/* Жарык тест — стиль HIGH SCHOOL 125 (светлая и тёмная темы в одном файле) */
:root{--blue:#1746a2;--blue-dark:#102f70;--yellow:#ffd43b;--white:#fff;--light:#f4f7ff;--text:#17213a;--muted:#667085;--radius:24px;--shadow:0 15px 40px rgba(23,70,162,.10);
--bg:#fff;--bg2:#f4f7ff;--card:#fff;--border:#edf0f8;--head:#102f70;--accent:#1746a2;--field:#f4f7ff;--header-bg:rgba(255,255,255,.94)}
html[data-theme="dark"]{color-scheme:dark;--blue:#2457c5;--text:#edf2ff;--muted:#b7c3da;--shadow:0 15px 40px rgba(0,0,0,.22);
--bg:#0a1224;--bg2:#0d1932;--card:#111f3b;--border:rgba(255,255,255,.08);--head:#fff;--accent:#ffd43b;--field:#0c1830;--header-bg:rgba(7,13,27,.94)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
a{text-decoration:none;color:inherit}button{font:inherit}[hidden]{display:none!important}
.container{width:min(1180px,90%);margin:0 auto}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}

header{position:sticky;top:0;z-index:1000;background:var(--header-bg);backdrop-filter:blur(15px);border-bottom:1px solid var(--border)}
.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:900;color:var(--blue);letter-spacing:-.5px}
html[data-theme="dark"] .logo{color:#f1f4ff}
.logo-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;color:var(--blue-dark);background:var(--yellow);font-size:23px;box-shadow:0 7px 18px rgba(255,212,59,.35)}
.logo small{display:block;font-size:12px;color:var(--muted);letter-spacing:2px;margin-top:-3px;font-weight:700}
.header-actions{display:flex;align-items:center;gap:14px}
.school-link{font-size:13px;font-weight:700;color:#34405a;transition:color .25s}
html[data-theme="dark"] .school-link{color:#f1f4ff}
.school-link:hover{color:var(--accent)}

.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 23px;border-radius:14px;font-weight:800;font-size:14px;border:2px solid transparent;transition:.25s;cursor:pointer}
.button-primary{background:var(--blue);color:#fff;box-shadow:0 10px 25px rgba(23,70,162,.22)}
.button-primary:hover{transform:translateY(-3px);background:var(--blue-dark)}
html[data-theme="dark"] .button-primary{background:var(--yellow);color:#09142c;box-shadow:0 10px 25px rgba(255,212,59,.13)}
html[data-theme="dark"] .button-primary:hover{background:#ffe477}
.button-secondary{border-color:rgba(23,70,162,.18);color:var(--blue);background:rgba(255,255,255,.6)}
.button-secondary:hover{background:#fff;border-color:var(--blue)}
html[data-theme="dark"] .button-secondary{border-color:rgba(255,255,255,.24);color:#f1f4ff;background:rgba(255,255,255,.05)}
html[data-theme="dark"] .button-secondary:hover{background:rgba(255,255,255,.1);border-color:var(--yellow)}
.btn-sm{padding:10px 16px;font-size:13px;border-radius:12px}.full{width:100%}

