/* ===== TOKENS ===== */
:root{--navy:#0a1628;--navy-mid:#112240;--teal:#0b8f7f;--teal-light:#12b5a2;--gold:#e8a942;--gold-light:#f5c870;--cream:#f8f5ef;--text:#1e2a3a;--muted:#6b7b8d;--border:rgba(11,143,127,.18);--card:#fff;--nav-h:70px;--radius:14px;--sh-sm:0 2px 12px rgba(10,22,40,.08);--sh-md:0 8px 32px rgba(10,22,40,.14);--bad:#c0392b;--ok:#0a6b5e}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--cream);line-height:1.65;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-family:'Playfair Display',serif;line-height:1.2}a{color:var(--teal);text-decoration:none}a:hover{color:var(--teal-light)}
img{max-width:100%}main{min-height:60vh}.text-teal{color:var(--teal-light)!important}.text-gold{color:var(--gold)!important}
/* ===== NAVBAR ===== */
.site-nav{height:var(--nav-h);background:rgba(10,22,40,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06);position:sticky;top:0;z-index:1000;transition:box-shadow .3s}
.site-nav.scrolled{box-shadow:0 4px 30px rgba(0,0,0,.35)}
.nav-brand{display:flex;align-items:center;gap:10px}.nav-brand-logo{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--teal);background:#fff}
.nav-brand-name{font-family:'Playfair Display',serif;font-size:1.45rem;font-weight:700;background:linear-gradient(120deg,var(--teal-light),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1}
.nav-brand-tagline{font-size:.6rem;color:rgba(255,255,255,.45);letter-spacing:.12em;text-transform:uppercase;margin-top:1px}
.site-nav .navbar-nav .nav-link{color:rgba(255,255,255,.78)!important;font-size:.88rem;font-weight:500;padding:6px 13px!important;border-radius:8px;transition:color .2s,background .2s}
.site-nav .navbar-nav .nav-link:hover,.site-nav .navbar-nav .nav-link.active{color:#fff!important;background:rgba(11,143,127,.22)}
.site-nav .nav-link i{width:16px}
.site-nav .dropdown-menu{background:rgba(10,22,40,.98);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px;min-width:210px;box-shadow:0 12px 28px rgba(0,0,0,.28);margin-top:10px}
.site-nav .dropdown-item{color:rgba(255,255,255,.78);font-size:.88rem;font-weight:500;border-radius:8px;padding:10px 12px}
.site-nav .dropdown-item:hover,.site-nav .dropdown-item.active{color:#fff;background:rgba(11,143,127,.22)}.site-nav .dropdown-item i{width:18px}
.btn-nav-login{font-size:.82rem;font-weight:600;padding:7px 18px;border-radius:8px;border:1.5px solid rgba(255,255,255,.25);color:rgba(255,255,255,.85)!important;transition:.2s}
.btn-nav-login:hover{border-color:var(--teal-light);color:var(--teal-light)!important}
.btn-nav-register{font-size:.82rem;font-weight:600;padding:7px 18px;border-radius:8px;background:linear-gradient(135deg,var(--teal),var(--teal-light));color:#fff!important;border:0;transition:.2s}
.btn-nav-register:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 14px rgba(11,143,127,.4)}
.user-chip{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.88)!important;font-size:.85rem;font-weight:500;padding:5px 10px;border-radius:10px}.user-chip:hover{background:rgba(255,255,255,.08)}
.navbar-toggler{border:0;background:transparent;padding:0}.navbar-toggler:focus{box-shadow:none}.toggler-bar{display:block;width:22px;height:2px;background:#fff;border-radius:2px;margin:4px 0}
/* ===== AVATAR / FLASH / PROGRESS / TOP ===== */
.av{width:40px;height:40px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,var(--teal),var(--gold));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex:none}
.flash-wrap{padding-top:14px}.flash-wrap .alert{border:0;border-radius:var(--radius);font-weight:500;box-shadow:var(--sh-sm);animation:slideDown .35s ease}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.alert-success{background:#e6f7f4;color:#0a6b5e;border-left:4px solid var(--teal)}.alert-danger{background:#fef0f0;color:#9b1c1c;border-left:4px solid #e05252}
#scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--teal),var(--gold));z-index:9999}
