:root,html[data-eduvia-color-scheme="light"]{color-scheme:light;--bg-canvas:#f5f9ff;--bg-grid:rgba(0,74,152,.035);--sidebar-bg:#f8fafd;--sidebar-border:#e4edf7;--nav-text:#334155;--nav-hover-bg:rgba(7,142,232,.08);--nav-active-bg:#e1f0ff;--nav-active-border:rgba(7,142,232,.22);--nav-active-text:#035397;--header-bg:rgba(255,255,255,.96);--surface:#fff;--surface-soft:#f8fbff;--surface-elevated:#eff7fd;--border:#d9e8f5;--border-strong:#b8d9f3;--text-main:#0a2342;--text-secondary:#475569;--text-muted:#64748b;--primary:#078ee8;--primary-dark:#0569b4;--success:#0d9488;--success-bg:#e6f7f2;--danger:#dc2626;--danger-bg:rgba(220,38,38,.08);--card-shadow:0 8px 24px -6px rgba(12,52,96,.065),0 2px 6px -1px rgba(12,52,96,.035)}
html[data-eduvia-color-scheme="dark"]{color-scheme:dark;--bg-canvas:#0b1120;--bg-grid:rgba(56,189,248,.04);--sidebar-bg:#121722;--sidebar-border:#222e42;--nav-text:#cbd5e1;--nav-hover-bg:rgba(255,255,255,.065);--nav-active-bg:rgba(56,189,248,.15);--nav-active-border:rgba(56,189,248,.25);--nav-active-text:#e0f2fe;--header-bg:rgba(15,23,42,.94);--surface:#151f32;--surface-soft:#1a263d;--surface-elevated:#0f172a;--border:#23324a;--border-strong:#2e4768;--text-main:#f1f5f9;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--primary:#38bdf8;--primary-dark:#0284c7;--success:#34d399;--success-bg:rgba(16,185,129,.14);--danger:#f87171;--danger-bg:rgba(248,113,113,.12);--card-shadow:0 10px 28px rgba(0,0,0,.35)}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100dvh;font-family:'Outfit',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text-main);background-color:var(--bg-canvas);background-image:linear-gradient(var(--bg-grid) 1px,transparent 1px),linear-gradient(90deg,var(--bg-grid) 1px,transparent 1px);background-size:24px 24px;overflow-x:hidden}button,input,select,textarea{font:inherit}button,a,select{ -webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}button{cursor:pointer}input,select,textarea{outline:0}::selection{background:#abddfd;color:#064d88}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{letter-spacing:-.035em}h1,h2,h3{line-height:1.18}h1{font-size:clamp(30px,4.4vw,56px);font-weight:900}h2{font-size:clamp(24px,2.5vw,33px);font-weight:900}h3{font-size:17px;font-weight:800}p{line-height:1.65;color:var(--text-secondary)}small{font-size:12px;color:var(--text-muted)}.tiny{font-size:12px}.muted{color:var(--text-muted)}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.13em;text-transform:uppercase;color:var(--primary)}.blue-text{color:var(--primary)}.divider{height:1px;background:var(--border);margin:22px 0}.text-link,.back-link{font-weight:700;color:var(--primary);font-size:13px}.text-link:hover,.back-link:hover{text-decoration:underline}.back-link{display:inline-block;margin:0 0 20px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:16px;letter-spacing:-.04em;color:var(--text-main);white-space:nowrap;line-height:1.12}.brand:hover{color:var(--text-main)}.brand em{font-style:normal;color:var(--primary)}.brand small{display:block;font-size:8px;letter-spacing:.14em;margin-top:5px;color:var(--text-muted);font-weight:800}.brand-mark{width:37px;height:37px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#079ef4,#00539c);color:white;font-size:21px;box-shadow:0 5px 15px rgba(7,142,232,.23);flex:0 0 auto}.btn{border:1px solid transparent;border-radius:12px;min-height:42px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:750;font-size:13px;line-height:1.25;text-align:center;transition:transform .22s ease,box-shadow .22s ease,background .2s,color .2s,border-color .2s;cursor:pointer;white-space:normal}.btn:hover{transform:translateY(-2px)}.btn.primary{color:#fff;background:#078ee8;box-shadow:0 7px 16px rgba(7,142,232,.16)}.btn.primary:hover{background:#0573c0;color:#fff;box-shadow:0 10px 24px rgba(7,142,232,.23)}.btn.outline{border-color:var(--border-strong);background:var(--surface);color:var(--primary-dark)}html[data-eduvia-color-scheme="dark"] .btn.outline{color:var(--primary)}.btn.ghost{background:transparent;color:var(--text-secondary);border-color:var(--border)}.btn.white{background:#fff;color:#035397}.btn.text-danger{color:var(--danger);border-color:var(--danger-bg);background:var(--danger-bg)}.btn.small{font-size:12px;min-height:35px;padding:8px 12px;border-radius:10px}.btn.large{min-height:49px;padding:13px 22px;font-size:13.5px}.btn.full{width:100%}.site-header{position:sticky;top:0;z-index:40;max-width:none;height:75px;padding:0 max(4.8%,calc((100vw - 1260px)/2));background:var(--header-bg);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:20px}.main-links{display:flex;align-items:center;gap:34px;margin:auto}.main-links a{font-size:13px;font-weight:650;color:var(--text-secondary)}.main-links a:hover{color:var(--primary)}.top-actions,.header-right{display:flex;align-items:center;gap:9px}.theme-toggle{border:1px solid var(--border);border-radius:999px;background:var(--surface-soft);padding:9px 