:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}*{box-sizing:border-box}body{margin:0;background:#050506;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{position:relative;width:min(100%,620px);min-height:100vh;margin:auto;background:var(--bg);padding:24px 22px 92px}.topbar,.section-heading,.profile-head{display:flex;align-items:flex-start}.topbar,.section-heading,.profile-head{justify-content:space-between}.eyebrow{display:block;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}.topbar h1{margin:5px 0 0;font-size:27px;letter-spacing:-.5px}.avatar{width:38px;height:38px;border:0;border-radius:50%;background:#252a31;display:grid;place-items:center;color:var(--accent);font:inherit;font-weight:800;cursor:pointer}.view{display:none;padding-top:54px}.view.active{display:block}.chat-view{min-height:calc(100vh - 166px);padding-top:50px;display:none;flex-direction:column}.chat-view.active{display:flex}.chat-heading{display:flex;gap:13px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.chat-heading p{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.status-dot{width:9px;height:9px;margin-top:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(198,243,107,.12);flex:none}.chat{display:grid;gap:10px;flex:1;align-content:start;margin:22px 0 14px;overflow:auto}.bubble{max-width:88%;padding:12px 14px;border-radius:9px;font-size:14px;line-height:1.4;white-space:pre-wrap}.bubble.bot{background:var(--panel);border:1px solid var(--line);justify-self:start}.bubble.user{background:var(--accent);color:var(--accent-ink);justify-self:end}.chat-form{display:flex;gap:8px}.chat-form input{min-width:0;flex:1;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--text);font:inherit;font-size:16px;outline:none}.chat-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(198,243,107,.11)}.chat-form input::placeholder{color:#656b74}.chat-form button{width:48px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-size:22px;cursor:pointer}.section-heading h2{margin:5px 0 0;font-size:31px;letter-spacing:-.7px}.date{color:var(--muted);font-size:12px;padding-top:18px}.schedule-picker{margin-top:25px}.field-label{display:block;color:var(--muted);font-size:11px;font-weight:700;margin-bottom:7px}.group-picker{position:relative}.group-options{display:none;position:absolute;left:0;right:0;top:0;max-height:310px;overflow:auto;padding:5px;background:#1a1d23;border:1px solid var(--line);border-radius:8px;box-shadow:0 16px 35px rgba(0,0,0,.45);z-index:10}.group-options.static{display:grid;position:static;max-height:310px;box-shadow:none}.group-option{border:0;border-radius:5px;background:transparent;color:var(--text);padding:11px 10px;text-align:left;font:inherit;font-size:14px;cursor:pointer}.group-option:hover,.group-option:focus,.group-option.selected{background:#272c33;color:var(--accent);outline:0}.schedule-list{display:grid;gap:10px;margin-top:20px;padding-bottom:20px}.lesson{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:17px 18px}.lesson time{color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.4px}.lesson h3{margin:8px 0 5px;font-size:16px;line-height:1.3}.lesson p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.empty{border:1px dashed var(--line);border-radius:9px;color:var(--muted);padding:24px 18px;font-size:14px;line-height:1.5}.tabs{position:fixed;left:50%;bottom:0;z-index:20;display:grid;grid-template-columns:1fr 1fr;width:min(100%,620px);transform:translateX(-50%);padding:8px 14px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(9,10,12,.96);backdrop-filter:blur(16px)}.tab{display:grid;gap:3px;justify-items:center;border:0;border-radius:8px;background:transparent;color:var(--muted);padding:7px;font:inherit;font-size:11px;font-weight:700;cursor:pointer}.tab span{font-size:20px;line-height:20px}.tab.active{background:#1b201b;color:var(--accent)}.profile-panel{position:fixed;left:50%;bottom:0;z-index:40;width:min(100%,620px);padding:22px 22px calc(88px + env(safe-area-inset-bottom));background:#14161b;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 -20px 60px rgba(0,0,0,.5);transform:translate(-50%,105%);transition:transform .22s ease}.profile-panel.open{transform:translate(-50%,0)}.profile-head h2{margin:5px 0 0;font-size:25px}.profile-head button{border:0;background:transparent;color:var(--muted);font-size:28px;line-height:28px;cursor:pointer}.profile-note{margin:18px 0;color:var(--muted);font-size:13px;line-height:1.45}.primary{width:100%;margin-top:16px;padding:14px 18px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);font:inherit;font-size:14px;font-weight:800;cursor:pointer}.saved-state{height:15px;margin:8px 1px 0;color:var(--muted);font-size:11px}.profile-backdrop{position:fixed;inset:0;z-index:30;background:rgba(0,0,0,.58);opacity:0;pointer-events:none;transition:opacity .2s ease}.profile-backdrop.open{opacity:1;pointer-events:auto}@media(min-width:621px){body{padding:20px 0}.app-shell{min-height:calc(100vh - 40px);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 70px rgba(0,0,0,.35)}.tabs{bottom:20px;border:1px solid var(--line);border-radius:12px}.profile-panel{bottom:20px;border-bottom:1px solid var(--line);border-radius:16px}.profile-backdrop{inset:20px 