/* === UCHIRU — O'zbekiston rus tili o'quvchisi === */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-primary:#2563eb;--c-primary-d:#1d4ed8;--c-primary-l:#dbeafe;
  --c-accent:#0891b2;--c-accent-l:#cffafe;
  --c-success:#16a34a;--c-success-l:#dcfce7;
  --c-danger:#dc2626;--c-danger-l:#fef2f2;
  --c-warning:#f59e0b;--c-warning-l:#fef9c3;
  --c-text:#1e293b;--c-text2:#475569;--c-text3:#94a3b8;
  --c-bg:#f8fafc;--c-white:#fff;--c-border:#e2e8f0;
  --r:12px;--r-lg:18px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 4px 14px rgba(15,23,42,.04);
  --shadow-lg:0 4px 20px rgba(15,23,42,.1),0 8px 32px rgba(15,23,42,.06);
}
html{scroll-behavior:smooth}
body{font-family:"Inter",system-ui,-apple-system,sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.65}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

/* ICON helper */
.ico{display:inline-flex;align-items:center;justify-content:center;width:1em;height:1em;vertical-align:-.125em}
.ico-sm{font-size:.85em}.ico-md{font-size:1.1em}.ico-lg{font-size:1.4em}

/* CONTAINER */
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* ===== HEADER ===== */
.site-header{background:var(--c-white);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:800;color:var(--c-primary);letter-spacing:.3px}
.logo-icon{width:32px;height:32px;background:var(--c-primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;font-weight:900}
.main-nav ul{display:flex;gap:2px}
.main-nav a{display:flex;align-items:center;gap:5px;padding:8px 13px;border-radius:8px;color:var(--c-text2);font-weight:600;font-size:.88rem;transition:.15s}
.main-nav a:hover,.main-nav a.active{background:var(--c-primary-l);color:var(--c-primary)}
.menu-toggle{display:none;background:none;border:1px solid var(--c-border);font-size:1.2rem;padding:6px 12px;border-radius:8px;cursor:pointer;color:var(--c-text)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:var(--r);font-weight:700;font-size:.92rem;border:none;cursor:pointer;transition:.15s;text-align:center;justify-content:center}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.3)}
.btn-primary:hover{background:var(--c-primary-d)}
.btn-outline{background:transparent;border:2px solid var(--c-border);color:var(--c-text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.btn-sm{padding:7px 14px;font-size:.82rem;border-radius:8px}
.btn-lg{padding:13px 30px;font-size:1rem}
.btn-success{background:var(--c-success);color:#fff}
.btn-danger{background:var(--c-danger);color:#fff}
.btn-ghost{background:transparent;color:var(--c-text2);padding:8px 14px}
.btn-ghost:hover{background:var(--c-bg);color:var(--c-primary)}
.btn-telegram{background:#229ed9;color:#fff}
.btn-telegram:hover{background:#1a7fa3}

/* ===== SECTIONS ===== */
.section{padding:64px 0}
.section-title{font-size:1.85rem;font-weight:800;color:var(--c-text);margin-bottom:4px}
.section-sub{color:var(--c-text2);margin-bottom:36px;font-size:1.02rem}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#2563eb 100%);color:#fff;overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(8,145,178,.2),transparent 70%);pointer-events:none}
.hero .container{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:2.5rem;line-height:1.15;margin-bottom:14px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--c-accent)}
.hero p{font-size:1.05rem;opacity:.9;max-width:520px;margin-bottom:22px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.hero .btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.hero .btn-outline:hover{background:rgba(255,255,255,.15);border-color:#fff}
.hero-stats{display:flex;gap:24px}
.hero-stat strong{display:block;font-size:1.6rem;color:var(--c-accent)}
.hero-stat span{font-size:.85rem;opacity:.8}

.hero-visual{position:relative;min-height:220px}
.hero-card{background:rgba(255,255,255,.95);color:var(--c-text);padding:16px 22px;border-radius:var(--r);font-size:.95rem;font-weight:600;box-shadow:var(--shadow-lg);position:absolute;max-width:250px}
.hero-card:nth-child(1){top:0;left:10px}.hero-card:nth-child(2){top:80px;right:0;background:var(--c-accent-l);color:var(--c-text)}.hero-card:nth-child(3){bottom:0;left:20px;background:var(--c-primary-l);color:var(--c-text);font-size:.88rem}