13px;min-height:36px;display:inline-flex;align-items:center;gap:7px;color:var(--text-secondary);font-size:12px;font-weight:750}.theme-toggle:hover{color:var(--primary);border-color:var(--primary)}.public-main{padding-bottom:32px}.container{width:min(1180px,calc(100% - 44px));margin:0 auto}.inside-top{padding-top:38px;padding-bottom:55px}.hero{width:min(1240px,calc(100% - 56px));margin:0 auto;min-height:574px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:55px;padding:40px 0 35px}.hero-copy{padding:16px 0 0}.hero-pill{display:inline-flex;align-items:center;gap:9px;color:var(--primary-dark);background:var(--nav-active-bg);font-size:10px;font-weight:900;letter-spacing:.1em;border:1px solid var(--nav-active-border);padding:9px 14px;border-radius:999px}.dot{width:7px;height:7px;border-radius:50%;background:#08b89b;box-shadow:0 0 0 4px rgba(8,184,155,.13)}.hero h1{font-size:clamp(42px,5.1vw,72px);letter-spacing:-.07em;line-height:1.05;margin:24px 0 22px;color:var(--text-main)}.hero h1 span,.page-lead h1 span{color:#078ee8}.hero-copy>p{font-size:15px;max-width:520px;line-height:1.85}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-trust{display:flex;align-items:center;gap:13px;margin-top:36px}.trust-avatars{display:flex;align-items:center;margin-left:7px}.trust-avatars span{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;border:3px solid var(--bg-canvas);margin-left:-7px;background:#078ee8}.trust-avatars span:nth-child(2){background:#14b8a6}.trust-avatars span:nth-child(3){background:#7266db}.hero-trust strong{display:block;font-size:12px}.hero-trust small{display:block;margin-top:3px;font-size:11px}.hero-visual{height:460px;position:relative;display:flex;align-items:center;justify-content:center}.visual-orbit{position:absolute;inset:30px 25px;border:1px dashed rgba(7,142,232,.26);border-radius:50%;transform:rotate(-20deg)}.orbit-two{inset:0 55px;transform:rotate(28deg)}.visual-dots{position:absolute;inset:5px;background-image:radial-gradient(rgba(7,142,232,.2) 1.5px,transparent 1.5px);background-size:19px 19px;opacity:.6;mask-image:radial-gradient(ellipse,black,transparent 75%)}.hero-glass-card{position:relative;z-index:2;width:min(100%,430px);min-height:405px;padding:22px;border-radius:32px;border:1px solid rgba(255,255,255,.5);background:linear-gradient(145deg,#e6f4ff 0%,#cbe6fa 48%,#8cc5ef 100%);box-shadow:0 25px 65px rgba(6,78,132,.18),inset 0 0 28px rgba(255,255,255,.66);transform:rotate(-3deg);overflow:hidden}.hero-card-top,.hero-card-bottom{display:flex;align-items:center;justify-content:space-between}.sparkle{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;background:#078ee8;color:#fff;font-size:24px}.card-detail-tag{font-size:9px;font-weight:900;letter-spacing:.12em;color:#14629e}.hero-abstract{height:265px;display:grid;place-items:center;position:relative}.abstract-disc{width:214px;height:214px;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(155deg,#097ed5,#053970);box-shadow:16px 22px 32px rgba(4,75,136,.32),inset 9px 9px 22px rgba(255,255,255,.13);transform:rotate(11deg);position:relative;z-index:2}.abstract-disc:after{content:'';position:absolute;inset:16px;border:1px solid rgba(255,255,255,.25);border-radius:50%}.abstract-disc span{font-weight:900;font-size:38px;color:white;letter-spacing:-.06em}.abstract-disc span span{color:#74d8ff}.abstract-disc small{color:#d2f2ff;letter-spacing:.4em;font-size:12px;font-weight:700}.math-a,.math-b{position:absolute;color:#167ec0;font-weight:900;font-size:29px;letter-spacing:-.04em;opacity:.52}.math-a{top:25px;left:10px;transform:rotate(-15deg)}.math-b{right:10px;bottom:25px;transform:rotate(18deg)}.math-b sub{font-size:12px}.hero-card-bottom b{display:block;color:#053e6c;font-size:16px}.hero-card-bottom small{display:block;color:#326185;margin-top:5px}.round-arrow{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;color:#fff;background:#078ee8;font-size:21px}.float-pill{position:absolute;z-index:5;border-radius:999px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--card-shadow);padding:11px 16px;font-size:11px;font-weight:800;color:var(--text-main);white-space:nowrap}.float-one{top:48px;left:-20px;transform:rotate(5deg)}.float-two{right:-24px;bottom:40px;transform:rotate(-6deg)}.feature-stat-row{width:min(1210px,calc(100% - 44px));margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:22px 25px;background:var(--surface);border:1px solid var(--border);border-radius:22px;box-shadow:var(--card-shadow)}.feature-stat-row>div{padding:7px 24px;border-right:1px solid var(--border)}.feature-stat-row>div:last-child{border-right:0}.feature-stat-row b{display:block;font-size:25px;letter-spacing:-.05em;font-weight:900}.feature-stat-row span{display:block;font-size:11px;color:var(--text-muted);margin-top:5px}.section-section,.how-section{width:min(1210px,calc(100% - 44px));margin:65px auto 0}.section-title-row,.