:8px;font-size:1.2rem;font-weight:800;text-decoration:none;color:var(--c-tx);margin-bottom:10px}
.footer-logo span{background:linear-gradient(135deg,var(--c-pri),var(--c-acc));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-desc{font-size:.82rem;color:var(--c-tx3);line-height:1.6;margin:0}
.footer-links-wrap{flex:1}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.footer-links li a{display:inline-block;padding:6px 14px;font-size:.82rem;color:var(--c-tx2);text-decoration:none;border-radius:8px;transition:all .2s}
.footer-links li a:hover{color:var(--c-pri);background:rgba(99,102,241,.06)}
.footer-widgets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;padding:32px 0;border-bottom:1px solid var(--c-brd)}
/* Footer Stats */
.footer-stats{display:flex;justify-content:center;gap:24px;padding:20px 0;border-bottom:1px solid var(--c-brd);flex-wrap:wrap}
.footer-stat-item{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:70px}
.footer-stat-item .stat-icon{font-size:1.1rem}
.footer-stat-item .stat-value{font-size:1.05rem;font-weight:800;color:var(--c-tx)}
.footer-stat-item .stat-label{font-size:.6rem;color:var(--c-tx3);text-transform:uppercase;letter-spacing:.5px}
.footer-bottom{padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.footer-copyright{font-size:.78rem;color:var(--c-tx3);margin:0}
.footer-social{display:flex;gap:6px}
.social-icon-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--c-bg2);border:1px solid var(--c-brd);color:var(--c-tx3);font-size:.82rem;font-weight:700;text-decoration:none;transition:all .2s}
.social-icon-btn:hover{border-color:var(--c-pri);color:var(--c-pri);background:rgba(99,102,241,.06)}

/* ===================== BACK TO TOP ===================== */
.back-to-top{position:fixed;bottom:24px;right:24px;width:44px;height:44px;background:var(--c-bgc);border:1px solid var(--c-brd);border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.1);opacity:0;visibility:hidden;transition:all .3s;z-index:80;color:var(--c-tx)}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{border-color:var(--c-pri);color:var(--c-pri);transform:translateY(-2px)}

/* ===================== RESPONSIVE ===================== */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-cols-4{grid-template-columns:repeat(2,1fr)}
  .footer-top{flex-direction:column;gap:24px}
  .footer-brand{max-width:100%}
  .newsletter-cta{flex-direction:column;text-align:center}
  .newsletter-form{min-width:0;width:100%}
  .floating-side{display:none}
  .hero-search-section{padding:36px 0 32px}
}
@media(max-width:768px){
  .top-nav{display:none}
  .mobile-menu-toggle{display:flex}
  .grid-cols-3,.grid-cols-2{grid-template-columns:1fr}
  .card-large .card-thumb-overlay{height:260px}
  .newsletter-form{flex-direction:column}
  .footer-widgets-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;text-align:center}
  .hero-search-tabs{gap:2px}
  .hero-tab{padding:6px 12px;font-size:.78rem}
  .hero-search-section{padding:28px 0 24px}
  .comment-form-row{grid-template-columns:1fr}
}
@media(max-width:480px){
  .card-large .card-thumb-overlay{height:200px}
  .card-large .card-title-large{font-size:1.1rem}
  .grid-cols-4{grid-template-columns:1fr}
  .hero-search-tabs{flex-wrap:wrap;justify-content:center}
  .tool-card-actions{flex-direction:column}
}