/* ===== FEATURES ===== */
.features{background:var(--c-white)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;transition:.2s}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.feature-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:14px}
.feature-icon.blue{background:var(--c-primary-l);color:var(--c-primary)}
.feature-icon.green{background:var(--c-success-l);color:var(--c-success)}
.feature-icon.cyan{background:var(--c-accent-l);color:var(--c-accent)}
.feature-icon.orange{background:var(--c-warning-l);color:var(--c-warning)}
.feature-icon.red{background:var(--c-danger-l);color:var(--c-danger)}
.feature-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--c-text)}
.feature-card p{color:var(--c-text2);font-size:.9rem}

/* ===== TOOLS DASHBOARD ===== */
.panel{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:26px;display:flex;flex-direction:column;gap:16px}
.panel .tool-controls{display:flex;gap:8px;align-items:center}
.tools{background:var(--c-bg)}
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tool-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;transition:.2s;display:flex;flex-direction:column;gap:14px}
.tool-card:hover{box-shadow:var(--shadow)}
.tool-head{display:flex;align-items:center;gap:12px}
.tool-head .feature-icon{flex-shrink:0}
.tool-head h3{font-size:1.15rem;color:var(--c-text)}
.tool-head-tag{display:inline-block;background:var(--c-primary-l);color:var(--c-primary-d);font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:999px;vertical-align:middle;margin-left:4px}
.tool-head p{color:var(--c-text2);font-size:.86rem;margin-top:2px}
.tool-link{text-decoration:none;color:inherit;transition:.2s}
.tool-link:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--c-primary)}
.tool-link-go{display:inline-flex;align-items:center;gap:6px;margin-top:auto;align-self:flex-start;color:var(--c-primary);font-weight:700;font-size:.88rem}
.tool-link-go i{transition:transform .15s}
.tool-link:hover .tool-link-go i{transform:translateX(3px)}
.tool-head .feature-icon{margin-bottom:0}
.tool-controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.tool-controls input[type="text"],.tool-controls textarea,.tool-controls select{flex:1;min-width:160px;padding:9px 12px;border:1px solid var(--c-border);border-radius:var(--r);font-size:.92rem;outline:none;background:var(--c-white);color:var(--c-text)}
.tool-controls textarea{min-height:70px;resize:vertical}
.tool-controls input[type="text"]:focus,.tool-controls textarea:focus,.tool-controls select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l)}
.tool-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;background:var(--c-primary);color:#fff;border:none;border-radius:var(--r);font-weight:700;font-size:.88rem;cursor:pointer;transition:.15s}
.tool-btn:hover{background:var(--c-primary-d)}
.tool-btn:disabled{opacity:.55;cursor:not-allowed}
.tool-empty{color:var(--c-text3);font-size:.9rem;text-align:center;padding:18px 8px}
.tool-status{font-size:.82rem;color:var(--c-text2);min-height:16px}
.tool-status.error{color:var(--c-danger)}
.tool-status.ok{color:var(--c-success)}
.dict-direction{display:inline-flex;border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden}
.dict-direction button{padding:9px 14px;border:none;background:var(--c-white);color:var(--c-text2);font-weight:700;font-size:.85rem;cursor:pointer;transition:.12s}
.dict-direction button.active{background:var(--c-primary);color:#fff}
.dict-results{max-height:260px;overflow-y:auto;border:1px solid var(--c-border);border-radius:var(--r);background:var(--c-bg)}
.dict-item{display:flex;gap:10px;padding:9px 14px;border-bottom:1px solid var(--c-border);align-items:baseline}
.dict-item:last-child{border-bottom:none}
.dict-item:nth-child(even){background:var(--c-white)}
.dict-word{font-weight:700;color:var(--c-primary-d);white-space:nowrap}
.dict-mean{color:var(--c-text2);font-size:.88rem;line-height:1.35}
.dict-mean:first-letter,.dict-word:first-letter{text-transform:none}
.phrase-table{border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden;max-height:280px;overflow-y:auto}
.phrase-total{font-size:.85rem;color:var(--c-text3);justify-content:flex-end}
.phrase-total #phrase-count{font-weight:700;color:var(--c-primary)}
.phrase-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;padding:8px 14px;font-size:.88rem;border-bottom:1px solid var(--c-border)}
.phrase-row:nth-child(even){background:var(--c-bg)}
.phrase-row:last-child{border-bottom:none}
.phrase-head{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:700;position:sticky;top:0}
.phrase-head span:last-child{text-align:right}
.ph-uz{color:var(--c-text2)}
.ph-cyr{color:var(--c-text2);font-weight:500}
.tr-langs{display:flex;gap:8px;align-items:center}
.tr-langs select{flex:0 0 auto}
.tr-swap{background:var(--c-bg);border:1px solid var(--c-border);border-radius:50%;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:.9rem;color:var(--c-primary);transition:.12s}
.tr-swap:hover{background:var(--c-primary-l)}
.tr-output{border:1px solid var(--c-border);border-radius:var(--r);padding:12px 14px;min-height:70px;font-size:1.02rem;color:var(--c-text);background:var(--c-success-l)}
.chip-row{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:6px 14px;border:1px solid var(--c-border);border-radius:999px;background:var(--c-white);font-size:.83rem;cursor:pointer;transition:.12s;color:var(--c-text2)}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.wb-hint{font-size:.9rem;color:var(--c-primary-d);font-weight:600;display:flex;align-items:center;gap:6px}
.wb-hint #wb-palette{display:inline-flex;flex-wrap:wrap;gap:6px;margin-left:4px}
.wb-ctrl{flex:1;min-width:0;padding:10px 14px;border:1px solid var(--c-border);border-radius:var(--r);font-size:.95rem;background:var(--c-white);color:var(--c-text)}
.wb-ctrl:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l)}
.wb-controls{margin:14px 0 12px}
.wb-table{width:100%;border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden;margin-bottom:14px;font-size:.88rem}
.wb-row{display:grid;grid-template-columns:2fr 1fr 1.4fr 1.4fr;gap:8px;padding:8px 14px;border-bottom:1px solid var(--c-border);align-items:center}
.wb-row:last-child{border-bottom:none}
.wb-row.wb-head{background:var(--c-primary-l);color:var(--c-primary-d);font-weight:700}
.wb-row small{display:block;color:var(--c-text3);font-size:.75rem}
.wb-notes{font-size:.9rem;color:var(--c-text);background:var(--c-warning-l);border-radius:var(--r);padding:12px 14px;line-height:1.5}
.wb-output{width:100%}

