/* =====================================================================
   iVedia — Veterinary Online Education
   Theme: navy / blue / white  +  gold accent (from iVedia logo)
   ===================================================================== */
:root{
  /* Blue-forward modern palette (navy vars remapped to blue) */
  --navy-900:#0a3a78;   /* deep blue — darkest surfaces */
  --navy-800:#0e4a94;   /* deep blue — headings / dark text */
  --navy-700:#1666c4;   /* medium blue */
  --blue-600:#1a7bd8;
  --blue-500:#2b95f5;   /* primary bright */
  --blue-400:#57adf7;
  --blue-300:#8fc9fb;
  --sky-200:#cfe8ff;
  --sky-100:#eaf4ff;
  --sky-50:#f3f9ff;
  --gold:#f0a92e;
  --gold-soft:#ffcf6b;
  --white:#ffffff;
  --ink:#17324f;
  --muted:#5f7590;
  --line:#e3edf7;
  --bg:#f2f8ff;
  --radius:16px;
  --shadow-sm:0 2px 10px rgba(20,90,170,.07);
  --shadow-md:0 14px 34px rgba(20,90,170,.14);
  --shadow-lg:0 26px 64px rgba(20,90,170,.22);
  --grad-blue:linear-gradient(135deg,#1461c9 0%,#2b95f5 55%,#57adf7 100%);
  --grad-blue-deep:linear-gradient(135deg,#0e4a94 0%,#1a7bd8 100%);
  --ff:'IBM Plex Sans Thai',system-ui,-apple-system,'Segoe UI',sans-serif;
  --ff-head:'IBM Plex Sans Thai',var(--ff);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  font-weight:300;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--blue-600);text-decoration:none;transition:.18s}
a:hover{color:var(--blue-400)}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:var(--ff-head);color:var(--navy-800);line-height:1.25;font-weight:600}
.container{width:min(1180px,92%);margin-inline:auto}
main{min-height:60vh}
.section{padding:70px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-head .eyebrow{color:var(--blue-500);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem}
.section-head h2{font-size:clamp(1.7rem,3.4vw,2.4rem);margin:.4rem 0}
.section-head p{color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--ff);font-weight:500;font-size:1rem;
  padding:.8rem 1.6rem;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn-sm{padding:.5rem 1.1rem;font-size:.9rem}
.btn-primary{background:linear-gradient(135deg,var(--blue-500),var(--blue-600));color:#fff;box-shadow:0 8px 20px rgba(30,136,229,.35)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 26px rgba(30,136,229,.45)}
.btn-gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:var(--navy-900);font-weight:600}
.btn-gold:hover{transform:translateY(-2px);color:var(--navy-900);box-shadow:0 10px 22px rgba(217,168,74,.45)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--navy-800)}
.btn-outline:hover{border-color:var(--blue-400);color:var(--blue-600)}
.btn-block{width:100%;justify-content:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(11,37,69,.05)}
.header-inner{position:relative;display:flex;align-items:center;gap:1.6rem;padding:.85rem 0}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--navy-800)}
.brand img{width:46px;height:46px;border-radius:50%}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-family:var(--ff-head);font-size:1.25rem;color:var(--navy-800)}
.brand-text small{font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-500)}
.chip{background:var(--sky-100);color:var(--navy-700);padding:.35rem .8rem;border-radius:999px;font-size:.82rem}
.nav-toggle,.nav-burger{display:none}

/* nav layout: brand (left) | nav-pills (center) | header-actions (right) */
.main-nav{flex:1;display:flex;align-items:center;justify-content:flex-end;gap:1rem}
.nav-pills{display:flex;align-items:center;gap:.25rem;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}
.nav-link{display:inline-flex;align-items:center;gap:.3rem;padding:.6rem 1.05rem;border-radius:999px;
  color:var(--navy-700);font-weight:400;font-size:.96rem;background:none;border:none;cursor:pointer;font-family:var(--ff)}
.nav-link:hover{background:var(--sky-100);color:var(--blue-600)}
.nav-link.active{background:var(--grad-blue);color:#fff;font-weight:500;box-shadow:0 6px 16px rgba(43,149,245,.35)}
.nav-link.active:hover{color:#fff}

/* right-side action pills */
.header-actions{display:flex;align-items:center;gap:.7rem}
.btn-outline-pill{display:inline-flex;align-items:center;padding:.6rem 1.1rem;border-radius:999px;border:1.5px solid var(--line);
  color:var(--navy-700);font-size:.9rem;white-space:nowrap}
.btn-outline-pill:hover{border-color:var(--blue-400);color:var(--blue-600)}
.auth-pill{display:inline-flex;align-items:center;gap:.5rem;background:var(--grad-blue);
  color:#fff;padding:.6rem 1.2rem;border-radius:999px;font-weight:500;font-size:.9rem;white-space:nowrap}
.auth-pill:hover{color:#fff;filter:brightness(1.15)}
.auth-pill .login-icon{width:17px;height:17px;flex:none;color:#fff}

