/*
Theme Name: HocTap Edu Pro
Theme URI: https://hoctap.hoangba.info.vn
Author: HocTap
Description: Giao diện giáo dục hiện đại, đa sắc, tối ưu điện thoại, danh mục môn học, bài viết và tìm kiếm.
Version: 4.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: hoctap-edu
*/
:root{--ink:#142340;--muted:#687995;--primary:#4b57e9;--bg:#f6f8fe;--line:#e7eaf5;--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.7 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}a{text-decoration:none;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #f7b955;outline-offset:3px}img{max-width:100%;height:auto}.container{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:#15214b;color:#e1e9ff;font-size:12px}.topbar .container{display:flex;justify-content:space-between;padding:7px 0;gap:12px}.site-head{background:white}.head-inner{display:flex;align-items:center;justify-content:space-between;padding:19px 0;gap:16px}.brand{display:flex;align-items:center;gap:14px}.logo-mark{display:grid;place-items:center;width:55px;height:55px;border-radius:17px;background:linear-gradient(135deg,#4c5bed,#9d66f1);color:white;font-size:29px;box-shadow:0 9px 24px #5360e633}.site-name{font-size:23px;font-weight:850;line-height:1.2}.site-tagline{font-size:12px;color:var(--muted)}.custom-logo{max-width:65px;height:auto}.head-pill{border:1px solid #dbe4ff;background:#f5f7ff;color:#4755b7;padding:8px 15px;border-radius:99px;font-size:12px;font-weight:750}.nav-wrap{background:#fff;border-top:1px solid #f1f2f8;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px #15234a08}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:65px}.main-nav ul{display:flex;list-style:none;gap:24px;padding:0;margin:0;align-items:center}.main-nav a{font-size:14px;font-weight:720;color:#384766;transition:color .2s}.main-nav a:hover{color:var(--primary)}.nav-search{display:flex;background:#f3f5fc;border:1px solid #e7eafa;border-radius:12px;overflow:hidden}.nav-search input{width:180px;min-width:0;border:0;background:transparent;padding:10px 12px;outline:none}.nav-search button{background:#4c58e8;color:white;border:0;padding:9px 15px;cursor:pointer}.menu-toggle{display:none;border:0;background:#edf0ff;color:#3342b3;border-radius:10px;padding:10px 13px;font-weight:700}.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,#2834a9 0%,#4b54e8 48%,#8060e9 100%);color:white}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;border:1px solid #ffffff33}.hero:before{width:470px;height:470px;right:-80px;top:-230px}.hero:after{width:300px;height:300px;left:-160px;bottom:-220px}.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;align-items:center;gap:45px;min-height:460px;padding:66px 0}.eyebrow{display:inline-flex;align-items:center;gap:7px;border:1px solid #ffffff55;background:#ffffff20;padding:7px 14px;border-radius:100px;font-size:12px;font-weight:750;letter-spacing:.7px}.hero h1{font-size:clamp(35px,4.5vw,60px);line-height:1.14;letter-spacing:-1.5px;margin:22px 0}.hero h1 em{font-style:normal;color:#ffe5a3}.hero p{font-size:16px;color:#e9ecff;max-width:600px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:12px;background:#fff;color:#3343c4;font-weight:800;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-3px);box-shadow:0 10px 30px #1c1e6740}.btn.ghost{background:#ffffff20;color:white;border:1px solid #ffffff70}.hero-art{position:relative;min-height:320px;display:grid;place-items:center}.art-main{width:265px;height:265px;border-radius:44px;display:grid;place-items:center;font-size:125px;background:linear-gradient(145deg,#ffffff36,#ffffff12);border:1px solid #ffffff55;box-shadow:0 30px 70px #171b7a55;transform:rotate(-8deg)}.float-icon{position:absolute;padding:14px 18px;border-radius:20px;background:white;color:#29376c;font-size:31px;box-shadow:0 15px 35px #16196b44;animation:bob 5s ease-in-out infinite}.float-icon.a{top:8px;right:20px}.float-icon.b{bottom:5px;left:6px;animation-delay:-2s}.float-icon.c{bottom:20px;right:0;animation-delay:-1s}@keyframes