#back-to-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--teal),var(--teal-light));color:#fff;border:0;box-shadow:0 4px 20px rgba(11,143,127,.4);opacity:0;pointer-events:none;transform:translateY(10px);transition:.3s;z-index:998}
#back-to-top.visible{opacity:1;pointer-events:auto;transform:none}
/* ===== FOOTER ===== */
.site-footer{background:var(--navy);color:rgba(255,255,255,.75);padding:72px 0 32px;margin-top:80px;position:relative;overflow:hidden}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--teal),var(--gold),var(--teal-light))}
.site-footer::after{content:'';position:absolute;top:-180px;right:-120px;width:500px;height:500px;background:radial-gradient(circle,rgba(11,143,127,.1),transparent 70%);pointer-events:none}
.footer-brand-name{font-family:'Playfair Display',serif;font-size:1.6rem;font-weight:700;background:linear-gradient(120deg,var(--teal-light),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand-tag{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.4)}.footer-desc{font-size:.9rem;color:rgba(255,255,255,.55);max-width:300px}
.footer-col-title{font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:18px}
.footer-links{list-style:none;padding:0}.footer-links li{margin-bottom:10px}.footer-links a{color:rgba(255,255,255,.6);font-size:.88rem}.footer-links a:hover{color:var(--teal-light)}
.footer-divider{border-color:rgba(255,255,255,.08);margin:36px 0 24px}.footer-bottom{font-size:.8rem;color:rgba(255,255,255,.4)}
/* ===== BUTTONS ===== */
.btn{border-radius:10px;font-weight:600;font-size:.92rem;padding:.6rem 1.25rem;transition:.2s}
.btn-teal{background:linear-gradient(135deg,var(--teal),var(--teal-light));color:#fff;border:0}.btn-teal:hover{color:#fff;transform:translateY(-1px);box-shadow:0 6px 18px rgba(11,143,127,.35)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-light));color:#2a1d00;border:0}.btn-gold:hover{color:#2a1d00;transform:translateY(-1px);box-shadow:0 6px 18px rgba(232,169,66,.4)}
.btn-ghost{background:transparent;border:1.5px solid var(--teal);color:var(--teal)}.btn-ghost:hover{background:var(--teal);color:#fff}
.btn-light-ghost{background:rgba(255,255,255,.08);border:1.5px solid rgba(255,255,255,.25);color:#fff}.btn-light-ghost:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-danger-soft{background:#fdecea;color:var(--bad);border:0}.btn-danger-soft:hover{background:var(--bad);color:#fff}
.btn.is-loading{pointer-events:none;opacity:.7}.btn.is-loading::after{content:'';display:inline-block;width:14px;height:14px;margin-left:8px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;vertical-align:-2px;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}.btn.disabled{opacity:.45;pointer-events:none}
/* ===== SECTIONS ===== */
.eyebrow{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal)}
.page-hero{background:radial-gradient(900px 300px at 85% -20%,rgba(11,143,127,.35),transparent),linear-gradient(135deg,var(--navy),var(--navy-mid));color:#fff;padding:54px 0 46px;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(1.8rem,4vw,2.7rem);margin:.3rem 0}.page-hero p{color:rgba(255,255,255,.65);margin:0;max-width:620px}.page-hero .eyebrow{color:var(--gold-light)}
.section{padding:48px 0 8px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:12px}.section-head h2{font-size:1.8rem;margin:2px 0 0}
.link-arrow{font-weight:600;font-size:.9rem;white-space:nowrap}.link-arrow i{font-size:.75rem;transition:.2s}.link-arrow:hover i{transform:translateX(4px)}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--sh-sm);padding:24px}
.chip{position:absolute;left:12px;top:12px;background:rgba(10,22,40,.78);color:#fff;font-size:.72rem;font-weight:600;padding:4px 12px;border-radius:99px;backdrop-filter:blur(6px)}
.chip-soft{background:rgba(11,143,127,.1);color:var(--teal);font-size:.74rem;font-weight:700;padding:4px 12px;border-radius:99px}