/* Экран входа */
.hero{position:relative;overflow:hidden;padding:80px 0 100px;background:radial-gradient(circle at 85% 15%,rgba(255,212,59,.30),transparent 25%),linear-gradient(135deg,#f7f9ff 0%,#eaf0ff 100%)}
html[data-theme="dark"] .hero{background:radial-gradient(circle at 82% 12%,rgba(255,212,59,.15),transparent 27%),radial-gradient(circle at 10% 90%,rgba(36,87,197,.28),transparent 35%),linear-gradient(135deg,#080e1c 0%,#0d1b3a 55%,#10285a 100%)}
.hero::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;border:65px solid rgba(23,70,162,.045);right:-140px;bottom:-230px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:55px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:9px 15px;border-radius:100px;background:rgba(23,70,162,.08);color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1px;text-transform:uppercase;margin-bottom:25px}
.eyebrow::before{content:"";width:8px;height:8px;background:#28b67a;border-radius:50%}
html[data-theme="dark"] .eyebrow,html[data-theme="dark"] .section-tag{background:rgba(255,212,59,.12);color:var(--yellow);border:1px solid rgba(255,212,59,.16)}
.hero h1{font-size:clamp(46px,7vw,84px);line-height:1.03;letter-spacing:-3px;color:var(--blue-dark);margin-bottom:25px}
html[data-theme="dark"] .hero h1{color:#fff}
.hero h1 span:first-child{color:var(--blue);position:relative;display:inline-block}
.hero h1 span:first-child::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:8px;border-radius:10px;background:var(--yellow);z-index:-1;transform:rotate(-1deg)}
html[data-theme="dark"] .hero h1 span:first-child{color:var(--yellow)}
.hero-description{max-width:520px;color:var(--muted);font-size:17px;line-height:1.8;margin-bottom:26px}
.hero-points{list-style:none;display:grid;gap:12px}
.hero-points li{display:flex;align-items:center;gap:11px;font-size:14px;font-weight:700}
.check{flex-shrink:0;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:#dff8eb;color:#148453;font-size:13px}
html[data-theme="dark"] .check{background:rgba(255,212,59,.12);color:var(--yellow)}

.auth-card{background:var(--card);border:1px solid var(--border);border-radius:28px;padding:30px;box-shadow:0 30px 70px rgba(23,70,162,.18);position:relative}
html[data-theme="dark"] .auth-card{box-shadow:0 30px 70px rgba(0,0,0,.4)}
.tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;background:var(--bg2);border-radius:15px;margin-bottom:24px}
.tab{border:0;border-radius:11px;padding:12px;font-weight:800;font-size:14px;background:transparent;color:var(--muted);cursor:pointer;transition:.2s}
.tab.active{background:var(--blue);color:#fff;box-shadow:0 6px 15px rgba(23,70,162,.2)}
html[data-theme="dark"] .tab.active{background:var(--yellow);color:#09142c}
.field{margin-bottom:16px;min-width:0}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field label{display:block;font-size:13px;font-weight:800;color:var(--head);margin-bottom:7px}
.field input,.field select{width:100%;padding:14px 15px;border-radius:13px;border:2px solid var(--border);background:var(--field);color:var(--text);font:inherit;font-size:15px;transition:.2s}
html:not([data-theme="dark"]) .field input,html:not([data-theme="dark"]) .field select{border-color:#dce6ff}
.field input:focus,.field select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,70,162,.1)}
html[data-theme="dark"] .field input:focus,html[data-theme="dark"] .field select:focus{border-color:var(--yellow);box-shadow:0 0 0 4px rgba(255,212,59,.12)}
.field input.invalid,.field select.invalid{border-color:#e5484d}
.key-input{font-family:"Courier New",monospace;letter-spacing:2px;font-weight:700;text-transform:uppercase}
.field small{display:block;margin-top:7px;font-size:12px;color:var(--muted);line-height:1.5}
.form-error{min-height:20px;margin:-4px 0 12px;font-size:13px;font-weight:700;color:#e5484d}

/* Личный кабинет */
section.content-section{padding:55px 0 90px}
.profile-banner{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:30px 34px;border-radius:30px;color:#fff;background:linear-gradient(120deg,var(--blue-dark),#1746a2);position:relative;overflow:hidden;margin-bottom:50px;box-shadow:0 25px 60px rgba(16,47,112,.18)}
html[data-theme="dark"] .profile-banner{background:linear-gradient(120deg,#07142f,#123574);border:1px solid rgba(255,212,59,.15)}
.profile-banner::after{content:"";position:absolute;width:300px;height:300px;border:45px solid rgba(255,255,255,.07);border-radius:50%;right:12%;top:-190px;pointer-events:none}
.profile-avatar{width:76px;height:76px;border-radius:24px;display:grid;place-items:center;background:var(--yellow);color:var(--blue-dark);font-size:34px;font-weight:900;box-shadow:0 12px 30px rgba(0,0,0,.2);flex-shrink:0}
.profile-info{flex:1;min-width:200px;position:relative;z-index:1}
.profile-banner .section-tag{display:inline-block;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.12);color:var(--yellow);margin-bottom:8px;font-size:11px}
.profile-info h2{font-size:clamp(24px,3.4vw,34px);line-height:1.15;margin-bottom:6px;overflow-wrap:anywhere}
.profile-info p{color:rgba(255,255,255,.75);font-size:14px}.profile-info b{font-family:"Courier New",monospace;color:var(--yellow);letter-spacing:1px}
.profile-stats{display:flex;gap:12px;position:relative;z-index:1}
.stat{min-width:84px;text-align:center;padding:13px 14px;border-radius:17px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14)}
.stat strong{display:block;font-size:28px;line-height:1.1;color:var(--yellow)}.stat small{font-size:12px;color:rgba(255,255,255,.75)}