/* ===== WORD COMBOS OF THE DAY ===== */
.combos{background:var(--c-bg)}
.wc-panel{position:relative}
.wc-date{font-size:.83rem;color:var(--c-text3);font-weight:700;letter-spacing:.3px}
.wc-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.wc-item{display:flex;align-items:center;gap:12px;background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r);padding:10px 14px;transition:.15s;overflow:hidden;max-width:100%}
.wc-item:hover{border-color:var(--c-primary);background:var(--c-primary-l)}
.wc-num{flex:0 0 26px;height:26px;display:flex;align-items:center;justify-content:center;background:var(--c-primary);color:#fff;border-radius:8px;font-weight:700;font-size:.78rem}
.wc-body{display:flex;align-items:baseline;gap:10px;flex:1;min-width:0;max-width:100%}
.wc-ru{font-weight:700;color:var(--c-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.wc-arrow{color:var(--c-primary);flex-shrink:0}
.wc-uz{color:var(--c-text2);font-size:.88rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.wc-source{font-size:.78rem;color:var(--c-text3);font-style:italic;margin-top:6px;overflow-wrap:anywhere}
.wc-refresh{display:none}
@media(max-width:960px){
  .wc-list{grid-template-columns:1fr}
  .wc-panel .tool-head,.tools .tool-head{flex-wrap:wrap;align-items:flex-start}
  .wc-refresh{width:100%;margin-left:0!important;justify-content:center}
  .wc-ru{white-space:normal;overflow-wrap:anywhere}
  .wc-uz{white-space:normal;overflow-wrap:anywhere;overflow:visible;text-overflow:clip}
}
@media(max-width:960px){
  .tool-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .panel{padding:18px;border-radius:var(--r)}
  .wb-row{grid-template-columns:1fr 1.4fr;row-gap:2px;padding:10px 12px}
  .wb-row.wb-head{display:none}
  .phrase-row{grid-template-columns:1fr 1fr;font-size:.82rem;padding:7px 12px}
  .phrase-row span:last-child{display:none}
  .dict-results{max-height:50vh}
  .tool-controls input[type="text"]{min-width:0!important}
  .wb-hint{flex-wrap:wrap}
  .wb-controls{flex-wrap:wrap}
  .wb-controls .wb-ctrl{flex:1 1 100%}
  .wb-controls .tool-btn{flex:1 1 auto;justify-content:center}
}