.st{font-size:.74rem;font-weight:700;padding:4px 12px;border-radius:99px;text-transform:capitalize;background:#eef2f4;color:#52606d;white-space:nowrap}
.st-published,.st-completed,.st-SUCCESS{background:#e6f7f4;color:var(--ok)}.st-under_review,.st-registered{background:#eef6ff;color:#1a4a7a}.st-rejected{background:#fef0f0;color:#9b1c1c}.st-submitted{background:#fffbeb;color:#7c4a00}
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}[data-reveal].in{opacity:1;transform:none}
/* ===== HERO SLIDER / INTRO ===== */
.hero-slider{position:relative;height:clamp(380px,62vh,560px);background:var(--navy);overflow:hidden}
.hs-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .8s ease}.hs-slide.active{opacity:1;visibility:visible}
.hs-slide>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 7s ease}.hs-slide.active>img{transform:scale(1)}
.hs-bg{position:absolute;inset:0;background:linear-gradient(135deg,var(--teal),var(--navy))}
.hs-ov{position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,22,40,.92),rgba(10,22,40,.25) 65%,rgba(10,22,40,.5))}
.hs-cap{position:absolute;left:0;right:0;bottom:56px;color:#fff}.hs-cap h2{font-size:clamp(1.6rem,4.2vw,3rem);max-width:760px;margin:.4rem 0 .6rem}.hs-cap .eyebrow{color:var(--gold-light)}.hs-cap p{color:rgba(255,255,255,.75)}
.hs-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(10,22,40,.4);color:#fff;z-index:3;backdrop-filter:blur(6px);transition:.2s}.hs-nav:hover{background:var(--teal)}.hs-nav.prev{left:18px}.hs-nav.next{right:18px}
.hs-dots{position:absolute;right:28px;bottom:22px;display:flex;gap:8px;z-index:3}.hs-dots i{width:9px;height:9px;border-radius:99px;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}.hs-dots i.active{width:26px;background:var(--gold)}
.hs-bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.12);z-index:3}.hs-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal-light),var(--gold))}
.intro{background:radial-gradient(700px 400px at 80% 0,rgba(11,143,127,.4),transparent),radial-gradient(500px 300px at 0 100%,rgba(232,169,66,.18),transparent),linear-gradient(135deg,var(--navy),var(--navy-mid));color:#fff;padding:96px 0 84px}
.intro h1{font-size:clamp(2.2rem,5.5vw,3.8rem);max-width:760px}.intro h1 span{background:linear-gradient(120deg,var(--teal-light),var(--gold-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.intro p{color:rgba(255,255,255,.7);max-width:560px;font-size:1.08rem}
/* ===== ARTICLE CARDS ===== */
.a-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;color:var(--text);box-shadow:var(--sh-sm);transition:transform .25s,box-shadow .25s}
.a-card:hover{transform:translateY(-5px);box-shadow:var(--sh-md);color:var(--text)}
.a-img{position:relative;height:190px;overflow:hidden;background:linear-gradient(135deg,var(--teal),var(--navy))}.a-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.a-card:hover .a-img img{transform:scale(1.06)}
.a-ph{height:100%;display:flex;align-items:center;justify-content:center;font-size:2.4rem;color:rgba(255,255,255,.35)}
.a-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}.a-body h3{font-size:1.15rem;margin-bottom:12px}
.a-by{display:flex;align-items:center;gap:8px;font-size:.84rem;font-weight:500;margin-bottom:10px}.a-by .av{font-size:.75rem}
.a-meta{display:flex;gap:14px;color:var(--muted);font-size:.78rem;margin-bottom:12px;flex-wrap:wrap}.a-meta i{margin-right:4px}
.a-more{margin-top:auto;color:var(--teal);font-weight:600;font-size:.86rem}.a-more i{font-size:.7rem;transition:.2s}.a-card:hover .a-more i{transform:translateX(4px)}
.author-card{text-align:center;position:relative}.author-card .rank{position:absolute;top:12px;left:14px;font-family:'Playfair Display',serif;font-size:1.4rem;color:var(--gold)}.author-card .av{width:76px;height:76px;font-size:1.8rem;margin-bottom:10px;border:3px solid #fff;box-shadow:var(--sh-sm)}
