:root{--purple:#684bad;--blue:#3158d6;--ink:#1c2038;--muted:#72788d;--bg:#f5f6fb;--line:#e1e5ef;--white:#fff;--shadow:0 16px 40px rgba(35,38,80,.1)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg)}a{text-decoration:none;color:inherit}.container{width:min(1160px,calc(100% - 36px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-row{height:74px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;color:var(--purple)}.brand span{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff;display:grid;place-items:center;font-weight:800}.site-header nav{display:flex;gap:20px}.hero{padding:80px 0;background:linear-gradient(135deg,#f7f3ff,#eef3ff)}.hero-grid{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}.hero h1,.auth-copy h1{font-size:clamp(2.6rem,5vw,4.6rem);line-height:1.05;margin:10px 0}.hero p,.auth-copy p{color:var(--muted);font-size:1.1rem}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--purple);font-weight:800}.hero-actions{display:flex;gap:14px;margin-top:25px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;min-height:48px;padding:0 20px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;font-weight:700;cursor:pointer}.button.secondary{background:#fff;color:var(--purple);border:1px solid var(--line)}.button.block{width:100%;margin-top:15px}.mock-phone{background:#171a27;border-radius:36px;padding:12px;box-shadow:var(--shadow)}.screen{background:#fff;border-radius:28px;padding:28px;min-height:430px}.feature-mini{padding:18px;border-radius:14px;background:#f5f2ff;margin:12px 0}.section{padding:65px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cards article,.quiz-card,.form-card,.welcome-panel,.question-card,.result-card,.admin-list article,.stats-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}.site-footer{padding:25px 0;background:#101426;color:#fff}.auth-page,.form-page{padding:70px 18px;min-height:75vh}.auth-layout{width:min(1040px,100%);margin:auto;display:grid;grid-template-columns:1fr 470px;gap:60px;align-items:center}.auth-card{background:#fff;border-radius:24px;padding:30px;box-shadow:var(--shadow)}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#f3f0fa;padding:5px;border-radius:12px;margin-bottom:25px}.tab{border:0;background:transparent;padding:12px;border-radius:9px;font-weight:700}.tab.active{background:#fff;color:var(--purple)}.field{margin:15px 0}.field label{display:block;font-weight:700;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px;font:inherit}.password-wrap{position:relative}.password-wrap input{padding-right:70px}.password-toggle{position:absolute;right:8px;top:8px;border:0;background:#f3f0fa;border-radius:8px;padding:7px}.form-links{display:flex;justify-content:space-between;margin-top:17px}.form-card{width:min(580px,100%);margin:auto}.message.error{background:#fff0f2;color:#a62b3b;padding:12px;border-radius:10px;margin-top:15px}.message.success{background:#e9f8f1;color:#14734f;padding:12px;border-radius:10px;margin-top:15px}.hidden{display:none!important}.portal-header,.test-header{min-height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4%;gap:18px}.portal-header.admin{background:#40356f;color:#fff}.portal-header nav{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.portal-header button{border:0;background:#eee9f8;color:var(--purple);padding:9px 13px;border-radius:8px}.portal-page,.test-page{width:min(1150px,calc(100% - 30px));margin:30px auto 60px}.welcome-panel{background:linear-gradient(135deg,var(--purple),var(--blue));color:#fff}.quiz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.table-wrap{overflow:auto;background:#fff;border-radius:16px;border:1px solid var(--line)}table{border-collapse:collapse;width:100%;min-width:700px}th,td{padding:14px;border-bottom:1px solid var(--line);text-align:left}.question-card{margin-top:24px}.question-image{max-width:100%;border-radius:12px}.answers{display:grid;gap:12px;margin-top:20px}.answer{display:flex;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px}.answer.selected{border-color:var(--purple);background:#f5f1ff}.test-actions{display:flex;justify-content:space-between;margin-top:18px}.result-page{min-height:100vh;display:grid;place-items:center}.result-card{text-align:center;width:min(500px,90%)}.result-score{font-size:3rem;font-weight:800;color:var(--purple)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stats-grid article{display:flex;flex-direction:column}.stats-grid strong{font-size:2rem;color:var(--purple)}.admin-list{display:grid;gap:16px}.admin-list pre{white-space:pre-wrap;overflow:auto;background:#f7f8fc;padding:12px;border-radius:10px}.empty{background:#fff;padding:25px;border-radius:14px}@media(max-width:900px){.hero-grid,.auth-layout{grid-template-columns:1fr}.cards,.quiz-grid,.stats-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.cards,.quiz-grid,.stats-grid{grid-template-columns:1fr}.portal-header nav a{display:none}.test-actions{flex-direction:column;gap:10px}.test-actions button{width:100%}}