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:15px;margin-bottom:24px}.section-title-row h2,.section-head h2{margin:7px 0 8px}.section-title-row p,.section-head p{font-size:13px;margin:0}.subjects-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.subject-card{padding:21px 20px;min-height:142px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--card-shadow);transition:transform .23s,border-color .2s,box-shadow .2s}.subject-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 16px 30px rgba(7,142,232,.13)}.subject-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:#078ee8;background:#eaf6ff;font-size:22px;font-weight:850;margin-bottom:14px}.subject-card b{display:block;font-size:14px;margin-bottom:7px}.subject-card small{display:block;font-size:11px}.tutor-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tutor-card{background:var(--surface);border:1px solid var(--border);border-radius:22px;padding:21px;box-shadow:var(--card-shadow);transition:transform .23s,border-color .23s;display:flex;flex-direction:column;min-height:311px}.tutor-card:hover{transform:translateY(-4px);border-color:var(--border-strong)}.tutor-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.tutor-avatar{height:65px;width:65px;display:grid;place-items:center;border-radius:19px;background:linear-gradient(140deg,#cdeaff,#8ac9f4);color:#045a9d;font-weight:900;font-size:23px}.tutor-card:nth-child(3n+2) .tutor-avatar{background:linear-gradient(135deg,#cdf5ee,#82d7ca);color:#126f67}.tutor-card:nth-child(3n+3) .tutor-avatar{background:linear-gradient(135deg,#e8e2ff,#b3a4ee);color:#6053ae}.subject-chip{display:inline-block;background:var(--nav-active-bg);color:var(--primary-dark);border:1px solid var(--nav-active-border);padding:6px 10px;border-radius:8px;font-size:10px;font-weight:800;width:max-content}.tutor-card h3{margin:12px 0 6px;font-size:18px}.tutor-tagline{font-size:12px;min-height:33px;margin-bottom:10px;line-height:1.5}.tutor-meta{display:flex;flex-direction:column;gap:7px;color:var(--text-secondary);font-size:11.5px;margin-bottom:22px}.tutor-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:15px;margin-top:auto;border-top:1px solid var(--border)}.tutor-foot b{font-size:19px;font-weight:900}.tutor-foot small{display:block;font-size:10px}.status{border-radius:999px;display:inline-flex;align-items:center;font-size:10px;font-weight:800;padding:5px 9px;white-space:nowrap}.status.ok{color:var(--success);background:var(--success-bg)}.status.warn{color:#b36b12;background:rgba(251,191,36,.14)}.status.bad{color:var(--danger);background:var(--danger-bg)}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.how-grid>div{border:1px solid var(--border);padding:23px;border-radius:20px;background:var(--surface);position:relative}.step-count{position:absolute;right:23px;top:19px;color:var(--border-strong);font-weight:900;font-size:26px}.step-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:var(--nav-active-bg);color:var(--primary);font-size:26px;margin-bottom:20px}.how-grid h3{font-size:17px;margin-bottom:7px}.how-grid p{font-size:12px;margin-bottom:0}.join-banner{width:min(1210px,calc(100% - 44px));margin:66px auto 15px;padding:45px 48px;border-radius:25px;background:linear-gradient(110deg,#034b86,#078ee8);color:white;display:flex;align-items:center;justify-content:space-between;gap:25px;position:relative;overflow:hidden}.join-banner:after{content:'✦';position:absolute;right:19%;top:-55px;font-size:260px;opacity:.06}.join-banner h2{margin:9px 0 12px;max-width:560px;color:white}.join-banner p{max-width:600px;color:#d9eeff;font-size:13px;margin:0}.join-banner .eyebrow{color:#a7e4ff}.join-banner .btn{position:relative;z-index:1}.site-footer{margin-top:50px;background:var(--surface);border-top:1px solid var(--border)}.footer-inner{width:min(1210px,calc(100% - 44px));margin:0 auto;padding:37px 0;display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer-inner p{font-size:12px;max-width:260px;margin:17px 0 0}.footer-inner b{display:block;font-size:12px;margin:8px 0 14px}.footer-inner a:not(.brand){display:block;font-size:12px;color:var(--text-muted);margin-bottom:11px}.footer-bottom{text-align:center;border-top:1px solid var(--border);padding:16px;font-size:11px;color:var(--text-muted)}
/* Catalog / common content */
.page-lead{margin-bottom:27px}.page-lead h1{font-size:clamp(30px,4.1vw,46px);margin:12px 0 8px}.page-lead h2{margin:10px 0 9px}.page-lead p{max-width:670px;font-size:13.5px;margin:0}.page-lead.narrow{max-width:790px}.filter-panel{display:grid;grid-template-columns:1.15fr 1fr 1fr .9fr auto;gap:12px;align-items:end;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:var(--card-shadow)}label{font-size:12px;color:var(--text-secondary);font-weight:700;display:flex;flex-direction:column;gap:7px}input:not([type=checkbox]),select,textarea{display:block;width:100%;min-height:42px;padding:10px 12px;border:1px solid var(--border-strong);border-radius:11px;background:var(--surface-soft);color:var(--text-main);font-size:13px;transition:border-color .16s,box-shadow .16s}textarea{resize:vertical;line-height:1.55}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(7,142,232,.11)}input[type=file]{font-size:11px!important}.results-row{display:flex;justify-content:space-between;align-items:center;margin:29px 0 16px}.results-row h2{font-size:19px;margin:0}.empty{padding:40px 20px;background:var(--surface);border:1px dashed var(--border-strong);border-radius:19px;display:flex;align-items:center;flex-direction:column;justify-content:center;text-align:center;margin:12px 0}.empty-icon{width:50px;height:50px;border-radius:16px;background:var(--nav-active-bg);display:grid;place-items:center;color:var(--primary);font-size:25px;margin-bottom:13px}.empty h3{font-size:17px;margin:0 0 7px}.empty p{font-size:12px;max-width:420px;margin:0 0 17px}.empty p:empty{display:none}.detail-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.88fr);gap:20px;align-items:start}.card,.panel{background:var(--surface);border:1px solid var(--border);border-radius:21px;padding:23px;box-shadow:var(--card-shadow)}.detail-profile{display:flex;align-items:center;gap:22px}.profile-avatar{width:110px;height:110px;border-radius:27px;background:linear-gradient(145deg,#c6e9ff,#89c7f3);color:#045c9d;display:grid;place-items:center;font-size:42px;font-weight:900;flex:0 0 auto}.detail-profile h1{font-size:29px;margin:11px 0 4px}.detail-profile p{font-size:13px}.detail-main>h3{margin:24px 0 9px}.body-text{white-space:normal;font-size:13px}.slot-list{display:flex;gap:9px;flex-wrap:wrap}.slot-chip{padding:11px 13px;border-radius:13px;background:var(--surface-soft);border:1px solid var(--border);display:flex;flex-direction:column;gap:4px;min-width:138px}.slot-chip span{font-size:11px;color:var(--text-muted)}.slot-chip b{font-size:14px}.slot-chip small{font-size:10px}.pricing-panel{position:sticky;top:96px}.pricing-panel h2{font-size:31px;margin:10px 0}.pricing-panel h2 small{font-size:12px;font-weight:500;letter-spacing:normal}.pricing-panel>p{font-size:12px;margin-bottom:24px}.line-list{display:flex;flex-direction:column}.line-list>div{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:13px 0;border-bottom:1px solid var(--border);font-size:12px}.line-list>div span{color:var(--text-muted)}.line-list>div strong,.line-list>div b{text-align:right;font-size:12px}.pricing-panel>.btn{margin-top:21px}.lock-note{font-size:11px;line-height:1.6;color:var(--text-muted);margin-top:14px}.notice{background:var(--surface-elevated);border:1px solid var(--border-strong);padding:13px 16px;border-radius:13px;font-size:12px;line-height:1.6;margin-bottom:18px}.notice p{font-size:12px;margin:5px 0 0}.notice.success{border-color:rgba(16,185,129,.24);background:var(--success-bg)}.notice.warning{border-color:rgba(251,191,36,.34);background:rgba(251,191,36,.09)}.notice.error{border-color:rgba(220,38,38,.24);background:var(--danger-bg);color:var(--danger)}
/* Authentication */
.auth-area{max-width:1020px;width:calc(100% - 44px);margin:54px auto 40px;display:grid;grid-template-columns:.84fr 1.16fr;min-height:525px;overflow:hidden;border:1px solid var(--border);border-radius:26px;background:var(--surface);box-shadow:var(--card-shadow)}.auth-visual{padding:45px 36px;background:linear-gradient(145deg,#045da0,#078ee8 67%,#3bb8f3);display:flex;flex-direction:column;justify-content:center;color:white;position:relative;overflow:hidden}.auth-visual:after{content:'✦';position:absolute;right:-70px;bottom:-80px;font-size:370px;opacity:.08}.auth-symbol{width:80px;height:80px;display:grid;place-items:center;border-radius:25px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);font-size:49px;margin-bottom:22px}.auth-visual h2{color:#fff;font-size:32px;max-width:340px}.auth-visual p{color:#d8efff;font-size:13px;max-width:330px}.auth-card{border:none;border-radius:0;box-shadow:none;padding:45px 44px;align-self:center}.auth-card h1{font-size:27px;margin:9px 0}.auth-card>.muted{font-size:12px;margin-bottom:25px}.form-stack{display:flex;flex-direction:column;gap:16px}.form-stack .btn{margin-top:3px}.auth-foot{text-align:center;font-size:12px;margin:22px 0 0}.auth-foot a{font-weight:850;color:var(--primary)}.register-area{min-height:650px}.register-area .auth-card{padding-top:30px;padding-bottom:30px}.two-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.role-switch{display:grid;grid-template-columns:1fr 1fr;gap:7px;background:var(--surface-soft);border:1px solid var(--border);padding:5px;border-radius:13px;margin:15px 0 21px}.role-switch a{font-weight:700;text-align:center;font-size:12px;padding:11px;border-radius:9px;color:var(--text-muted)}.role-switch a.on{color:#fff;background:#078ee8;box-shadow:0 4px 10px rgba(7,142,232,.2)}.small-subheading{border-top:1px solid var(--border);padding-top:17px;font-size:14px;font-weight:800}.auth-card .notice{margin:0}
/* Portal shell */