/* ---------- Generic dropdown menu (courses / user) ---------- */
.dd-menu{position:relative}
.dd-caret{display:inline-block;width:8px;height:8px;flex:none;border:solid currentColor;border-width:0 2px 2px 0;
  border-radius:1px;transform:rotate(45deg);transform-origin:center;margin:-3px 0 0 .45rem;font-size:0;opacity:.85;
  transition:transform .22s ease}
.dd-menu.open .dd-caret{transform:rotate(-135deg);margin-top:1px}
.dd-panel{position:absolute;top:calc(100% + .6rem);left:0;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-md);min-width:220px;padding:.5rem;opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:.16s;z-index:80}
.dd-menu.open .dd-panel{opacity:1;visibility:visible;transform:translateY(0)}
.dd-panel a{display:flex;align-items:center;gap:.6rem;padding:.6rem .7rem;border-radius:9px;color:var(--navy-700);font-size:.92rem;white-space:nowrap}
.dd-panel a:hover{background:var(--sky-100);color:var(--blue-600)}
.dd-panel a.danger{color:#b23b3b}
.dd-panel a.danger:hover{background:#fdecec;color:#b23b3b}
.dd-panel a.dd-panel-all{font-weight:500;color:var(--navy-800)}
.dd-panel .ic{width:18px;text-align:center}
.dd-panel-divider{height:1px;background:var(--line);margin:.4rem .2rem}
.user-menu .dd-panel{left:auto;right:0}

/* user trigger (account pill) */
.user-trigger{display:flex;align-items:center;gap:.6rem;background:var(--grad-blue);
  border:1px solid transparent;border-radius:999px;padding:.32rem 1rem .32rem .32rem;cursor:pointer;
  font-family:var(--ff);transition:.16s;max-width:230px}
.user-trigger:hover{filter:brightness(1.12)}
.user-menu.open .user-trigger{box-shadow:0 0 0 3px rgba(30,136,229,.3)}
.user-trigger-avatar{width:32px;height:32px;flex:none;border-radius:50%;background:rgba(255,255,255,.18);
  color:#fff;display:grid;place-items:center;font-family:var(--ff-head);font-size:.95rem}
.user-trigger-text{display:flex;flex-direction:column;line-height:1.2;text-align:left;min-width:0}
.user-trigger-text strong{font-size:.86rem;color:#fff;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}
.user-trigger-text small{font-size:.7rem;color:var(--sky-200)}
.user-trigger .dd-caret{color:#fff}

/* ---------- Hero ---------- */
.member-preview-bar{padding:.7rem max(1rem,calc((100% - 1180px)/2));background:#fff4d6;border-bottom:1px solid #f0cf7a;color:#77520a;font-size:.9rem}
.member-preview-back{position:fixed;right:24px;bottom:24px;z-index:100;display:inline-flex;align-items:center;gap:.55rem;padding:.72rem 1rem;border:1px solid rgba(255,255,255,.42);border-radius:8px;background:#075bb5;color:#fff;box-shadow:0 10px 28px rgba(7,50,104,.28);transition:transform .16s,background .16s,box-shadow .16s}
.member-preview-back:hover{color:#fff;background:#064d98;transform:translateY(-2px);box-shadow:0 14px 32px rgba(7,50,104,.34)}
.member-preview-back>span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.16);font-size:1.05rem;line-height:1}
.member-preview-back b{font-size:.88rem;letter-spacing:0;white-space:nowrap}
@media(max-width:640px){.member-preview-back{right:12px;bottom:12px;padding:.65rem .8rem}.member-preview-back>span{width:26px;height:26px}.member-preview-back b{font-size:.82rem}}

.hero{position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(1200px 520px at 82% -10%,rgba(255,255,255,.28),transparent),
             radial-gradient(900px 500px at 10% 110%,rgba(143,201,251,.45),transparent),
             linear-gradient(135deg,#1461c9 0%,#2b95f5 55%,#57adf7 100%)}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 59h60M59 0v60' stroke='%23ffffff' stroke-opacity='.05'/%3E%3C/svg%3E")}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;padding:84px 0}
.hero .eyebrow{display:inline-flex;align-items:center;gap:.5rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:.4rem 1rem;border-radius:999px;font-size:.82rem;letter-spacing:.06em}
.hero .eyebrow b{color:var(--gold-soft)}
.hero h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.4rem);margin:1.2rem 0 1rem;font-weight:700}
.hero h1 .hl{color:var(--gold-soft)}
.hero p.lead{color:#d5e6f7;font-size:1.12rem;max-width:34rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}

