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:root{--background:#f6f3ee;--foreground:#1e2528;--muted:#607179;--panel:#fff;--line:#d8dfdc;--accent:#0f7b72;--accent-dark:#075a55;--warm:#a4492f;--soft:#edf7f5}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--foreground);background:linear-gradient(180deg, #edf7f5eb, transparent 320px), var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-family:Arial,Helvetica,sans-serif;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}.shell{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 56px}.topbar{justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:18px;display:flex}.page-heading{justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px;display:flex}.main-nav{align-items:center;gap:10px;margin-bottom:28px;display:flex}.main-nav a{border:1px solid var(--line);min-height:38px;color:var(--accent-dark);background:#ffffffc7;border-radius:8px;align-items:center;padding:0 14px;font-weight:800;display:inline-flex}.eyebrow{color:var(--warm);letter-spacing:0;text-transform:uppercase;margin-bottom:6px;font-size:.78rem;font-weight:700}h1{font-size:clamp(2rem,3.5vw,4rem);line-height:1}h2{margin-bottom:10px;font-size:1rem}.learning-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}.lesson,.side-panel,.auth-card,.admin-form,.tool-panel,.history-card{border:1px solid var(--line);background:#ffffffeb;box-shadow:0 20px 60px #1e252814}.lesson{border-radius:8px;padding:clamp(24px,4vw,48px)}.lesson-date{color:var(--muted);margin-bottom:22px;font-size:.95rem}.sentence{color:#10272a;max-width:820px;font-size:clamp(2rem,5vw,4.8rem);font-weight:800;line-height:1.05}.speak-control{flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;display:flex}.speak-control p{color:var(--warm);font-size:.9rem}.speak-button{border:1px solid var(--line);background:var(--soft);min-height:42px;color:var(--accent-dark);cursor:pointer;font:inherit;border-radius:8px;align-items:center;gap:8px;padding:0 14px;font-weight:800;display:inline-flex}.speak-button span{justify-content:center;width:1em;font-size:.82rem;display:inline-flex}.translation{color:var(--accent-dark);margin-top:22px;font-size:1.22rem;line-height:1.7}.explain-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:34px;display:grid}.explain-grid section,.panel-block{border-top:1px solid var(--line);padding-top:18px}.explain-grid p,.panel-block p{color:var(--muted);line-height:1.75}.side-panel{border-radius:8px;gap:26px;padding:24px;display:grid}.auth-card{border-radius:8px;gap:12px;width:min(380px,100%);padding:16px;display:grid}.auth-card.signed-in{justify-content:space-between;align-items:center;display:flex}.auth-card span{color:var(--muted);margin-bottom:4px;font-size:.82rem;display:block}.segmented{border:1px solid var(--line);border-radius:8px;grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.segmented button,.ghost-button,.primary-button{cursor:pointer;font:inherit;border:0}.segmented button{min-height:40px;color:var(--muted);background:#fff}.segmented button.active{background:var(--accent);color:#fff;font-weight:700}label{color:#334044;gap:6px;font-size:.9rem;font-weight:700;display:grid}input,textarea,select{border:1px solid var(--line);width:100%;color:var(--foreground);font:inherit;background:#fff;border-radius:8px;padding:11px 12px}textarea{resize:vertical;min-height:96px}.primary-button{background:var(--accent);color:#fff;border-radius:8px;min-height:44px;padding:0 16px;font-weight:800}.primary-button:disabled{cursor:wait;opacity:.72}.ghost-button{background:var(--soft);min-height:38px;color:var(--accent-dark);border-radius:8px;padding:0 