.portal-shell{display:flex;min-height:100dvh}.sidebar{width:249px;flex:0 0 249px;background:var(--sidebar-bg);border-right:1px solid var(--sidebar-border);position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;z-index:40;transition:transform .26s ease,width .24s ease,flex-basis .24s ease}.sidebar-brand{height:76px;padding:17px 14px;border-bottom:1px solid var(--sidebar-border);display:flex;align-items:center;justify-content:space-between}.sidebar-brand .brand{font-size:15px}.sidebar-brand .brand-mark{width:33px;height:33px;font-size:19px}.sidebar-close{display:none!important}.side-scroll{flex:1;overflow:auto;padding:20px 10px}.nav-label{display:block;color:var(--text-muted);font-size:10px;letter-spacing:.08em;font-weight:800;padding:4px 13px 10px}.nav-label.separated{border-top:1px solid var(--border);padding-top:19px;margin-top:17px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 13px;margin-bottom:4px;min-height:40px;border-radius:999px;font-size:13px;font-weight:550;color:var(--nav-text);border:1px solid transparent;transition:all .17s}.nav-item:hover{background:var(--nav-hover-bg);color:var(--text-main)}.nav-item.active{background:var(--nav-active-bg);color:var(--nav-active-text);border-color:var(--nav-active-border);font-weight:800}.nav-glyph{font-size:18px;width:20px;text-align:center;color:var(--primary);line-height:1}.sidebar-footer{padding:13px;border-top:1px solid var(--border)}.mini-profile{display:flex;align-items:center;gap:10px;padding:5px 2px 13px}.avatar{width:36px;height:36px;background:linear-gradient(145deg,#0a96e8,#11b6b3);color:white;display:inline-grid;place-items:center;flex:0 0 auto;border-radius:50%;font-size:12px;font-weight:900}.mini-profile b{display:block;max-width:147px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-profile small{display:block;font-size:10px;margin-top:3px}.logout{width:100%;background:var(--danger-bg);border:1px solid rgba(220,38,38,.15);border-radius:999px;color:var(--danger);text-align:left;padding:10px 13px;font-size:12px;font-weight:700}.workspace{display:flex;flex:1;flex-direction:column;min-width:0}.workspace-header{position:sticky;top:0;z-index:30;height:78px;background:var(--header-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;padding:12px 30px}.header-left{display:flex;align-items:center;gap:13px}.header-left h1{font-size:21px;letter-spacing:-.03em;margin:3px 0 0}.icon-button{background:var(--surface-soft);border:1px solid var(--border);width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-size:21px;color:var(--text-secondary)}.icon-button:hover{border-color:var(--primary);color:var(--primary)}.header-right .avatar{height:33px;width:33px}.workspace-body{max-width:1420px;width:100%;margin:0 auto;flex:1;padding:26px 30px 40px}.workspace-foot{border-top:1px solid var(--border);padding:15px 30px;color:var(--text-muted);font-size:11px;text-align:center}.welcome{border:1px solid var(--border);border-left:5px solid var(--primary);background:var(--surface);border-radius:21px;box-shadow:var(--card-shadow);padding:26px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px}.welcome h2{font-size:24px;margin:7px 0 6px}.welcome h2 span{color:var(--primary)}.welcome p{font-size:12px;margin:0}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px;margin-bottom:17px}.metric{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--card-shadow);min-height:125px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.metric-icon{background:var(--nav-active-bg);width:37px;height:37px;display:grid;place-items:center;border-radius:12px;color:var(--primary);font-size:22px;margin-bottom:10px}.metric strong{font-size:24px;font-weight:900;letter-spacing:-.04em;line-height:1.15;word-break:break-word}.metric small{display:block;margin-top:7px;font-size:11px}.panel{margin-bottom:17px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.panel-head h3{margin:0 0 4px}.panel-head small{display:block}.contract-list{display:flex;flex-direction:column}.contract-line{display:flex;align-items:center;gap:13px;padding:13px 0;border-bottom:1px solid var(--border)}.contract-line:last-child{border-bottom:0}.contract-line>div:nth-child(2){flex:1;min-width:0}.contract-line b,.contract-line strong{font-size:13px;display:block}.contract-line small{display:block;margin-top:4px}.contract-line>.btn{margin-left:auto}.row-end{display:flex;align-items:center;gap:10px;justify-content:flex-end;flex-wrap:wrap}.row-end b{margin-right:auto}.two-panels{display:grid;grid-template-columns:1fr 1fr;gap:18px}.action-tile{display:block;border:1px solid var(--border);background:var(--surface);padding:27px;border-radius:21px;box-shadow:var(--card-shadow)}.action-tile:hover{border-color:var(--primary)}.action-icon{width:50px;height:50px;border-radius:15px;background:var(--nav-active-bg);color:var(--primary);font-size:27px;display:grid;place-items:center;margin-bottom:18px}.action-tile h3{font-size:19px;margin:0 0 10px}.action-tile p{font-size:12px}.action-tile b{font-size:12px;color:var(--primary)}.stack-list{display:flex;flex-direction:column;gap:15px}.stack-list .panel{margin:0}.contract-item .contract-line{padding:0 0 18px}.contract-item .row-end{padding-top:16px}.price-label{font-weight:850;margin-right:auto}.price-label