.filters{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--sh-sm);margin-top:-28px;position:relative;z-index:2}
/* ===== FORMS ===== */
.form-label{font-size:.82rem;font-weight:600;color:var(--text);margin-bottom:5px}
.form-control,.form-select{border-radius:10px;border:1.5px solid #dde4e8;padding:.65rem .9rem;font-size:.94rem}.form-control:focus,.form-select:focus{border-color:var(--teal-light);box-shadow:0 0 0 .2rem rgba(18,181,162,.18)}
.pw{position:relative}.pw .form-control{padding-right:44px}.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--muted);padding:8px}
.strength{height:4px;border-radius:4px;background:#e8edef;margin-top:6px;overflow:hidden}.strength i{display:block;height:100%;width:0;transition:.3s}
.auth-wrap{max-width:980px;margin:56px auto 0;display:grid;grid-template-columns:5fr 6fr;background:#fff;border-radius:20px;overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--border)}
.auth-side{background:radial-gradient(400px 300px at 100% 0,rgba(11,143,127,.5),transparent),linear-gradient(160deg,var(--navy),var(--navy-mid));color:#fff;padding:44px 36px}.auth-side h2{font-size:1.9rem}.auth-side ul{list-style:none;padding:0;margin:26px 0 0}.auth-side li{margin-bottom:14px;color:rgba(255,255,255,.75);font-size:.92rem}.auth-side li i{color:var(--gold);width:24px}
.auth-form{padding:40px 38px}.auth-form h1{font-size:1.7rem}
.ql-toolbar.ql-snow{border-radius:10px 10px 0 0;border-color:#dde4e8;background:#fafbfb}.ql-container.ql-snow{border-radius:0 0 10px 10px;border-color:#dde4e8;font-family:'DM Sans',sans-serif;font-size:1rem;background:#fff}.ql-editor{min-height:340px;line-height:1.8}
.wc{height:6px;background:#e8edef;border-radius:6px;overflow:hidden;margin-top:8px}.wc i{display:block;height:100%;width:0;background:var(--gold);transition:.3s}.wc.ok i{background:var(--teal-light)}
/* ===== ARTICLE PAGE ===== */
.article-hero{position:relative;background:var(--navy);color:#fff;padding:56px 0 130px;overflow:hidden}.article-hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.article-hero .container{position:relative}.article-hero h1{font-size:clamp(1.8rem,4.4vw,3rem);max-width:820px;margin:.6rem 0 1rem}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;font-size:.88rem;color:rgba(255,255,255,.8)}.meta-row i{color:var(--gold-light);margin-right:6px}
.article-card{max-width:820px;margin:-80px auto 0;position:relative;background:#fff;border-radius:18px;box-shadow:var(--sh-md);border:1px solid var(--border);padding:44px 48px}
.article-body{font-size:1.1rem;line-height:1.9}.article-body h1,.article-body h2,.article-body h3{margin:1.6em 0 .6em}.article-body blockquote{border-left:4px solid var(--teal);padding:4px 18px;color:var(--muted);background:rgba(11,143,127,.05);border-radius:0 10px 10px 0}
.ql-align-center{text-align:center}.ql-align-right{text-align:right}.ql-align-justify{text-align:justify}
.like-btn{background:#fff;border:1.5px solid #f0c6c6;color:#c0392b;border-radius:99px;padding:8px 20px;font-weight:600}.like-btn.on{background:#c0392b;border-color:#c0392b;color:#fff}.like-btn.pop i{animation:pop .4s}
@keyframes pop{50%{transform:scale(1.5)}}
.bio{display:flex;gap:18px;align-items:flex-start;background:var(--cream);border-radius:var(--radius);padding:22px;margin-top:36px}.bio .av{width:68px;height:68px;font-size:1.6rem}
/* ===== TABLES / PROFILE ===== */
.tbl-wrap{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--sh-sm)}
.tbl{width:100%;border-collapse:collapse}.tbl th{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:14px 18px;background:#fafbfb;text-align:left;white-space:nowrap}.tbl td{padding:14px 18px;border-top:1px solid #eef2f3;font-size:.92rem;vertical-align:middle}.tbl tr:hover td{background:#fbfdfd}
.profile-head{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.profile-head .av{width:92px;height:92px;font-size:2.2rem;border:4px solid rgba(255,255,255,.2)}