.section-tag{color:var(--blue);font-size:13px;letter-spacing:2px;font-weight:900;text-transform:uppercase;margin-bottom:12px}
.section-heading{max-width:680px;margin-bottom:34px}
.section-heading h2{font-size:clamp(30px,4vw,46px);color:var(--head);line-height:1.15;letter-spacing:-1.5px;margin-bottom:12px}
.section-heading p{color:var(--muted);font-size:15px;line-height:1.8}
.list-heading .section-tag{display:inline-block;padding:8px 13px;border-radius:999px;background:#fff3b7;color:var(--blue-dark)}
html[data-theme="dark"] .list-heading .section-tag{color:var(--yellow);background:rgba(255,212,59,.12)}

.months-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.month-card{position:relative;text-align:left;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:26px;cursor:pointer;color:inherit;display:flex;flex-direction:column;gap:6px;min-width:0;transition:.3s;box-shadow:0 10px 30px rgba(23,70,162,.06)}
html[data-theme="dark"] .month-card{box-shadow:0 14px 32px rgba(0,0,0,.16)}
.month-card.open:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:rgba(255,212,59,.45)}
.month-card.soon{cursor:not-allowed;opacity:.72}
.month-icon{width:55px;height:55px;border-radius:17px;display:grid;place-items:center;font-size:25px;margin-bottom:14px;background:var(--yellow)}
.month-card:nth-child(3n+2) .month-icon{background:#dfe8ff}.month-card:nth-child(3n) .month-icon{background:#d9f6e8}
html[data-theme="dark"] .month-card:nth-child(3n+2) .month-icon{background:rgba(36,87,197,.35)}
html[data-theme="dark"] .month-card:nth-child(3n) .month-icon{background:rgba(40,182,122,.22)}
.month-name{font-size:12px;letter-spacing:1.5px;font-weight:900;text-transform:uppercase;color:var(--muted)}
.month-card h3{color:var(--head);font-size:21px;line-height:1.3}
.month-meta{color:var(--muted);font-size:13px;margin-bottom:12px}
.badge{align-self:flex-start;padding:7px 11px;border-radius:9px;font-size:12px;font-weight:900;margin-top:auto}
.badge.open{background:#dff8eb;color:#148453}.badge.soon{background:#e8efff;color:var(--blue)}
html[data-theme="dark"] .badge.open{background:rgba(40,182,122,.18);color:#5fe0a8}
html[data-theme="dark"] .badge.soon{background:rgba(255,255,255,.08);color:#b7c3da}
.month-go{position:absolute;right:22px;bottom:22px;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900}
html[data-theme="dark"] .month-go{background:var(--yellow);color:#09142c}
.month-card.soon .month-go{display:none}

.test-stub{margin-top:30px;max-width:680px;padding:46px 40px;border-radius:30px;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow);text-align:center;margin-inline:auto}
.stub-icon{width:76px;height:76px;margin:0 auto 18px;border-radius:24px;background:var(--yellow);display:grid;place-items:center;font-size:36px}
.test-stub h2{color:var(--head);font-size:clamp(28px,4vw,40px);letter-spacing:-1px;margin-bottom:12px}
.test-stub p{color:var(--muted);font-size:15px}

footer{background:#0c1b3b;color:#fff;padding:26px 0}
html[data-theme="dark"] footer{background:#050a14;border-top:1px solid rgba(255,212,59,.16)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;color:rgba(255,255,255,.55);font-size:12px;flex-wrap:wrap}