/* ---------- Search bar ---------- */
.search-bar{display:flex;align-items:center;gap:.4rem;background:#fff;border-radius:999px;
  padding:.35rem .35rem .35rem 1.2rem;box-shadow:var(--shadow-md);max-width:560px;border:1px solid rgba(255,255,255,.5)}
.search-bar .ic{color:var(--muted);font-size:1.05rem;flex:none}
.search-bar input{flex:1;min-width:0;border:none;outline:none;background:transparent;
  font-family:var(--ff);font-size:.98rem;color:var(--ink);padding:.65rem .3rem}
.search-bar input::placeholder{color:#9aacc2}
.search-bar button{flex:none;display:inline-flex;align-items:center;gap:.4rem;background:var(--grad-blue);
  color:#fff;border:none;border-radius:999px;padding:.68rem 1.4rem;font-family:var(--ff);font-weight:500;
  font-size:.94rem;cursor:pointer;transition:.18s;white-space:nowrap}
.search-bar button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-bar button.search-clear{width:34px;height:34px;min-width:34px;padding:0;border:0;border-radius:50%;background:transparent;
  color:#8194a8;font-size:1.5rem;font-weight:500;line-height:1;display:grid;place-items:center;box-shadow:none;transform:none}
.search-bar button.search-clear:hover{background:#edf4fb;color:#516b84;filter:none;transform:none}
.search-bar button.search-clear[hidden]{display:none}
.hero-search{margin-top:1.8rem}
.hero-search .search-bar{max-width:480px}
.page-search{margin-bottom:1.6rem;display:flex;justify-content:center}
.page-search .search-bar{width:100%;max-width:480px;min-height:60px;padding:.35rem .4rem .35rem 1.2rem;box-shadow:var(--shadow-sm)}
.page-search .search-bar button[type="submit"]{min-width:82px;min-height:48px;justify-content:center;padding:.7rem 1.25rem}
.page-search-hero{margin-top:1.8rem;margin-bottom:0}
.page-search-hero .search-bar{box-shadow:0 14px 30px rgba(10,50,120,.28)}
.courses-browser{transition:opacity .18s ease}
.courses-browser[aria-busy="true"]{opacity:.55}
@media(max-width:480px){
  .search-bar{padding-left:.9rem}
  .page-search .search-bar button[type="submit"]{min-width:72px;padding:.65rem .9rem}
}
.hero-stats{display:flex;gap:2.2rem;margin-top:2.6rem}
.hero-stats .num{font-family:var(--ff-head);font-size:1.9rem;color:var(--gold-soft);font-weight:700}
.hero-stats .lbl{font-size:.85rem;color:#bcd4ec}
.hero-art{position:relative}
.hero-art .card-float{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:1.1rem;backdrop-filter:blur(6px);box-shadow:var(--shadow-lg)}
.hero-art img{border-radius:14px;aspect-ratio:16/9;object-fit:cover}
.hero-art .mini{display:flex;gap:.7rem;margin-top:.9rem}
.hero-art .mini img{width:100%;margin:0}
.hero-poster{display:block;overflow:hidden;border-radius:14px}
.hero-poster img{border-radius:0;display:block;width:100%;transition:.25s}
.hero-poster:hover img{transform:scale(1.04);opacity:.92}
.hero-wave{display:block;line-height:0}
.hero-wave svg{width:100%;height:70px}

/* ---------- Category pills ---------- */
.cat-filter{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.55rem;margin-bottom:2rem}
.cat-row{display:flex;gap:.7rem;min-width:0;overflow-x:auto;overscroll-behavior-inline:contain;
  scrollbar-width:none;scroll-snap-type:x proximity;padding:.3rem .15rem .55rem;justify-content:center;
  -webkit-overflow-scrolling:touch}
.cat-row::-webkit-scrollbar{display:none}
.cat-filter.is-scrollable .cat-row{justify-content:flex-start;cursor:grab}
.cat-filter.is-dragging .cat-row{cursor:grabbing;scroll-snap-type:none;user-select:none}
.cat-pill{display:inline-flex;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--line);
  flex:none;padding:.6rem 1.15rem;border-radius:999px;color:var(--navy-700);box-shadow:var(--shadow-sm);
  font-size:.95rem;white-space:nowrap;scroll-snap-align:start}
.cat-pill:hover{border-color:var(--blue-400);color:var(--blue-600);transform:translateY(-2px)}
.cat-pill.active{background:var(--navy-800);color:#fff;border-color:var(--navy-800)}
.cat-scroll-btn{width:40px;height:40px;flex:none;border:1px solid #dbe7f2;border-radius:50%;background:#fff;
  display:grid;place-items:center;padding:0;cursor:pointer;box-shadow:0 4px 12px rgba(20,70,125,.1);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}
.cat-scroll-icon{width:9px;height:9px;border-top:2px solid var(--blue-600);border-right:2px solid var(--blue-600)}
.cat-scroll-prev .cat-scroll-icon{transform:rotate(-135deg);margin-left:3px}
.cat-scroll-next .cat-scroll-icon{transform:rotate(45deg);margin-right:3px}
.cat-scroll-btn:hover:not(:disabled){border-color:var(--blue-400);box-shadow:0 6px 16px rgba(20,90,160,.16);transform:translateY(-1px)}
.cat-scroll-btn:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 7px rgba(20,70,125,.12)}
.cat-scroll-btn:focus-visible{outline:3px solid rgba(43,149,245,.22);outline-offset:2px}
.cat-scroll-btn:disabled{opacity:.3;cursor:default;box-shadow:none}
.cat-scroll-btn[hidden]{display:none}
@media(max-width:600px){
  .cat-filter{gap:.35rem;margin-inline:-.25rem}
  .cat-scroll-btn{display:none!important}
  .cat-row{justify-content:flex-start;padding-inline:.25rem}
}