.nav-pills .nav-link{color:var(--text);font-weight:600;font-size:.9rem;border-radius:10px;padding:9px 18px}.nav-pills .nav-link.active{background:linear-gradient(135deg,var(--teal),var(--teal-light))}
/* ===== MODULES ===== */
.m-card{height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh-sm);transition:.25s}.m-card:hover{transform:translateY(-5px);box-shadow:var(--sh-md)}
.m-img{height:160px;background:linear-gradient(135deg,var(--navy),var(--teal));overflow:hidden}.m-img img{width:100%;height:100%;object-fit:cover}.m-ph{height:100%;display:flex;align-items:center;justify-content:center;font-size:2.6rem;color:rgba(255,255,255,.4)}
.m-body{padding:20px;display:flex;flex-direction:column;flex:1}.m-body h3{font-size:1.2rem;margin:12px 0}.m-actions{margin-top:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding-top:10px}
.fee{font-weight:700;color:var(--navy)}.fee.free{color:var(--teal)}
.reg-card{position:sticky;top:90px}.reg-card .price{font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:700}
.result-icon{width:92px;height:92px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2.4rem;margin:0 auto 18px;animation:pop .6s}.result-icon.ok{background:#e6f7f4;color:var(--teal)}.result-icon.bad{background:#fef0f0;color:var(--bad)}
/* ===== LEARNING ===== */
.learn-grid{display:grid;grid-template-columns:310px 1fr;gap:24px;margin-top:-26px;position:relative}
.side{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px;align-self:start;position:sticky;top:90px;box-shadow:var(--sh-sm);max-height:calc(100vh - 110px);overflow:auto}
.side h6{font-family:'DM Sans',sans-serif;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:16px 0 6px}
.step{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;color:var(--text);font-size:.9rem;font-weight:500}.step i{width:18px;text-align:center;color:var(--muted)}
.step:hover{background:rgba(11,143,127,.08);color:var(--text)}.step.cur{background:rgba(11,143,127,.14);font-weight:700}.step.cur i{color:var(--teal)}.step.done i{color:var(--teal-light)}.step.locked{color:#a5b0b8;cursor:not-allowed}
.lesson{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:32px;box-shadow:var(--sh-sm)}
.pbar{height:7px;background:#e8edef;border-radius:6px;overflow:hidden}.pbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--teal-light));transition:width .4s}
#txt{max-height:60vh;overflow:auto;padding-right:12px;font-size:1.05rem;line-height:1.85}video{width:100%;border-radius:12px;background:#000}
.q{background:var(--cream);border-radius:12px;padding:16px 18px;margin-bottom:14px}.q label{display:flex;gap:10px;align-items:center;padding:8px 12px;margin-top:6px;background:#fff;border:1.5px solid #e3e9ec;border-radius:10px;cursor:pointer;font-weight:500}.q label:hover{border-color:var(--teal-light)}.q input{accent-color:var(--teal)}
/* ===== CERTIFICATE ===== */
.cert{max-width:960px;margin:28px auto;background:#fffdf8;padding:14px;box-shadow:var(--sh-md);position:relative}
.cert-frame{border:3px solid #b58a2b;outline:1px solid #b58a2b;outline-offset:-10px;padding:42px 56px;text-align:center;position:relative;overflow:hidden;background:radial-gradient(circle at 50% 50%,#fffdf8,#fbf5e6)}
.cert-frame::before{content:'';position:absolute;inset:0;background:var(--wm) center/320px no-repeat;opacity:.05;pointer-events:none}
.cert-top{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;font-size:.8rem;color:var(--muted)}.cert-top img{width:62px;height:62px;border-radius:50%;object-fit:cover}.cert-org{display:flex;align-items:center;gap:12px;color:var(--navy)}.cert-org b{font-family:'Playfair Display',serif;font-size:1.2rem}
.cert h1{font-size:clamp(1.8rem,4vw,2.9rem);letter-spacing:.04em;color:var(--navy);margin:22px 0 4px}.cert .sub{letter-spacing:.3em;text-transform:uppercase;font-size:.72rem;color:#b58a2b;font-weight:700}