small{font-weight:400}.contract-layout{grid-template-columns:1.1fr .9fr}.important-box{border-radius:14px;padding:15px;border:1px solid rgba(251,191,36,.34);background:rgba(251,191,36,.08);margin:18px 0}.important-box b{font-size:13px}.important-box p{font-size:12px;margin:5px 0 0}.terms-scroll{border:1px solid var(--border);background:var(--surface-soft);border-radius:12px;padding:18px;max-height:470px;overflow:auto;font-size:12px;line-height:1.9;white-space:normal}.sign-panel{align-self:start;position:sticky;top:98px}.sign-panel>p{font-size:12px}.check-row{display:flex;flex-direction:row;gap:9px;align-items:flex-start;font-size:11px;font-weight:550;line-height:1.5}.check-row input{width:16px;height:16px;accent-color:#078ee8;margin:1px 0 0;flex:0 0 auto}.check-row span{flex:1}.sign-panel label small{line-height:1.5}.contract-doc{max-width:780px;margin:0 auto 15px;padding:35px}.contract-doc-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.contract-doc h2{margin:11px 0 22px}.doc-data{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:26px}.doc-data div{background:var(--surface-soft);padding:12px;border:1px solid var(--border);border-radius:11px}.doc-data small,.doc-data b{display:block}.doc-data b{font-size:12px;margin-top:5px}.terms-text{font-size:12px;line-height:1.9;white-space:normal;padding:20px 0;border-top:1px solid var(--border)}.signature-box{border-top:1px solid var(--border);margin-top:20px;padding-top:22px;display:flex;flex-direction:column;align-items:flex-end}.signature-box small{margin-bottom:13px}.signature-box strong{font-size:27px;font-weight:800;font-style:italic;color:var(--primary)}.signature-box span{color:var(--text-muted);font-size:11px;margin-top:7px}.document-hash{overflow-wrap:anywhere;font-size:10px;color:var(--text-muted);margin-top:30px}.action-row{display:flex;align-items:center;gap:12px;max-width:780px;margin:0 auto}.schedule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.schedule-card{margin:0}.schedule-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:19px}.schedule-top h3{font-size:23px;margin:5px 0}.schedule-top small{font-size:11px}.schedule-icon{width:47px;height:47px;border-radius:13px;background:var(--nav-active-bg);display:grid;place-items:center;color:var(--primary);font-size:24px}.booking-title{display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.booking-title h3{margin:5px 0 5px}.booking-title p{font-size:11px;margin:0 0 16px}.booking-item .row-end{border-top:1px solid var(--border);padding-top:15px}.bank-box{padding:18px;background:var(--surface-soft);border:1px dashed var(--primary);border-radius:15px;margin:17px 0}.bank-box small,.bank-box b,.bank-box strong{display:block}.bank-box b{font-size:20px;margin:9px 0}.bank-box strong{font-size:12px}.max-card{max-width:740px}.small-profile{width:55px;height:55px;border-radius:16px;font-size:21px}.tutor-tools{grid-template-columns:.9fr 1.1fr}.slot-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--border)}.slot-row:last-child{border-bottom:none}.slot-row b{display:block;font-size:12px}.slot-row small{display:block;margin-top:5px}.table-scroll{width:100%;overflow:auto}.data-table{width:100%;border-collapse:collapse;text-align:left;font-size:12px;min-width:690px}.data-table th{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;background:var(--surface-soft);font-weight:800}.data-table th,.data-table td{padding:14px 12px;border-bottom:1px solid var(--border);vertical-align:top}.data-table td small{display:block;line-height:1.7;margin-top:5px;max-width:240px;word-wrap:break-word}.data-table td details{margin-top:8px;max-width:240px}.data-table td details summary{cursor:pointer;color:var(--primary);font-size:11px}.data-table td details p{font-size:11px}.table-actions{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.table-link{display:block;color:var(--primary);font-size:11px;font-weight:800;margin-top:8px}.subject-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.subject-list div{padding:11px 0;border-bottom:1px solid var(--border)}.subject-list b{font-size:12px;display:block}.subject-list small{display:block;margin-top:4px}.prose{max-width:850px;padding:30px}.prose h3{margin:23px 0 8px}.prose p{font-size:13px}.setup-body{min-height:100dvh;display:grid;place-items:center;padding:30px 12px}.setup-box{width:min(720px,100%)}.setup-box>.brand{margin-bottom:20px}.setup-box>h1{font-size:32px;margin:0 0 7px}.setup-box>.muted{font-size:13px}.setup-box h3{font-size:16px;margin:9px 0 -4px}
@media(max-width:1150px){.main-links{gap:17px}.hero{gap:20px}.hero h1{font-size:clamp(40px,5vw,61px)}.hero-visual{height:430px}.hero-glass-card{width:380px;min-height:388px}.float-one{left:-10px}.float-two{right:-10px}.filter-panel{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-panel .btn{align-self:end}.schedule-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace-body{padding:20px}.workspace-header{padding:10px 20px}}