/* ---------- Category grid ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:1rem}
.cat-card{background:#fff;border:1.5px solid var(--line);border-radius:20px;padding:1.6rem 1rem 1.4rem;text-align:center;text-decoration:none;color:inherit;transition:.22s;display:flex;flex-direction:column;align-items:center;gap:.6rem;box-shadow:var(--shadow-sm)}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue-300)}
.cat-card-icon{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-size:1.9rem;flex:none}
.cat-card-name{font-weight:600;color:var(--navy-800);font-size:.96rem;line-height:1.35}
.cat-card-count{font-size:.78rem;color:var(--blue-600);background:var(--sky-100);padding:.18rem .65rem;border-radius:999px;font-weight:500}
@media(max-width:600px){
  .cat-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:.75rem}
  .cat-card{padding:1.2rem .8rem 1rem}
  .cat-card-icon{width:52px;height:52px;font-size:1.5rem}
}

/* ---------- Course grid / cards ---------- */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.7rem}
.course-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#cfe0f0}
.course-thumb{position:relative;overflow:hidden;background:var(--navy-800)}
.course-thumb img{width:100%;height:auto;display:block;transition:.4s}
.course-card:hover .course-thumb img{transform:scale(1.06)}
.course-badge{position:absolute;top:.8rem;left:.8rem;background:rgba(14,74,148,.86);color:#fff;font-size:.74rem;padding:.3rem .7rem;border-radius:999px;backdrop-filter:blur(4px)}
.course-badge.gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold));color:var(--navy-900);font-weight:600}
.course-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.course-cat{font-size:.78rem;color:var(--blue-500);font-weight:500;letter-spacing:.03em}
.course-title{font-size:1.16rem;margin:.35rem 0 .5rem;font-weight:600;color:var(--navy-800)}
.course-desc{color:var(--muted);font-size:.92rem;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin-top:1.1rem;padding-top:1rem;border-top:1px solid var(--line)}
.course-meta .lessons{font-size:.82rem;color:var(--muted)}
.course-more{display:inline-flex;align-items:center;gap:.3rem;font-size:.86rem;font-weight:500;color:var(--blue-600);
  padding:.4rem .9rem;border-radius:999px;border:1.5px solid var(--sky-200);background:var(--sky-50);white-space:nowrap;transition:.16s}
.course-more:hover{background:var(--blue-500);border-color:var(--blue-500);color:#fff}
.course-more span{transition:transform .16s}
.course-more:hover span{transform:translateX(2px)}

/* ---------- Feature / why ---------- */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.4rem}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;text-align:center;box-shadow:var(--shadow-sm)}
.feature .ic{width:60px;height:60px;margin:0 auto 1rem;border-radius:16px;display:grid;place-items:center;font-size:1.7rem;
  background:linear-gradient(135deg,var(--sky-100),var(--sky-200));color:var(--blue-600)}
.feature h3{font-size:1.15rem;margin-bottom:.4rem}
.feature p{color:var(--muted);font-size:.93rem}

.band{background:radial-gradient(800px 400px at 85% -20%,rgba(255,255,255,.18),transparent),linear-gradient(135deg,#1461c9,#2b95f5);color:#fff}
.band .section-head h2{color:#fff}
.band .section-head p{color:#dcecfe}

/* ---------- CTA ---------- */
.cta-box{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2.5rem;padding:42px 46px;border:1px solid rgba(113,185,242,.42);border-top:4px solid #f0b84b;border-radius:8px;background:#125ca8;color:#fff;box-shadow:0 18px 42px rgba(20,97,201,.18)}
.cta-contact-box{background:#0b477f;border-color:rgba(106,177,232,.38);border-top-color:#4eb1ef;box-shadow:0 18px 42px rgba(11,71,127,.18)}
.cta-copy{min-width:0}
.cta-box h2{color:#fff;font-size:clamp(1.55rem,2.6vw,2rem);margin:0;letter-spacing:0}
.cta-box p{color:#d9edff;max-width:42rem;margin:.65rem 0 0;line-height:1.75}
.cta-contact-box p{color:#d5eaff}
.cta-actions{display:flex;align-items:center;justify-content:flex-end;gap:.75rem;flex-wrap:wrap}
.cta-actions .btn{min-height:46px}
.cta-box .btn-ghost{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.42)}
.cta-box .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.72)}
@media(max-width:860px){.cta-box{grid-template-columns:1fr;gap:1.5rem;padding:34px 28px}.cta-actions{justify-content:flex-start}}
@media(max-width:560px){.cta-box{padding:30px 22px}.cta-actions{align-items:stretch;flex-direction:column}.cta-actions .btn{width:100%;justify-content:center;text-align:center}}

/* ---------- Page header ---------- */
.page-head{background:radial-gradient(700px 340px at 88% -30%,rgba(255,255,255,.2),transparent),linear-gradient(135deg,#1461c9,#2b95f5);color:#fff;padding:54px 0 60px}
.page-head h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem)}
.page-head p{color:#eaf4ff;margin-top:.5rem}
.breadcrumb{font-size:.86rem;color:#d6eaff;margin-bottom:.8rem}
.breadcrumb a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.page-head-center{text-align:center}
.page-head-center .breadcrumb,
.page-head-center p{max-width:640px;margin-left:auto;margin-right:auto}
.page-head-center .course-picker{margin:1.8rem auto 0;text-align:left}
.page-head-center .course-picker .course-picker-search{box-shadow:0 14px 30px rgba(10,50,120,.28)}