bob{50%{transform:translateY(-13px)}}.stats{position:relative;margin-top:-33px;z-index:2}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--line);border-radius:17px;padding:17px 20px;box-shadow:0 13px 32px #2732710e}.stat-icon{font-size:26px}.stat strong{display:block;font-size:17px}.stat small{display:block;color:var(--muted);font-size:12px}.section{padding:70px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}.kicker{color:#5863e6;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:1.6px}.section h2{font-size:clamp(25px,3vw,35px);line-height:1.25;margin:7px 0}.section-heading p{color:var(--muted);margin:6px 0}.section-link{font-weight:750;color:var(--primary);white-space:nowrap}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 23px;transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}.card:hover{transform:translateY(-7px);box-shadow:0 22px 45px #2b39751b;border-color:#cfd7ff}.card:after{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent,#6b74ef)}.subject-icon{display:grid;place-items:center;font-size:30px;width:64px;height:64px;border-radius:18px;background:var(--tint,#edf0ff)}.card h3{font-size:19px;margin:20px 0 7px}.card p{font-size:13px;color:var(--muted);min-height:45px}.more{display:inline-flex;color:var(--accent,#4d5ce7);font-size:13px;font-weight:800;margin-top:7px}.resources{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.resource-card{border:1px solid var(--line);border-radius:22px;padding:28px;display:flex;align-items:start;gap:18px;transition:transform .2s}.resource-card:hover{transform:translateY(-5px)}.resource-card .symbol{font-size:34px;border-radius:16px;background:#f1f2ff;padding:9px}.resource-card h3{margin:0 0 5px}.resource-card p{font-size:13px;color:var(--muted);margin:0 0 9px}.content-grid{display:grid;grid-template-columns:1.65fr .8fr;gap:26px}.post-list{display:grid;gap:15px}.post-item{background:white;border:1px solid var(--line);border-radius:17px;padding:23px;transition:box-shadow .2s}.post-item:hover{box-shadow:0 12px 30px #25366a10}.post-item h3{font-size:19px;margin:6px 0}.post-item h3 a:hover{color:var(--primary)}.post-item p{color:var(--muted);font-size:14px;margin:0}.meta{color:#7785a3;font-size:12px}.notice{background:#f0f2ff;border:1px solid #e0e5ff;border-radius:22px;padding:26px;height:fit-content}.notice h3{margin-top:0}.notice ul{list-style:none;padding:0}.notice li{margin:11px 0;background:white;border-radius:12px;padding:12px 14px;font-size:14px;font-weight:650}.notice li:hover{color:var(--primary)}.cta{background:linear-gradient(115deg,#e5e8ff,#fce9f6 65%,#fff0dc);border-radius:26px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 7px}.cta p{color:#66738f;margin:0}.cta .btn{background:#4b56e9;color:white}.site-footer{background:#172345;color:#c9d3ec;padding:50px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.site-footer h3{color:white}.site-footer a:hover{color:white}.copyright{border-top:1px solid #ffffff22;margin-top:35px;padding-top:18px;font-size:12px}.page-content{background:white;border:1px solid var(--line);padding:35px;border-radius:20px;margin:40px auto}.page-content h1{line-height:1.25}.page-content a{color:var(--primary)}.pagination{margin:24px 0}.pagination .page-numbers{padding:8px 12px;background:white;border:1px solid var(--line);border-radius:8px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.reveal.visible{opacity:1;transform:none}@media(max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}.hero-grid{gap:15px}.main-nav ul{gap:12px}.nav-search input{width:125px}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.container{width:min(100% - 28px,1180px)}.topbar .container span:last-child,.head-pill{display:none}.site-name{font-size:19px}.menu-toggle{display:block}.nav-inner{flex-wrap:wrap;padding:10px 0}.main-nav{display:none;width:100%;order:3}.main-nav.open{display:block}.main-nav ul{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:10px 0}.main-nav li a{display:block;padding:10px;border-bottom:1px