@media(max-width:850px){.site-header{padding:0 20px}.main-links{display:none}.hero{grid-template-columns:1fr;min-height:auto;padding-top:50px;gap:13px}.hero-copy{max-width:650px}.hero-visual{height:400px}.hero-glass-card{min-height:355px;width:350px}.hero-abstract{height:225px}.abstract-disc{height:180px;width:180px}.abstract-disc span{font-size:32px}.feature-stat-row{grid-template-columns:repeat(2,1fr)}.feature-stat-row>div:nth-child(2){border-right:0}.feature-stat-row>div:nth-child(-n+2){border-bottom:1px solid var(--border);padding-bottom:18px}.feature-stat-row>div:nth-child(n+3){padding-top:18px}.subjects-grid{grid-template-columns:repeat(2,1fr)}.tutor-grid{grid-template-columns:repeat(2,1fr)}.footer-inner{grid-template-columns:1.5fr 1fr 1fr}.detail-layout,.contract-layout{grid-template-columns:1fr}.pricing-panel,.sign-panel{position:static}.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-110%);width:min(280px,85vw);flex-basis:auto;box-shadow:18px 0 44px rgba(0,0,0,.1)}.mobile-open .sidebar{transform:translateX(0)}.mobile-shade{position:fixed;inset:0;background:rgba(2,16,36,.48);z-index:35;display:none}.mobile-open .mobile-shade{display:block}.sidebar-close{display:grid!important}.workspace{width:100%}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sign-panel{width:100%}}
@media(max-width:620px){.site-header{height:66px;padding:0 13px;gap:8px}.site-header .brand{font-size:13px;gap:7px}.site-header .brand-mark{width:32px;height:32px;font-size:17px}.site-header .brand small{font-size:6.5px}.top-actions{gap:6px}.top-actions .btn{font-size:11px;padding:8px 10px;min-height:35px}.theme-toggle{padding:8px 10px}.theme-toggle span,.hide-mobile{display:none!important}.container,.section-section,.how-section,.feature-stat-row,.join-banner{width:calc(100% - 26px)}.inside-top{padding-top:26px}.hero{width:calc(100% - 36px);padding:35px 0 16px}.hero h1{font-size:clamp(38px,11vw,54px);line-height:1.07;margin:20px 0}.hero-copy>p{font-size:13.5px;line-height:1.7}.hero-actions{gap:9px}.hero-actions .btn{font-size:12px;min-height:44px;padding:10px 14px}.hero-trust{margin-top:25px}.hero-visual{height:335px}.hero-glass-card{width:min(310px,88%);min-height:300px;border-radius:23px;padding:18px;transform:rotate(-3deg)}.hero-abstract{height:182px}.abstract-disc{height:157px;width:157px}.abstract-disc span{font-size:28px}.float-pill{font-size:9px;padding:8px 11px}.float-one{left:-2px;top:13px}.float-two{right:0;bottom:8px}.hero-card-bottom b{font-size:13px}.hero-card-bottom small{font-size:10px}.round-arrow{height:34px;width:34px}.feature-stat-row{padding:12px 8px;border-radius:16px}.feature-stat-row>div{padding:12px!important}.feature-stat-row b{font-size:20px}.feature-stat-row span{font-size:10px}.section-section,.how-section{margin-top:46px}.section-title-row{align-items:flex-start}.section-title-row h2{font-size:24px}.section-title-row .text-link{font-size:11px;white-space:nowrap;margin-top:13px}.subjects-grid{gap:10px}.subject-card{padding:16px;min-height:137px;border-radius:16px}.subject-card b{font-size:12px}.subject-card small{font-size:10px}.tutor-grid{grid-template-columns:1fr}.tutor-card{min-height:auto}.how-grid{grid-template-columns:1fr}.join-banner{padding:26px 24px;flex-direction:column;align-items:flex-start;gap:20px;margin-top:42px}.join-banner h2{font-size:25px}.footer-inner{grid-template-columns:1fr 1fr;padding:30px 0;gap:24px}.footer-inner>div:first-child{grid-column:1 / -1}.page-lead h1{font-size:30px}.filter-panel{grid-template-columns:1fr;gap:11px;padding:15px;border-radius:15px}.results-row{align-items:flex-start;gap:5px;flex-direction:column}.detail-profile{align-items:flex-start;gap:14px}.profile-avatar{height:75px;width:75px;border-radius:18px;font-size:28px}.detail-profile h1{font-size:22px}.card,.panel{padding:17px;border-radius:16px}.pricing-panel h2{font-size:26px}.auth-area{margin:20px auto;width:calc(100% - 26px);grid-template-columns:1fr;border-radius:19px}.auth-visual{padding:23px 25px}.auth-visual h2{font-size:23px;margin:12px 0 6px}.auth-symbol{height:46px;width:46px;font-size:31px;border-radius:13px;margin-bottom:5px}.auth-visual p{font-size:11px}.auth-card{padding:23px 20px}.auth-card h1{font-size:24px}.two-fields,.two-panels,.schedule-grid,.doc-data{grid-template-columns:1fr}.workspace-header{height:69px;padding:10px 13px}.workspace-body{padding:15px 13px 28px}.header-left h1{font-size:17px}.header-right{gap:6px}.header-right .avatar{width:29px;height:29px}.welcome{align-items:flex-start;flex-direction:column;padding:19px;gap:14px}.welcome h2{font-size:21px}.metric-grid{gap:9px}.metric{padding:13px;min-height:113px;border-radius:14px}.metric strong{font-size:20px}.metric small{font-size:10px}.contract-line{flex-wrap:wrap}.contract-line>.status{margin-left:auto}.contract-line>.btn{margin-left:auto}.booking-title{flex-wrap:wrap}.contract-doc{padding:18px}.contract-doc h2{font-size:24px}.action-row{flex-wrap:wrap}.subject-list{grid-template-columns:1fr}.footer-bottom{font-size:10px}.row-end .price-label{width:100%}.print-hide{margin:14px 0}}