/* ===== LEVELS ===== */
.levels{background:var(--c-white)}
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.level-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;position:relative;overflow:hidden;transition:.2s;display:flex;flex-direction:column;gap:8px}
.level-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.level-badge{position:absolute;top:14px;right:14px;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.85rem}
.lvl-a1 .level-badge{background:var(--c-success)}.lvl-a2 .level-badge{background:var(--c-primary)}
.lvl-b1 .level-badge{background:var(--c-warning)}.lvl-b2 .level-badge{background:#7c3aed}
.level-card h3{font-size:1.05rem;color:var(--c-text)}
.level-card p{color:var(--c-text2);font-size:.88rem}
.level-card ul{margin:4px 0}
.level-card li{font-size:.82rem;color:var(--c-text2);padding-left:18px;position:relative}
.level-card li::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--c-success)}
.level-card .level-link{color:var(--c-primary);font-weight:700;font-size:.88rem;margin-top:auto;display:flex;align-items:center;gap:5px}
.level-card:hover .level-link{gap:8px}

.level-badge-lg{display:none}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:880px;margin:0 auto}
.step{text-align:center;padding:20px}
.step-num{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:var(--c-primary);color:#fff;font-size:1.3rem;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,99,235,.3)}
.step h3{margin-bottom:6px;color:var(--c-text)}
.step p{color:var(--c-text2);font-size:.92rem}

/* ===== CTA ===== */
.cta{background:linear-gradient(135deg,var(--c-primary),var(--c-accent));color:#fff;text-align:center}
.cta h2{font-size:1.85rem;margin-bottom:6px}
.cta p{margin-bottom:20px;opacity:.9;font-size:1.05rem}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta .btn-outline{border-color:rgba(255,255,255,.6);color:#fff}

/* ===== CONTACT / TELEGRAM ===== */
.telegram-banner{background:linear-gradient(135deg,#229ed9,#1a7fa3);color:#fff;border-radius:var(--r-lg);padding:32px;display:flex;align-items:center;gap:28px;margin-top:20px}
.telegram-banner .tg-icon{font-size:3rem;flex-shrink:0}
.telegram-banner h3{font-size:1.2rem;margin-bottom:4px}
.telegram-banner p{opacity:.9;font-size:.92rem}
.telegram-banner .btn{background:#fff;color:#229ed9;margin-top:12px}
.telegram-banner .btn:hover{background:var(--c-primary-l)}

/* ===== FOOTER ===== */
.site-footer{background:var(--c-text);color:#cbd5e1;padding:44px 0 18px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:28px}
.footer-brand h3{color:#fff;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.footer-brand p{font-size:.88rem;opacity:.8}
.footer-col h4{color:#fff;margin-bottom:10px;font-size:.92rem}
.footer-col a{display:block;font-size:.85rem;padding:3px 0;opacity:.8;transition:.15s}
.footer-col a:hover{opacity:1;color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:14px;font-size:.8rem;opacity:.7;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-contacts{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.footer-contacts a{display:flex;align-items:center;gap:6px;font-size:.85rem}

/* ===== PAGE HERO ===== */
.page-hero{background:linear-gradient(135deg,#0f172a,#1e3a5f);color:#fff;padding:48px 0}
.page-hero h1{font-size:2rem;margin-bottom:6px}
.page-hero p{opacity:.85;font-size:1rem;max-width:680px}
.page-hero.lvl-a1{background:linear-gradient(135deg,#166534,var(--c-success))}
.page-hero.lvl-a2{background:linear-gradient(135deg,#1e40af,var(--c-primary))}
.page-hero.lvl-b1{background:linear-gradient(135deg,#92400e,#f59e0b)}
.page-hero.lvl-b2{background:linear-gradient(135deg,#581c87,#7c3aed)}
.page-hero.migrant{background:linear-gradient(135deg,#1e3a5f,#0891b2)}