.cert .ph2{width:104px;height:104px;border-radius:50%;object-fit:cover;border:4px solid #b58a2b;margin:14px auto 0;display:block}.cert .nm{font-family:'Playfair Display',serif;font-style:italic;font-size:clamp(1.9rem,4.5vw,3rem);color:var(--teal);margin:6px 0;border-bottom:1px solid #d9c48a;display:inline-block;padding:0 36px 4px}
.cert .body{max-width:640px;margin:14px auto;font-size:1.05rem;color:#3b4654}.stamp{display:inline-block;margin-top:22px;border:2px solid #1d4ed8;color:#1d4ed8;border-radius:10px;padding:9px 16px;font-size:.78rem;font-weight:600;transform:rotate(-2deg);max-width:340px;background:rgba(29,78,216,.04)}
.seal{position:absolute;right:56px;bottom:46px;width:92px;height:92px;border-radius:50%;background:radial-gradient(circle,#f5c870,#b58a2b);color:#fff;display:flex;align-items:center;justify-content:center;font-size:2.2rem;box-shadow:0 4px 14px rgba(0,0,0,.25)}
/* ===== MISC ===== */
.verify-box{max-width:620px;margin:-28px auto 0;position:relative}.verify-ok{border-left:5px solid var(--teal)}
@media(max-width:991px){.site-nav{height:auto;padding:12px 0}.navbar-collapse{background:rgba(10,22,40,.98);border-radius:var(--radius);margin-top:10px;padding:12px 8px;border:1px solid rgba(255,255,255,.08)}.btn-nav-login,.btn-nav-register{display:block;text-align:center;margin:4px 0}.site-footer{padding:48px 0 28px}.learn-grid{grid-template-columns:1fr}.side{position:static;max-height:none}.reg-card{position:static}.hs-nav{display:none}}
@media(max-width:768px){.auth-wrap{grid-template-columns:1fr;margin-top:24px}.auth-side{display:none}.article-card{padding:26px 20px;margin-top:-60px}.cert-frame{padding:26px 18px}.seal{display:none}.auth-form{padding:28px 22px}}
@media print{@page{size:A4 landscape;margin:8mm}.site-nav,.site-footer,#scroll-progress,#back-to-top,.noprint,.flash-wrap{display:none!important}body{background:#fff}.cert{box-shadow:none;margin:0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}[data-reveal]{opacity:1;transform:none}}
/* ===== EDITOR / RICH CONTENT / AGREEMENT ===== */
.ta-left{text-align:left}.ta-center{text-align:center}.ta-right{text-align:right}.ta-justify{text-align:justify}
.article-body table,.lesson table{display:block;overflow-x:auto;width:max-content;max-width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96rem}
.article-body th,.article-body td,.lesson th,.lesson td{border:1px solid #d5dee3;padding:10px 14px;vertical-align:top}
.article-body th{background:rgba(11,143,127,.08);font-weight:700}.article-body tr:nth-child(even) td{background:#fafcfc}.article-body{overflow-wrap:anywhere}
.tox-tinymce{border-radius:10px!important;border:1.5px solid #dde4e8!important}
.form-check-input{width:1.15em;height:1.15em;border-color:#9fb0b8}.form-check-input:checked{background-color:var(--teal);border-color:var(--teal)}.form-check-input:focus{box-shadow:0 0 0 .2rem rgba(18,181,162,.2);border-color:var(--teal-light)}
.agree-box{background:rgba(232,169,66,.1);border:1.5px solid rgba(232,169,66,.45);border-radius:12px;padding:16px 18px}
.submit-bar{position:sticky;bottom:0;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--border);margin:24px -24px -24px;padding:14px 24px;border-radius:0 0 var(--radius) var(--radius);display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;z-index:5}
.legal{max-width:860px}.legal section{margin-bottom:30px;scroll-margin-top:90px}.legal h2{font-size:1.3rem;color:var(--navy)}.legal p,.legal li{color:#33414f}.legal li{margin-bottom:6px}
.toc{position:sticky;top:90px;font-size:.88rem}.toc a{display:block;padding:5px 10px;border-left:2px solid var(--border);color:var(--muted)}.toc a:hover{color:var(--teal);border-color:var(--teal)}

.st-pending{background:#fffbeb;color:#7c4a00}.st-approved{background:#e6f7f4;color:var(--ok)}
/* ===== ADMIN / SEARCH / QUIZ BUILDER ===== */
.us{position:relative}.us-list{position:absolute;left:0;right:0;top:100%;margin-top:6px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:var(--sh-md);max-height:320px;overflow:auto;z-index:30}