14px;font-weight:800}.danger-button{min-height:38px;color:var(--warm);cursor:pointer;font:inherit;background:#fff5f1;border:1px solid #a4492f47;border-radius:8px;padding:0 14px;font-weight:800}.danger-button:disabled{cursor:not-allowed;opacity:.5}.form-message{color:var(--warm);font-size:.9rem;line-height:1.5}.push-actions{gap:10px;margin-top:16px;display:grid}.history-list{gap:14px;display:grid}.history-item{gap:4px;display:grid}.history-item time{color:var(--warm);font-size:.78rem;font-weight:800}.history-item p{color:var(--foreground);line-height:1.45}.history-list.compact .history-item{border-bottom:1px solid var(--line);padding-bottom:12px}.history-list.compact .history-item:last-child{border-bottom:0;padding-bottom:0}.admin-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start;gap:20px;display:grid}.admin-main-column{gap:20px;display:grid}.admin-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.admin-form{border-radius:8px;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:24px;display:grid}.admin-form>div,.admin-form label:nth-of-type(3),.admin-form label:nth-of-type(n+4),.admin-form .primary-button,.admin-form .form-message{grid-column:1/-1}.kids-shell{--accent:#1d7a46;--accent-dark:#155c37;--warm:#c0521b;--soft:#eef8ef}.motivation-shell{--accent:#8a4f12;--accent-dark:#6b3c0d;--warm:#b14d35;--soft:#fff4e6}.grammar-shell{--accent:#5a6784;--accent-dark:#38445d;--warm:#9b4d6a;--soft:#f1f4fb}.phrase-shell{--accent:#6c6a17;--accent-dark:#4f4d0f;--warm:#8c4f2f;--soft:#f7f6e8}.pattern-shell{--accent:#2f6f8f;--accent-dark:#1e4f68;--warm:#9a4f43;--soft:#edf6fb}.ai-shell{--accent:#3d6f4d;--accent-dark:#284d36;--warm:#8a4f66;--soft:#edf8f0}.travel-shell{--accent:#8a5a22;--accent-dark:#5f3d16;--warm:#2f6f8f;--soft:#fff4e6}.life-shell{--accent:#7a4057;--accent-dark:#54283a;--warm:#3d6f4d;--soft:#fff0f5}.business-shell{--accent:#4f5f86;--accent-dark:#303a55;--warm:#8a5a22;--soft:#f0f3fb}.chat-shell{--accent:#6f5a2f;--accent-dark:#4b3d20;--warm:#7a4057;--soft:#fbf6ea}.grammar-title{font-size:clamp(1.8rem,4.3vw,4rem)}.phrase-title{font-size:clamp(2.2rem,5.5vw,5.4rem)}.pattern-title{font-size:clamp(1.8rem,4.5vw,4.2rem)}.ai-title,.travel-title,.life-title,.business-title,.chat-title{font-size:clamp(1.7rem,4vw,3.7rem)}.portal-shell{gap:28px;display:grid}.portal-hero{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) minmax(280px,420px);align-items:end;gap:28px;min-height:340px;padding:clamp(32px,7vw,86px) 0 30px;display:grid}.portal-hero h1{max-width:760px}.portal-hero p:not(.eyebrow){color:var(--muted);max-width:720px;margin-top:18px;font-size:clamp(1rem,2vw,1.24rem);line-height:1.8}.portal-nav{flex-wrap:wrap;justify-content:flex-end;margin-bottom:0}.portal-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:18px;display:grid}.portal-card{border:1px solid var(--line);background:#ffffffeb;border-radius:8px;flex-direction:column;gap:18px;min-height:320px;padding:clamp(22px,3vw,30px);display:flex;position:relative;overflow:hidden;box-shadow:0 20px 60px #1e252814}.portal-card:before{content:"";background:var(--accent);border-radius:999px;width:64px;height:6px;display:block}.portal-card.kids:before{background:#1d7a46}.portal-card.motivation:before{background:#8a4f12}.portal-card.grammar:before{background:#5a6784}.portal-card.phrase:before{background:#6c6a17}.portal-card.pattern:before{background:#2f6f8f}.portal-card.ai:before{background:#3d6f4d}.portal-card.travel:before{background:#8a5a22}.portal-card.life:before{background:#7a4057}.portal-card.business:before{background:#4f5f86}.portal-card.chat:before{background:#6f5a2f}.portal-card