/* ---------- Course detail ---------- */
.detail-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:2.2rem;align-items:start;margin-top:-40px;position:relative;z-index:3}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.video-wrap{position:relative;padding-top:56.25%;background:#000}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-locked{position:absolute;inset:0;display:grid;place-content:center;text-align:center;gap:1rem;color:#fff;
  background:linear-gradient(135deg,rgba(14,74,148,.94),rgba(26,123,216,.94));padding:2rem}
.video-locked .lock-ic{font-size:2.4rem}
.panel-pad{padding:1.5rem 1.6rem}
.lesson-list{list-style:none}
.lesson-item{display:flex;align-items:center;gap:.9rem;padding:.85rem 1rem;border:1px solid var(--line);border-radius:12px;margin-bottom:.6rem;transition:.18s;cursor:pointer;background:#fff;color:var(--ink);width:100%;text-align:left;font-family:var(--ff);font-size:.95rem}
.lesson-item:hover{border-color:var(--blue-400);background:var(--sky-100)}
.lesson-item.active{border-color:var(--blue-500);background:var(--sky-100);box-shadow:inset 3px 0 0 var(--blue-500)}
.lesson-num{width:30px;height:30px;flex:none;border-radius:50%;background:var(--navy-800);color:#fff;display:grid;place-items:center;font-size:.85rem}
.lesson-item.active .lesson-num{background:var(--blue-500)}
.lesson-info{flex:1}
.lesson-info .lt{font-weight:400;color:var(--navy-800);line-height:1.3}
.lesson-info .lm{font-size:.78rem;color:var(--muted)}
.lesson-tag{font-size:.7rem;padding:.15rem .5rem;border-radius:999px;background:var(--gold-soft);color:var(--navy-900);font-weight:600}
.lesson-tag.lock{background:#eef2f6;color:var(--muted)}
.side-card .meta-row{display:flex;justify-content:space-between;padding:.6rem 0;border-bottom:1px dashed var(--line);font-size:.94rem}
.side-card .meta-row:last-child{border-bottom:0}
.side-card .meta-row span:first-child{color:var(--muted)}
.enroll-status{padding:.85rem 1rem;border-radius:12px;font-size:.9rem;text-align:center;margin:1rem 0;font-weight:500}
.enroll-status.pending{background:#fef9c3;border:1px solid #ecd53f;color:#856404}
.enroll-status.rejected{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}
.badge-count{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;background:var(--gold);color:#fff;border-radius:99px;font-size:.78rem;font-weight:700;margin-left:.4rem}
.price-tag{font-family:var(--ff-head);font-size:2rem;color:var(--navy-800);font-weight:700}

/* ---------- Forms / auth ---------- */
.auth-wrap{max-width:440px;margin:60px auto;padding:0 1rem}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);padding:2.4rem 2.2rem}
.auth-card h1{text-align:center;font-size:1.7rem}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:1.6rem}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.9rem;color:var(--navy-700);margin-bottom:.4rem;font-weight:400}
.field input,.field select,.field textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:12px;font-family:var(--ff);font-size:1rem;background:#fbfdff;transition:.16s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue-400);box-shadow:0 0 0 4px rgba(59,167,230,.15);background:#fff}
.auth-alt{text-align:center;margin-top:1.3rem;color:var(--muted);font-size:.93rem}

/* Password show/hide toggle (wraps any input[type=password]) */
.pw-wrap{position:relative}
.pw-wrap input{padding-right:2.8rem !important}
.pw-toggle{position:absolute;top:50%;right:.6rem;transform:translateY(-50%);width:2rem;height:2rem;
  border:none;background:none;cursor:pointer;font-size:1.05rem;display:grid;place-items:center;
  border-radius:8px;opacity:.65;transition:.15s}
.pw-toggle:hover{opacity:1;background:var(--sky-100)}
.pw-toggle.active{opacity:1}
.demo-note{background:var(--sky-100);border:1px dashed #b9d8f2;border-radius:12px;padding:.9rem 1rem;font-size:.86rem;color:var(--navy-700);margin-bottom:1.4rem}
.demo-note b{color:var(--blue-600)}
.error-box{background:#fdecec;border:1px solid #f5c2c2;color:#b23b3b;padding:.8rem 1rem;border-radius:12px;margin-bottom:1.2rem;font-size:.92rem}
.flash{background:#e7f6ec;border:1px solid #b7e2c6;color:#1f7a45;padding:.8rem 1rem;border-radius:12px;margin:1.4rem 0;font-size:.94rem}

/* ---------- Q&A ---------- */
.qna-thread{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.5rem;margin-bottom:1.1rem;box-shadow:var(--shadow-sm)}
.qna-thread h3{font-size:1.12rem;margin-bottom:.3rem}
.qna-thread h3 a{color:var(--navy-800)}
.qna-thread h3 a:hover{color:var(--blue-600)}
.qna-meta{font-size:.82rem;color:var(--muted);display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:.6rem}
.status-pill{font-size:.72rem;padding:.2rem .65rem;border-radius:999px;font-weight:500}
.status-open{background:#fff3d6;color:#a67405}
.status-answered{background:#e0f3e6;color:#1f7a45}
.status-closed{background:#eceff3;color:#6b7a8d}
.reply{border-left:3px solid var(--sky-200);padding:.7rem 0 .7rem 1rem;margin-top:1rem}
.reply.teacher{border-color:var(--gold)}
.reply .who{font-weight:500;color:var(--navy-800);font-size:.92rem}
.badge-teacher{background:var(--gold-soft);color:var(--navy-900);font-size:.68rem;padding:.1rem .45rem;border-radius:6px;margin-left:.4rem}