/* ===== LESSON CARDS ===== */
.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.lesson-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);padding:20px;transition:.2s;display:flex;flex-direction:column;gap:6px}
.lesson-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.lesson-num{display:inline-flex;align-self:flex-start;background:var(--c-primary-l);color:var(--c-primary);font-weight:700;font-size:.78rem;padding:3px 11px;border-radius:999px;align-items:center;gap:4px}
.lesson-card h3{font-size:1rem;color:var(--c-text)}
.lesson-uz{color:var(--c-text2);font-size:.85rem}
.lesson-meta{color:var(--c-success);font-size:.82rem;font-weight:600;display:flex;align-items:center;gap:4px}

/* ===== LESSON PAGE ===== */
.lesson-page{background:var(--c-white);min-height:60vh}
.breadcrumbs{font-size:.85rem;color:var(--c-text3);margin-bottom:20px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.breadcrumbs a{color:var(--c-primary);font-weight:500}
.lesson-header{border-bottom:2px solid var(--c-border);padding-bottom:18px;margin-bottom:28px}
.lesson-header h1{font-size:1.8rem;color:var(--c-text);margin-bottom:4px}
.lesson-subtitle{color:var(--c-accent);font-weight:600}
.lesson-block{margin-bottom:36px}
.lesson-block h2{font-size:1.25rem;color:var(--c-text);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.lesson-text{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r);padding:22px;font-size:1rem}
.lesson-text p{margin-bottom:12px}.lesson-text p:last-child{margin-bottom:0}

/* Share button */
.share-bar{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.share-bar .btn{font-size:.82rem;padding:7px 14px;border-radius:8px}

/* ===== TABLES ===== */
.vocab-table,.grammar-table{width:100%;border-collapse:collapse;background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);overflow:hidden}
.vocab-table th,.grammar-table th{background:var(--c-primary-l);color:var(--c-primary-d);text-align:left;padding:9px 14px;font-size:.88rem}
.vocab-table td,.grammar-table td{padding:8px 14px;border-top:1px solid var(--c-border);font-size:.9rem}
.vocab-table tr:nth-child(even) td,.grammar-table tr:nth-child(even) td{background:#f8fafc}

.grammar{background:#fffdf5;border:1px solid #f2e6c9;border-radius:var(--r);padding:22px}
.grammar h3{margin:14px 0 6px;color:#92400e;font-size:1rem}.grammar h3:first-child{margin-top:0}
.grammar p{margin-bottom:6px}
.grammar .example{background:var(--c-warning-l);padding:8px 12px;border-radius:8px;border-left:4px solid var(--c-warning);margin:8px 0}
.grammar ul{margin:0 0 6px 20px}

/* ===== QUIZ ===== */
.quiz{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
.quiz-question{margin-bottom:22px;padding-bottom:18px;border-bottom:1px dashed var(--c-border)}
.quiz-question:last-of-type{border-bottom:none}
.quiz-question p{font-weight:700;margin-bottom:8px}
.quiz-question label{display:flex;align-items:center;gap:10px;padding:10px 14px;margin-bottom:6px;border:1px solid var(--c-border);border-radius:var(--r);cursor:pointer;transition:.12s;font-weight:500;font-size:.92rem}
.quiz-question label:hover{background:var(--c-primary-l);border-color:var(--c-primary)}
.quiz-question input[type="radio"]{accent-color:var(--c-primary);width:16px;height:16px}
.quiz-question.quiz-correct label:has(input:checked){background:var(--c-success-l);border-color:var(--c-success);color:#166534}
.quiz-question.quiz-wrong label:has(input:checked){background:var(--c-danger-l);border-color:var(--c-danger);color:#991b1b}
.quiz-result{margin-top:16px;padding:16px;border-radius:var(--r);background:var(--c-primary-l)}
.quiz-score{font-weight:700;color:var(--c-primary-d);margin-bottom:8px}
#level-recommendation{margin-top:10px;padding-top:12px;border-top:1px dashed var(--c-border)}
#level-recommendation .btn{margin:8px 4px 0 0}

/* ===== LESSON NAV ===== */
.lesson-nav{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:36px}

/* ===== INFO BOX ===== */
.info-box{background:var(--c-accent-l);border:1px solid #67e8f9;border-radius:var(--r-lg);padding:24px;text-align:center;margin-top:26px}
.info-box h3{color:#0e7490;margin-bottom:6px;display:flex;align-items:center;justify-content:center;gap:8px}
.info-box p{margin-bottom:14px;max-width:600px;margin-left:auto;margin-right:auto;color:var(--c-text)}