@media print{html,body{background:white!important;color:#111!important}.site-header,.sidebar,.workspace-header,.site-footer,.workspace-foot,.print-hide,.mobile-shade{display:none!important}.workspace-body,.public-main{padding:0!important;margin:0!important}.portal-shell,.workspace{display:block!important}.contract-doc{box-shadow:none!important;border:0!important;max-width:none!important;color:#111!important}.terms-text{font-size:12px}.contract-doc .brand em{color:#078ee8!important}.contract-doc .eyebrow,.contract-doc .status{color:#078ee8!important}}
/* EDUVIA Course v1.1 — lightweight, high-contrast portal additions */
.portal-login{position:relative;z-index:60}.portal-login summary{list-style:none;cursor:pointer}.portal-login summary::-webkit-details-marker{display:none}.portal-menu{position:absolute;right:0;top:calc(100% + 8px);width:204px;background:var(--surface);border:1px solid var(--border);border-radius:15px;box-shadow:0 15px 38px rgba(4,32,64,.14);padding:7px}.portal-menu a{display:block;padding:13px 12px;border-radius:10px;color:var(--text-main);font-size:13px;font-weight:700}.portal-menu a:hover{background:var(--nav-hover-bg);color:var(--primary)}.landing-portals{width:min(1210px,calc(100% - 44px));margin:6px auto 20px;display:grid;grid-template-columns:1fr 1.18fr;gap:24px;align-items:center;padding:24px 28px;border:1px solid var(--border);background:var(--surface);border-radius:24px;box-shadow:var(--card-shadow)}.landing-portals h2{font-size:clamp(21px,2.4vw,29px);margin:6px 0 8px}.landing-portals p{font-size:13px;margin:0}.landing-portal-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.portal-feature{border:1px solid var(--border);background:var(--surface-soft);border-radius:18px;display:flex;align-items:flex-start;flex-direction:column;gap:7px;padding:19px;transition:border-color .16s ease,transform .16s ease,background .16s ease}.portal-feature:hover{transform:translateY(-3px);border-color:var(--primary);background:var(--surface-elevated)}.portal-feature>span{width:40px;height:40px;border-radius:13px;background:var(--nav-active-bg);color:var(--primary);display:grid;place-items:center;font-size:21px}.portal-feature strong{color:var(--text-main);font-size:15px}.portal-feature small{font-size:11px;line-height:1.4}.portal-feature b{font-size:12px;color:var(--primary);margin-top:5px}.zoom-pending{display:inline-flex;gap:5px;align-items:center;padding:7px 10px;border:1px solid var(--border);border-radius:10px;color:var(--text-muted);background:var(--surface-soft);font-size:11px;font-weight:700}.zoom-table-action{margin-top:8px}.zoom-host-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center;max-width:320px}.zoom-host-form input{min-width:170px;width:100%;font-size:12px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-main);padding:8px 10px;border-radius:9px}.table-actions{flex-wrap:wrap;align-items:flex-start}.request-item{padding:17px 2px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.request-item h3{font-size:14px;line-height:1.5;margin:9px 0}.request-item>div:last-child{display:grid;justify-items:end;gap:9px}.offer-box{padding:11px 14px;border-radius:13px;background:var(--surface-soft);border:1px solid var(--border);margin:10px 0 22px}.offer-box>b{font-size:12px;color:var(--text-secondary)}.offer-item{border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;padding:12px 0 0}.offer-item>span{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap}.offer-item .avatar{width:28px;height:28px;font-size:11px}.offer-item small{font-size:11px}.requests-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.request-card{display:flex;flex-direction:column;align-items:flex-start;gap:11px}.request-card h3{font-size:16px;margin:0;overflow-wrap:anywhere;line-height:1.5}.request-card p{font-size:12px;margin:0}.request-card form{margin-top:auto}.request-card .subject-chip{font-size:11px}.pricing-panel .btn{white-space:normal}.booking-item .row-end{flex-wrap:wrap;gap:9px}.booking-item .zoom-pending{white-space:normal}
@media(max-width:1150px){.main-links{gap:15px}.main-links a{font-size:12px}.landing-portals{grid-template-columns:1fr 1fr}.requests-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.site-header .main-links{display:none}.landing-portals{grid-template-columns:1fr}.landing-portal-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.landing-portals{width:calc(100% - 26px);padding:19px;border-radius:18px}.landing-portal-links{gap:9px}.portal-feature{padding:14px;border-radius:14px}.portal-feature strong{font-size:13px}.portal-feature small{font-size:10px}.portal-feature b{font-size:11px}.portal-login .btn{font-size:10.5px;padding:8px 9px}.requests-grid{grid-template-columns:1fr}.offer-item{flex-wrap:wrap}.request-item{flex-wrap:wrap}.request-item>div:last-child{justify-items:start}.zoom-host-form{width:100%}.table-actions{min-width:210px}}
@media(prefers-reduced-motion:reduce){.portal-feature,.btn{transition:none!important;transform:none!important}}