/* ---------- Course picker (search combobox — list hidden until focused/typed) ---------- */
.course-picker{position:relative;max-width:420px}
.course-picker-search{display:flex;align-items:center;gap:.6rem;padding:.48rem 1rem;border:1.5px solid var(--line);
  border-radius:999px;background:#fff;box-shadow:var(--shadow-sm);transition:.16s}
.course-picker-search .ic{color:var(--muted);font-size:1rem;flex:none}
.course-picker-search input{flex:1;min-width:0;border:none;outline:none;background:transparent;font-family:var(--ff);font-size:.94rem;color:var(--ink)}
.course-picker-search input::placeholder{color:#9aacc2}
.course-picker-count{flex:none;font-size:.76rem;color:var(--muted);background:var(--sky-50);border:1px solid var(--line);border-radius:999px;padding:.1rem .55rem}
.course-picker.open .course-picker-search{border-color:var(--blue-400);box-shadow:0 0 0 4px rgba(43,149,245,.14)}
.course-picker-dropdown{position:absolute;top:calc(100% + .5rem);left:0;right:0;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-md);overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:.16s;z-index:60}
.course-picker.open .course-picker-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.course-picker-list{max-height:280px;overflow-y:auto}
.course-picker-row{display:flex;align-items:center;gap:.7rem;width:100%;padding:.7rem 1rem;border:none;border-bottom:1px solid var(--line);
  background:#fff;color:var(--navy-700);font-family:var(--ff);font-size:.92rem;text-align:left;cursor:pointer;transition:background .12s}
.course-picker-list a.course-picker-row{color:var(--navy-700)}
.course-picker-row:last-child{border-bottom:none}
.course-picker-row:hover{background:var(--sky-50)}
.course-picker-row.active,.course-picker-row.selected{background:var(--sky-100);color:var(--blue-600);font-weight:500}
.course-picker-row .cpr-ic{flex:none;font-size:1rem}
.course-picker-row .cpr-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.course-picker-row .cpr-check{flex:none;color:var(--blue-500);font-weight:700;opacity:0;transition:opacity .12s}
.course-picker-row.active .cpr-check,.course-picker-row.selected .cpr-check{opacity:1}
.course-picker-empty{display:none;padding:1.6rem 1rem;text-align:center;color:var(--muted);font-size:.88rem}

/* ---------- Dashboard / Profile merged ---------- */
.dash-hero{display:flex;align-items:center;gap:1.2rem}
.dash-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--blue-500),var(--navy-700));display:grid;place-items:center;color:#fff;font-family:var(--ff-head);font-size:1.6rem}