.us-item{display:flex;flex-direction:column;padding:10px 16px;color:var(--text);border-bottom:1px solid #eef2f3}.us-item:hover,.us-item.on{background:rgba(11,143,127,.08);color:var(--text)}.us-item span{font-size:.8rem;color:var(--muted)}.us-empty{padding:14px 16px;color:var(--muted)}
.q-card{background:var(--cream);border-radius:12px;padding:16px;margin-bottom:12px}.q-card input[type=radio]{accent-color:var(--teal);width:18px;height:18px;flex:none}
.badge-line{display:flex;flex-wrap:wrap;gap:6px}.danger-zone{border:1.5px solid #f3c4bf;background:#fff8f7}
/* ===== MOBILE / RESPONSIVE ===== */
html{-webkit-text-size-adjust:100%}.form-control,.form-select{font-size:16px}.tbl-wrap{-webkit-overflow-scrolling:touch}
@media(max-width:991px){.profile-head .btn{margin-left:0!important}.article-hero{padding:40px 0 110px}.nav-pills{flex-wrap:nowrap!important;overflow-x:auto;white-space:nowrap;padding-bottom:6px;-webkit-overflow-scrolling:touch}.nav-pills .nav-link{flex:none}}
@media(max-width:640px){
 .btn:not(.btn-sm){min-height:44px}.container{padding-left:16px;padding-right:16px}.section{padding-top:34px}.section-head{flex-direction:column;align-items:flex-start}.section-head h2{font-size:1.45rem}
 .page-hero{padding:38px 0 42px}.filters{margin-top:-20px;padding:14px}.panel{padding:18px}.lesson{padding:18px}.learn-grid{margin-top:-16px}.reg-card .price{font-size:1.8rem}
 .hero-slider{height:380px}.hs-cap{bottom:46px}.hs-dots{right:16px;bottom:18px}.intro{padding:64px 0 56px}
 .submit-bar{margin:20px -18px -18px;padding:12px 16px}.submit-bar .btn{width:100%}.profile-head{flex-direction:column;align-items:flex-start;gap:14px}.profile-head .av{width:72px;height:72px}
 .m-actions .btn,.m-actions form{flex:1}.m-actions form .btn{width:100%}.verify-box{margin-top:-20px}.auth-wrap{border-radius:14px}.article-card{padding:22px 16px}.bio{flex-direction:column}
 .cert-top{flex-direction:column;align-items:flex-start}.cert-frame{padding:22px 14px}.cert h1{font-size:1.6rem}.cert .nm{padding:0 10px}.stamp{max-width:100%}
 .tbl,.tbl tbody{display:block}.tbl tr.th-row{display:none}.tbl tr{display:block;padding:10px 14px;border-top:1px solid #eef2f3}.tbl tr:first-child{border-top:0}
 .tbl td{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 0;border:0;text-align:right}.tbl td::before{content:attr(data-label);font-weight:600;color:var(--muted);text-align:left;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;flex:none}
 .tbl td[colspan]{display:block;text-align:center}.tbl td[colspan]::before{display:none}.tbl td form{justify-content:flex-end}.tbl tr:hover td{background:none}
 .site-footer{padding:40px 0 24px;margin-top:56px}#back-to-top{right:16px;bottom:16px}
}
@media print{.cert{box-shadow:none}}
.captcha-box{background:var(--cream);border:1px dashed rgba(11,143,127,.35);border-radius:12px;padding:14px 16px}.cap-img{width:320px;max-width:100%;height:auto;border:1px solid var(--border);border-radius:10px;background:#fff;-webkit-user-select:none;user-select:none}
/* ===== TOP AUTHORS ===== */
.rank-row{display:flex;align-items:center;gap:12px;padding:10px 0}.rank-row+.rank-row{border-top:1px solid #eef2f3}
.rk{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;background:#eef2f4;color:#52606d;flex:none}.rk1{background:#f5c870;color:#5a3d00}.rk2{background:#dfe5ea;color:#3d4852}.rk3{background:#e8c7a1;color:#5a3417}
/* ===== CONTENT PROTECTION: no selecting / dragging page content (form fields, certificate ID and admins excepted) ===== */
body{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
input,textarea,select,[contenteditable="true"],.allow-select,.tox,body.allow-copy,body.allow-copy *{-webkit-user-select:text;user-select:text}
img,a{-webkit-user-drag:none;user-drag:none}