solid var(--line)}.nav-search{margin-left:auto}.hero-grid{grid-template-columns:1fr;padding:55px 0}.hero-art{display:none}.stats{margin-top:-15px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:9px}.stat{padding:13px;gap:8px}.stat-icon{font-size:21px}.section{padding:48px 0}.cards,.resource-grid,.content-grid,.footer-grid{grid-template-columns:1fr}.section-heading{align-items:start}.cta{padding:28px;flex-direction:column;align-items:start}.resource-card{padding:20px}}@media(max-width:420px){.nav-search input{width:120px}.nav-search button{padding:8px}.stats-grid{grid-template-columns:1fr 1fr}.stat strong{font-size:14px}.stat small{font-size:11px}.cards{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* v3 enhancements */
html,body{min-height:100%}body{display:flex;flex-direction:column;min-height:100vh}body>.site-footer{margin-top:auto}.site-footer{background:#f2f7ff!important;color:#24385b!important;border-top:1px solid #d9e5f4}.site-footer h3,.site-footer a{color:#17447c!important}.site-footer .copyright{color:#64748b!important}.social-links{display:flex;flex-wrap:wrap;gap:12px;margin:14px 0}.social-links a{display:inline-block;background:#fff;padding:9px 13px;border-radius:12px;border:1px solid #dce7f5;text-decoration:none}.today-date{font-size:clamp(16px,2.1vw,24px);font-weight:800;letter-spacing:.2px}.hero[style*=background-image]{background-size:cover;background-position:center}.hero[style*=background-image] h1,.hero[style*=background-image] p{color:#fff}.rail-banner{position:absolute;top:370px;width:clamp(90px,10vw,170px);z-index:3}.rail-banner img{width:100%;height:auto;border-radius:14px;box-shadow:0 12px 30px #1c2d4c22}.rail-left{left:8px}.rail-right{right:8px}.ht-widgets{display:grid;grid-template-columns:1fr;gap:18px;margin-top:22px}.ht-widget{background:#fff;border:1px solid #e2eaf5;border-radius:18px;padding:17px}.ht-widget h3{margin:0 0 14px}.ht-widget table{width:100%;text-align:center}.ht-widget td,.ht-widget th{padding:5px}.ht-widget a{color:#3758b5}.ht-calculator output{display:block;text-align:right;padding:12px;background:#f1f5ff;border-radius:9px;font-size:24px;font-weight:700;overflow:hidden}.calc-keys{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:9px}.calc-keys button{padding:9px 0;background:#eef2ff;border:0;border-radius:8px;cursor:pointer;font-size:17px}.calc-keys button:hover{background:#d8e1ff}.calc-keys button:last-child{background:#4f5bd5;color:white}@media(min-width:1500px){.container{max-width:1120px}}@media(max-width:1499px){.rail-banner{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* v4 deep-green footer and visit dashboard */
.site-footer{background:linear-gradient(125deg,#07552f,#08673c 55%,#0b7548)!important;color:#e5f8ed!important;border-top:4px solid #52d79a!important}.site-footer h3,.site-footer a{color:#fff!important}.site-footer a:hover{color:#c5ffe0!important}.site-footer .copyright{color:#d3f2df!important;border-top:1px solid #ffffff38}.site-footer .social-links a{background:#ffffff17!important;border:1px solid #ffffff40!important;color:white!important;transition:transform .2s ease,background .2s ease}.site-footer .social-links a:hover{background:#ffffff30!important;transform:translateY(-2px)}.ht-traffic{margin-top:26px;padding:20px 0 4px;border-top:1px solid #ffffff35}.ht-traffic h3{margin:0 0 14px;font-size:19px}.ht-traffic-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.ht-traffic-grid>div{border-radius:15px;background:#ffffff15;border:1px solid #ffffff2b;padding:15px 12px;min-width:0}.ht-traffic-grid span{display:block;color:#e0f8e9;font-size:13px}.ht-traffic-grid strong{display:block;color:white;font-size:clamp(23px,2.6vw,32px);line-height:1.3;margin-top:5px;font-variant-numeric:tabular-nums}.ht-traffic-note{font-size:12px;color:#c8ead8;margin:13px 0 0}@media(max-width:800px){.ht-traffic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:480px){.ht-traffic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}