/* ===== MIGRANT COURSE ===== */
.migrant-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:2px solid #7dd3fc;border-radius:var(--r-lg);padding:28px;text-align:center;margin:24px 0}
.migrant-card h3{color:var(--c-primary);margin-bottom:8px}
.migrant-card p{color:var(--c-text2);margin-bottom:16px}

/* ===== ADMIN PANEL ===== */
.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin-sidebar{background:var(--c-text);color:#cbd5e1;padding:20px 0;width:240px;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-sidebar .sidebar-brand{padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:12px;font-size:1.1rem;font-weight:800;color:#fff}
.admin-sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:.88rem;color:#cbd5e1;transition:.12s}
.admin-sidebar nav a:hover,.admin-sidebar nav a.active{background:rgba(255,255,255,.08);color:#fff}
.admin-main{padding:24px 32px;background:var(--c-bg)}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.admin-topbar h1{font-size:1.5rem}
.stat-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.stat-card h4{font-size:.85rem;color:var(--c-text2);margin-bottom:6px;display:flex;align-items:center;gap:6px}
.stat-card .stat-value{font-size:1.8rem;font-weight:800;color:var(--c-text)}
.stat-card .stat-change{font-size:.82rem;color:var(--c-success);margin-top:4px}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.chart-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow)}
.chart-card h3{font-size:1.1rem;margin-bottom:16px}
.chart-container{position:relative;height:280px}
.table-card{background:var(--c-white);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);overflow-x:auto}
.table-card h3{margin-bottom:14px;font-size:1.1rem}
.data-table{width:100%;border-collapse:collapse;font-size:.88rem}
.data-table th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--c-border);color:var(--c-text2);font-weight:600}
.data-table td{padding:9px 12px;border-bottom:1px solid var(--c-border)}
.data-table tr:hover td{background:var(--c-bg)}
.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:600}
.badge-green{background:var(--c-success-l);color:var(--c-success)}
.badge-red{background:var(--c-danger-l);color:var(--c-danger)}
.badge-blue{background:var(--c-primary-l);color:var(--c-primary)}
.badge-yellow{background:var(--c-warning-l);color:#92400e}

/* Login box */
.login-box{max-width:380px;margin:80px auto;background:var(--c-white);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-lg);text-align:center}
.login-box h2{margin-bottom:6px}
.login-box p{color:var(--c-text2);margin-bottom:20px;font-size:.92rem}
.login-box input{width:100%;padding:10px 14px;border:1px solid var(--c-border);border-radius:var(--r);font-size:.92rem;margin-bottom:12px;outline:none}
.login-box input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l)}
.login-box .btn{width:100%;margin-top:4px}
.login-error{color:var(--c-danger);font-size:.85rem;margin-top:6px}

/* ===== SHARE MODAL ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.2s}
.modal-overlay.show{opacity:1;pointer-events:auto}
.modal{background:var(--c-white);border-radius:var(--r-lg);padding:28px;max-width:420px;width:90%;box-shadow:var(--shadow-lg)}
.modal h3{margin-bottom:12px}
.modal .share-url{display:flex;gap:8px;margin-top:12px}
.modal .share-url input{flex:1;padding:8px 12px;border:1px solid var(--c-border);border-radius:8px;font-size:.88rem}
.modal .copy-feedback{font-size:.82rem;color:var(--c-success);margin-top:8px;display:none}

/* ===== RESPONSIVE ===== */
@media(max-width:960px){
  .hero .container{grid-template-columns:1fr}
  .hero-visual{display:none}
  .feature-grid,.level-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .admin-layout{grid-template-columns:1fr}
  .admin-sidebar{display:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .section{padding:40px 0}
  .feature-grid,.level-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
  .section-title{font-size:1.5rem}
  .hero-stats{flex-wrap:wrap;gap:14px}
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--c-white);border-bottom:1px solid var(--c-border);padding:12px 20px;z-index:99}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:2px}
  .main-nav a{padding:11px 14px}
  .telegram-banner{flex-direction:column;text-align:center}
  .stat-grid{grid-template-columns:1fr}
  .lesson-grid{grid-template-columns:1fr}
}