.profile-hero{display:flex;align-items:center;justify-content:center;gap:2.4rem;padding:.4rem 0 .2rem;flex-wrap:wrap}
.profile-avatar-lg{width:92px;height:92px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;font-size:2.6rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:3px solid rgba(255,255,255,.42);box-shadow:0 6px 28px rgba(0,0,0,.22)}
.profile-info{text-align:left}
.profile-info h1{font-size:1.9rem;font-weight:700;margin-bottom:.2rem;color:#fff}
.profile-meta{color:rgba(255,255,255,.8);font-size:.95rem;margin:0 0 .9rem}
.profile-stats{display:flex;gap:.85rem;flex-wrap:wrap}
.pstat{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);border-radius:14px;padding:.5rem 1.3rem;text-align:center;min-width:76px}
.pstat .n{display:block;font-size:1.55rem;font-weight:700;color:#fff;line-height:1}
.pstat .l{display:block;font-size:.71rem;color:rgba(255,255,255,.8);margin-top:.15rem}
.profile-tabs{background:#fff;border-bottom:1.5px solid var(--line)}
.tab-nav{display:flex;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.tab-nav::-webkit-scrollbar{display:none}
.tab-btn{padding:.9rem 1.5rem;font-size:.93rem;font-family:var(--ff);font-weight:500;color:var(--muted);background:none;border:none;border-bottom:2.5px solid transparent;cursor:pointer;white-space:nowrap;transition:color .18s,border-color .18s;flex-shrink:0}
.tab-btn:hover{color:var(--navy-900)}
.tab-btn.active{color:var(--blue-500);border-bottom-color:var(--blue-500)}
.tab-panel{display:none}
.tab-panel.active{display:block}
@media(max-width:600px){
  .profile-hero{flex-direction:column;text-align:center}
  .profile-info{text-align:center}
  .profile-stats{justify-content:center}
}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .ic{font-size:3rem;margin-bottom:.6rem}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.4rem;margin-top:2rem}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;text-align:center;box-shadow:var(--shadow-sm)}
.stat-card .n{font-family:var(--ff-head);font-size:2.2rem;color:var(--blue-600);font-weight:700}
.stat-card .l{color:var(--muted);font-size:.92rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#cdddec;margin-top:70px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;padding:52px 0 36px}
.footer-brand img{width:44px;height:44px;border-radius:50%}
.footer-brand .brand-text strong{color:#fff}
.footer-about{margin-top:1rem;color:#9fb6cd;font-size:.92rem;max-width:32rem}
.site-footer h4{color:#fff;margin-bottom:1rem;font-size:1.02rem}
.site-footer a{display:block;color:#a9c1d8;margin-bottom:.5rem;font-size:.93rem}
.site-footer a:hover{color:var(--gold-soft)}
.footer-contact p{margin:0 0 .55rem;color:#a9c1d8;font-size:.93rem}
.footer-contact p a{display:inline;margin:0;color:#a9c1d8}
.footer-facebook{display:inline-flex!important;align-items:center;gap:.55rem;margin-top:.35rem!important;padding:.42rem .65rem .42rem .45rem;border:1px solid rgba(255,255,255,.14);border-radius:8px;background:rgba(255,255,255,.06);color:#dceafa!important;font-weight:500}
.footer-facebook:hover{border-color:rgba(105,171,255,.55);background:rgba(24,119,242,.18);color:#fff!important}
.footer-facebook-icon{display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#1877f2;color:#fff;font-family:Arial,sans-serif;font-size:1.05rem;font-weight:700;line-height:1}
.footer-external{color:#7fa5c8;font-size:.8rem}
.footer-bar{border-top:1px solid rgba(255,255,255,.08);padding:1.1rem 0;font-size:.85rem;color:#7f97ae}
.top-page-button{position:fixed;right:24px;bottom:24px;z-index:101;width:48px;height:48px;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.45);border-radius:50%;background:#1461c9;color:#fff;box-shadow:0 10px 26px rgba(7,50,104,.3);cursor:pointer;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(10px);transition:opacity .18s,visibility .18s,transform .18s,background .18s}
.top-page-button:hover{background:#0d50ad;transform:translateY(-2px)}
.top-page-button.visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.top-page-button svg{width:22px;height:22px}
.member-preview-back{transition:bottom .18s,transform .16s,background .16s,box-shadow .16s}
.show-top-page .member-preview-back{bottom:84px}
@media(max-width:640px){.top-page-button{right:12px;bottom:12px;width:46px;height:46px}.show-top-page .member-preview-back{bottom:70px}}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:2rem;padding:56px 0}
  .hero-art{order:-1;max-width:460px}
  .detail-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:1.6rem}
}
@media(max-width:760px){
  .nav-burger{display:flex;flex-direction:column;gap:5px;margin-left:auto;cursor:pointer;padding:.4rem}
  .nav-burger span{width:24px;height:2px;background:var(--navy-800);border-radius:2px;transition:.2s}
  .main-nav{position:fixed;top:0;right:0;left:auto;height:100vh;width:min(80%,320px);flex-direction:column;align-items:stretch;
    justify-content:flex-start;gap:0;overflow-y:auto;background:#fff;padding:5rem 1.4rem 2rem;box-shadow:var(--shadow-lg);
    transform:translateX(105%);transition:.28s;z-index:60}
  .nav-pills{position:static;transform:none;flex-direction:column;align-items:stretch;gap:0}
  .nav-link{width:100%;border-radius:0;padding:.85rem .3rem;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav-link.active{border-radius:10px;border-bottom-color:transparent}
  .nav-toggle:checked ~ .main-nav{transform:translateX(0)}
  .hero-stats{gap:1.4rem}
  .header-actions{flex-direction:column;align-items:stretch;gap:.6rem;margin-top:1.3rem;padding-top:1.3rem;border-top:1px solid var(--line)}
  .auth-pill,.btn-outline-pill{justify-content:center;padding-top:.75rem;padding-bottom:.75rem}
  .user-trigger{max-width:none;width:100%}
  .user-trigger-text strong{max-width:none}
  .dd-panel{position:static;box-shadow:none;border:1px solid var(--line);margin-top:.4rem;
    opacity:1;visibility:visible;transform:none;display:none;width:100%}
  .dd-menu.open .dd-panel{display:block}
  .learn-grid{grid-template-columns:1fr !important}
}

/* =====================================================================
   v2 modules: progress, articles, documents, notifications, sections
   ===================================================================== */

/* progress bar */
.progress{height:8px;border-radius:999px;background:var(--sky-100);overflow:hidden}
.progress-bar{height:100%;border-radius:999px;background:var(--grad-blue);transition:width .5s ease}
.progress-lg{height:12px}
.progress-label{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted);margin-bottom:.4rem}
.progress-label b{color:var(--blue-600)}
.course-progress{margin-top:.9rem}

/* completion tick on cards */
.card-progress{padding:0 1.3rem 1.1rem}

/* article cards (reuse course-card visuals + own tweaks) */
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.22s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.article-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--sky-100)}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:1.2rem 1.3rem 1.4rem;display:flex;flex-direction:column;flex:1}
.article-body h3{font-size:1.1rem;margin:.35rem 0 .5rem}
.article-body h3 a{color:var(--navy-800)}
.article-body h3 a:hover{color:var(--blue-600)}
.article-excerpt{color:var(--muted);font-size:.92rem;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;gap:.9rem;font-size:.8rem;color:var(--muted);margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--line)}