span{color:var(--warm);letter-spacing:0;text-transform:uppercase;font-size:.78rem;font-weight:800}.portal-card h2{color:#10272a;margin-bottom:0;font-size:clamp(1.35rem,2.1vw,2rem);line-height:1.14}.portal-card p{color:var(--muted);line-height:1.75}.portal-card blockquote{border-top:1px solid var(--line);color:var(--accent-dark);margin-top:auto;padding-top:18px;font-size:1.12rem;font-weight:800;line-height:1.45}.portal-card strong{color:var(--accent-dark)}.tool-panel{border-radius:8px;gap:14px;padding:24px;display:grid}.tool-panel p{color:var(--muted);line-height:1.7}.mail-test-form{gap:16px;display:grid}.analytics-panel{gap:18px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}.stats-grid div{border:1px solid var(--line);background:var(--soft);border-radius:8px;padding:14px}.stats-grid span{color:var(--muted);margin-bottom:8px;font-size:.8rem;font-weight:800;display:block}.stats-grid strong{color:#10272a;font-size:1.9rem;line-height:1;display:block}.analytics-list{border-top:1px solid var(--line);gap:10px;padding-top:16px;display:grid}.analytics-list h3{font-size:.95rem}.analytics-list p{justify-content:space-between;align-items:center;gap:12px;display:flex}.analytics-list p span{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.analytics-list p strong{color:var(--accent-dark)}.list-section,.history-page-list{margin-top:22px}.section-title{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.user-admin-layout{grid-template-columns:340px minmax(0,1fr);align-items:start;gap:20px;display:grid}.user-form{position:sticky;top:18px}.checkbox-row{align-items:center;gap:10px;display:flex}.checkbox-row input{width:18px;height:18px}.checkbox-row.compact{font-size:.86rem}.user-list-panel{overflow:hidden}.user-list-head{grid-template-columns:minmax(0,1fr) minmax(220px,300px);align-items:end;gap:16px;display:grid}.user-table{border:1px solid var(--line);border-radius:8px;overflow-x:auto}.user-table-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(220px,1.3fr) 110px minmax(160px,.9fr) 120px 170px;align-items:center;gap:12px;min-width:820px;padding:14px;display:grid}.user-table-row:last-child{border-bottom:0}.user-table-head{background:var(--soft);color:var(--accent-dark);font-size:.8rem;font-weight:800}.user-table-row strong,.user-table-row small{display:block}.user-table-row small{color:var(--muted);margin-top:4px;font-size:.82rem}.user-table-row mark{background:var(--soft);color:var(--accent-dark);border-radius:999px;padding:5px 9px;font-size:.78rem;font-weight:800;display:inline-flex}.row-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.user-edit-row{align-items:start}.user-edit-row input{margin-bottom:8px}.user-edit-row input:last-child{margin-bottom:0}.section-title span{color:var(--muted);font-size:.9rem;font-weight:800}.history-page-list{gap:16px;display:grid}.history-card{border-radius:8px;padding:24px}.history-card time{color:var(--warm);margin-bottom:10px;font-size:.86rem;font-weight:800;display:block}.history-card h2,.history-card h3{color:#10272a;margin-bottom:12px;font-size:clamp(1.35rem,3vw,2.25rem);line-height:1.15}.history-card p{line-height:1.7}.mini-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:18px;display:grid}.mini-grid div{border-top:1px solid var(--line);padding-top:14px}.mini-grid strong{margin-bottom:8px;display:block}@media (max-width:860px){.topbar,.page-heading,.portal-hero,.learning-layout,.admin-layout,.user-admin-layout,.user-list-head{grid-template-columns:1fr;display:grid}.user-form{position:static}.auth-card{width:100%}.main-nav{flex-wrap:wrap}.explain-grid,.portal-grid,.stats-grid,.mini-grid,.admin-form{grid-template-columns:1fr}.sentence{font-size:clamp(2rem,11vw,3.3rem)}}