/* Переключатели языка и темы — как на сайте школы */
.lang-switch{position:fixed;z-index:900;left:82px;bottom:24px;display:flex;align-items:center;gap:2px;height:48px;padding:4px;border:1px solid rgba(23,70,162,.16);border-radius:16px;background:#fff;box-shadow:0 12px 28px rgba(16,47,112,.18)}
.lang-switch button{min-width:40px;height:100%;padding:0 8px;border:0;border-radius:12px;background:transparent;color:var(--blue);font-family:inherit;font-size:13px;font-weight:800;cursor:pointer;transition:.2s}
.lang-switch button:hover{background:#fff4bf}.lang-switch button[aria-pressed="true"]{background:var(--blue);color:#fff}
html[data-theme="dark"] .lang-switch{background:#172646;border-color:rgba(255,255,255,.14);box-shadow:0 12px 28px rgba(0,0,0,.4)}
html[data-theme="dark"] .lang-switch button{color:#dfe7fa}html[data-theme="dark"] .lang-switch button:hover{background:#22365f}
html[data-theme="dark"] .lang-switch button[aria-pressed="true"]{background:var(--yellow);color:#09142c}
.theme-toggle{position:fixed;z-index:900;left:24px;bottom:24px;display:grid;place-items:center;width:48px;height:48px;padding:0;border:1px solid rgba(23,70,162,.16);border-radius:16px;background:#fff;color:var(--blue);box-shadow:0 12px 28px rgba(16,47,112,.18);cursor:pointer;transition:.25s}
.theme-toggle:hover{background:#fff4bf;border-color:var(--yellow);transform:translateY(-3px)}
.theme-toggle svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon{display:block}
html[data-theme="dark"] .theme-toggle{background:#172646;color:var(--yellow);border-color:rgba(255,255,255,.14);box-shadow:0 12px 28px rgba(0,0,0,.4)}
html[data-theme="dark"] .theme-toggle:hover{background:#22365f}
html[data-theme="dark"] .theme-toggle .icon-sun{display:block}html[data-theme="dark"] .theme-toggle .icon-moon{display:none}

.toast{position:fixed;z-index:2000;left:50%;top:92px;transform:translate(-50%,-20px);background:var(--blue-dark);color:#fff;padding:13px 20px;border-radius:14px;font-size:14px;font-weight:700;box-shadow:0 15px 35px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:.3s;max-width:90%;text-align:center;border:1px solid rgba(255,212,59,.3)}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media(max-width:1000px){.months-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.hero{padding:55px 0 75px}.hero-grid{grid-template-columns:1fr;gap:34px}.hero-content{text-align:center}.hero-description{margin-inline:auto}.hero-points{justify-content:center;max-width:340px;margin-inline:auto}.profile-banner{padding:26px}}
@media(max-width:560px){.container{width:min(100% - 32px,1180px)}.header-inner{min-height:72px}.logo{font-size:16px}.logo-icon{width:42px;height:42px;border-radius:13px}.school-link{display:none}.hero h1{font-size:46px;letter-spacing:-2px}.hero-description{font-size:14px}.auth-card{padding:22px 18px;border-radius:24px}.field-row{gap:10px}.months-grid{grid-template-columns:1fr;gap:14px}.month-card{padding:22px}.profile-banner{flex-direction:column;align-items:flex-start;border-radius:24px}.profile-stats{width:100%}.stat{flex:1;min-width:0}.test-stub{padding:34px 22px}section.content-section{padding:40px 0 100px}.theme-toggle{left:16px;bottom:16px;width:44px;height:44px}.lang-switch{left:68px;bottom:16px;height:44px}.lang-switch button{min-width:36px;padding:0 6px;font-size:12px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;padding-bottom:56px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}