/* article body content (single) */
.article-content{max-width:760px;margin:0 auto;font-size:1.06rem;color:#2c4157;line-height:1.85}
.article-content h2,.article-content h3{margin:1.6rem 0 .6rem;color:var(--navy-800)}
.article-content p{margin-bottom:1rem}
.article-content img{border-radius:12px;margin:1rem 0}
.article-hero-cover{max-width:900px;margin:-30px auto 2rem;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-md);position:relative;z-index:3;background:#fff}
.article-hero-cover img{width:100%;height:auto;object-fit:contain}

/* documents list */
.doc-item{display:flex;align-items:center;gap:1rem;padding:.9rem 1.1rem;border:1px solid var(--line);border-radius:12px;margin-bottom:.6rem;transition:.16s}
.doc-item:hover{border-color:var(--blue-400);background:var(--sky-50)}
.doc-ic{width:44px;height:44px;flex:none;border-radius:11px;display:grid;place-items:center;font-size:1.2rem;font-weight:700;color:#fff;font-family:var(--ff-head)}
.doc-ic.pdf{background:#e2574c}.doc-ic.doc{background:#2b7de9}.doc-ic.ppt{background:#e8862e}
.doc-ic.xls{background:#1f9d55}.doc-ic.zip{background:#8256d0}.doc-ic.file{background:var(--blue-500)}
.doc-info{flex:1;min-width:0}
.doc-info .dt{font-weight:500;color:var(--navy-800);font-size:.95rem}
.doc-info .dm{font-size:.78rem;color:var(--muted)}
.doc-lock{font-size:.8rem;color:var(--muted);display:flex;align-items:center;gap:.3rem}

/* notification bell */
.notif-menu{position:relative}
.notif-bell{position:relative;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:1.15rem;display:grid;place-items:center;transition:.16s}
.notif-bell:hover{border-color:var(--blue-400);background:var(--sky-50)}
.notif-dot{position:absolute;top:-3px;right:-3px;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:#e2574c;color:#fff;font-size:.68rem;font-weight:600;display:grid;place-items:center;border:2px solid #fff}
.notif-panel{position:absolute;top:calc(100% + .6rem);right:0;width:340px;max-width:88vw;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(-6px);transition:.16s;z-index:80;overflow:hidden}
.notif-menu.open .notif-panel{opacity:1;visibility:visible;transform:translateY(0)}
.notif-head{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.1rem;border-bottom:1px solid var(--line)}
.notif-head strong{font-size:.98rem;color:var(--navy-800)}
.notif-head a{font-size:.8rem}
.notif-mark-all{padding:0;border:0;background:none;color:var(--blue-600);font-family:var(--ff);font-size:.8rem;cursor:pointer}
.notif-mark-all:hover{text-decoration:underline}
.notif-mark-all:focus-visible{outline:2px solid var(--blue-400);outline-offset:3px}
.notif-list{max-height:380px;overflow-y:auto}
.notif-row{display:flex;gap:.7rem;padding:.8rem 1.1rem;border-bottom:1px solid var(--line);color:var(--ink);font-size:.9rem}
.notif-row:hover{background:var(--sky-50)}
.notif-row.unread{background:var(--sky-50)}
.notif-row .nic{font-size:1.1rem}
.notif-row .nmsg{flex:1;line-height:1.4}
.notif-row .ntime{font-size:.74rem;color:var(--muted);margin-top:.2rem}
.notif-empty{padding:2.4rem 1rem;text-align:center;color:var(--muted);font-size:.9rem}

/* learn page layout */
.learn-grid{display:grid;grid-template-columns:1fr 360px;gap:1.6rem;align-items:start}
.lesson-section-title{font-family:var(--ff-head);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue-600);margin:1.1rem 0 .6rem;padding-left:.2rem}
.lesson-item.done .lesson-num{background:#1f9d55}
.lesson-check{width:22px;height:22px;flex:none;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:.7rem;color:transparent}
.lesson-item.done .lesson-check{background:#1f9d55;border-color:#1f9d55;color:#fff}

/* tabs (learn page) */
.ltabs{display:flex;gap:.4rem;border-bottom:1px solid var(--line);margin-bottom:1.2rem}
.ltab{padding:.7rem 1.1rem;border:none;background:none;font-family:var(--ff);font-size:.95rem;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.ltab:hover{color:var(--blue-600)}
.ltab.active{color:var(--blue-600);border-bottom-color:var(--blue-500);font-weight:500}
.ltab-panel{display:none}
.ltab-panel.active{display:block}

/* certificate */
.certificate{max-width:820px;margin:2rem auto;background:#fff;border:3px solid var(--blue-500);border-radius:20px;padding:3rem;text-align:center;box-shadow:var(--shadow-lg);position:relative}
.certificate::before{content:"";position:absolute;inset:12px;border:1px solid var(--sky-200);border-radius:12px;pointer-events:none}
.certificate .cert-seal{font-size:3rem}
.certificate h1{font-size:2rem;color:var(--blue-600);margin:.5rem 0}
.certificate .cert-name{font-family:var(--ff-head);font-size:1.8rem;color:var(--navy-800);margin:1rem 0;border-bottom:2px solid var(--sky-200);display:inline-block;padding:0 2rem .3rem}