/* ===== CSS-ONLY COVERS (replace listing pictures: zero image requests) ===== */
.cover{position:relative;height:118px;overflow:hidden;color:#fff;background:linear-gradient(135deg,#0b8f7f,#0a1628)}
.cover::before{content:"";position:absolute;inset:0;background:radial-gradient(circle,rgba(255,255,255,.2) 1.5px,transparent 2px) 0 0/20px 20px,linear-gradient(115deg,transparent 38%,rgba(255,255,255,.10) 50%,transparent 62%)}
.cover::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.3),transparent);transform:skewX(-20deg);transition:left .7s ease}
.a-card:hover .cover::after,.m-card:hover .cover::after{left:130%}
.cover-ic{position:absolute;right:18px;bottom:-10px;font-size:4.8rem;opacity:.22;transition:transform .45s ease,opacity .45s}
.a-card:hover .cover-ic,.m-card:hover .cover-ic{transform:rotate(-8deg) scale(1.12);opacity:.38}
.hs-bg{background-size:140% 140%}.hs-slide.active .hs-bg{animation:bgpan 14s ease-in-out infinite alternate}
.hs-ic{position:absolute;right:7%;top:46%;transform:translateY(-50%);font-size:clamp(7rem,22vw,17rem);opacity:.13;animation:floaty 7s ease-in-out infinite}
@keyframes bgpan{from{background-position:0 0}to{background-position:100% 100%}}@keyframes floaty{50%{transform:translateY(-58%) rotate(-4deg)}}
.g1{background-image:linear-gradient(135deg,#0b8f7f,#0a1628)}.g2{background-image:linear-gradient(135deg,#112240,#12b5a2)}.g3{background-image:linear-gradient(135deg,#0a1628,#c98a1b)}
.g4{background-image:linear-gradient(135deg,#0b8f7f,#e8a942)}.g5{background-image:linear-gradient(135deg,#1d3557,#0b8f7f)}.g6{background-image:linear-gradient(135deg,#134e4a,#d9a441)}
.m-card .cover{height:104px}.m-body{padding-top:16px}
/* ===== POLISH: page transition, nav underline, focus ring ===== */
main{animation:pageIn .4s ease both}@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.site-nav .navbar-nav .nav-link{position:relative}.site-nav .navbar-nav .nav-link::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--teal-light),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .25s}
.site-nav .navbar-nav .nav-link:hover::after,.site-nav .navbar-nav .nav-link.active::after{transform:scaleX(1)}.site-nav .dropdown-toggle::after{display:inline-block}.site-nav .nav-link.dropdown-toggle::after{position:static;transform:none;height:auto;background:none;border-radius:0}
:focus-visible{outline:2px solid var(--teal-light);outline-offset:2px}
.panel,.m-card,.a-card{transition:transform .25s,box-shadow .25s,border-color .25s}.panel:hover{border-color:rgba(11,143,127,.35)}
.btn:active{transform:translateY(1px) scale(.99)}

/* ===== TICKETS / CONVERSATION ===== */
.st-open{background:#fffbeb;color:#7c4a00}.st-answered{background:#eef6ff;color:#1a4a7a}.st-closed{background:#eef2f4;color:#52606d}
.msg{max-width:88%;padding:12px 16px;border-radius:16px;margin-bottom:14px}.msg .msg-body{white-space:pre-line;margin-top:4px}.msg small{display:block;color:var(--muted);font-size:.74rem;margin-top:8px}
.msg.user{background:#e6f7f4;margin-left:auto;border-bottom-right-radius:4px}.msg.admin{background:#fff;border:1px solid var(--border);margin-right:auto;border-bottom-left-radius:4px}
@media(max-width:640px){.msg{max-width:96%}}

/* article workflow statuses */
.st-draft{background:#eef2f7;color:#475569}.st-returned{background:#fff1dc;color:#9a4a00}
/* Mobile: the account dropdown opens inline inside the menu instead of off-screen */
@media(max-width:991px){
.site-nav .navbar-collapse{max-height:calc(100vh - 84px);overflow-y:auto}
.site-nav .navbar-collapse .d-flex{flex-wrap:wrap}
.site-nav .navbar-collapse .dropdown{width:100%}
.site-nav .navbar-collapse .dropdown>.user-chip{width:100%}
.site-nav .navbar-collapse .dropdown>.dropdown-menu{position:static!important;inset:auto!important;transform:none!important;float:none;width:100%;min-width:0;max-width:100%;margin:6px 0 0;box-shadow:none}
.site-nav .dropdown-item{white-space:normal}
}