0}}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}*{box-sizing:border-box}body{margin:0;background:#050506;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{position:relative;width:min(100%,620px);min-height:100vh;margin:auto;background:var(--bg);padding:24px 22px 92px}.topbar,.section-heading,.profile-head{display:flex;align-items:flex-start}.topbar,.section-heading,.profile-head{justify-content:space-between}.eyebrow{display:block;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}.topbar h1{margin:5px 0 0;font-size:27px;letter-spacing:-.5px}.avatar{width:38px;height:38px;border:0;border-radius:50%;background:#252a31;display:grid;place-items:center;color:var(--accent);font:inherit;font-weight:800;cursor:pointer}.view{display:none;padding-top:54px}.view.active{display:block}.chat-view{min-height:calc(100vh - 166px);padding-top:50px;display:none;flex-direction:column}.chat-view.active{display:flex}.chat-heading{display:flex;gap:13px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.chat-heading p{margin:5px 0 0;color:var(--muted);font-size:13px;line-height:1.45}.status-dot{width:9px;height:9px;margin-top:4px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(198,243,107,.12);flex:none}.chat{display:grid;gap:10px;flex:1;align-content:start;margin:22px 0 14px;overflow:auto}.bubble{max-width:88%;padding:12px 14px;border-radius:9px;font-size:14px;line-height:1.4;white-space:pre-wrap}.bubble.bot{background:var(--panel);border:1px solid var(--line);justify-self:start}.bubble.user{background:var(--accent);color:var(--accent-ink);justify-self:end}.chat-form{display:flex;gap:8px}.chat-form input{min-width:0;flex:1;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--text);font:inherit;font-size:16px;outline:none}.chat-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(198,243,107,.11)}.chat-form input::placeholder{color:#656b74}.chat-form button{width:48px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);font-size:22px;cursor:pointer}.section-heading h2{margin:5px 0 0;font-size:31px;letter-spacing:-.7px}.date{color:var(--muted);font-size:12px;padding-top:18px}.schedule-picker{margin-top:25px}.field-label{display:block;color:var(--muted);font-size:11px;font-weight:700;margin-bottom:7px}.group-picker{position:relative}.group-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--text);font:inherit;font-size:14px;text-align:left;cursor:pointer}.group-trigger[aria-expanded=true]{border-color:var(--accent);box-shadow:0 0 0 3px rgba(198,243,107,.11)}.group-trigger span{color:var(--muted);font-size:18px}.group-options{display:none;position:absolute;left:0;right:0;top:54px;max-height:310px;overflow:auto;padding:5px;background:#1a1d23;border:1px solid var(--line);border-radius:8px;box-shadow:0 16px 35px rgba(0,0,0,.45);z-index:10}.group-options.open{display:grid}.group-option{border:0;border-radius:5px;background:transparent;color:var(--text);padding:11px 10px;text-align:left;font:inherit;font-size:14px;cursor:pointer}.group-option:hover,.group-option:focus,.group-option.selected{background:#272c33;color:var(--accent);outline:0}.schedule-list{display:grid;gap:10px;margin-top:20px;padding-bottom:20px}.lesson{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:17px 18px}.lesson time{color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.4px}.lesson h3{margin:8px 0 5px;font-size:16px;line-height:1.3}.lesson p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.empty{border:1px dashed var(--line);border-radius:9px;color:var(--muted);padding:24px 18px;font-size:14px;line-height:1.5}.tabs{position:fixed;left:50%;bottom:0;z-index:20;display:grid;grid-template-columns:1fr 1fr;width:min(100%,620px);transform:translateX(-50%);padding:8px 14px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(9,10,12,.96);backdrop-filter:blur(16px)}.tab{display:grid;gap:3px;justify-items:center;border:0;border-radius:8px;background:transparent;color:var(--muted);padding:7px;font:inherit;font-size:11px;font-weight:700;cursor:pointer}.tab span{font-size:20px;line-height:20px}.tab.active{background:#1b201b;color:var(--accent)}.profile-panel{position:fixed;left:50%;bottom:0;z-index:40;width:min(100%,620px);padding:22px 22px calc(88px + env(safe-area-inset-bottom));background:#14161b;border:1px solid var(--line);border-bottom:0;border-radius:16px 16px 0 0;box-shadow:0 -20px 60px rgba(0,0,0,.5);transform:translate(-50%,105%);transition:transform .22s ease}.profile-panel.open{transform:translate(-50%,0)}.profile-head h2{margin:5px 0 0;font-size:25px}.profile-head button{border:0;background:transparent;color:var(--muted);font-size:28px;line-height:28px;cursor:pointer}.profile-note{margin:18px 0;color:var(--muted);font-size:13px;line-height:1.45}.primary{width:100%;margin-top:16px;padding:14px 18px;border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);font:inherit;font-size:14px;font-weight:800;cursor:pointer}.saved-state{height:15px;margin:8px 1px 0;color:var(--muted);font-size:11px}.profile-backdrop{position:fixed;inset:0;z-index:30;background:rgba(0,0,0,.58);opacity:0;pointer-events:none;transition:opacity .2s ease}.profile-backdrop.open{opacity:1;pointer-events:auto}@media(min-width:621px){body{padding:20px 0}.app-shell{min-height:calc(100vh - 40px);border:1px solid var(--line);border-radius:14px;box-shadow:0 20px 70px rgba(0,0,0,.35)}.tabs{bottom:20px;border:1px solid var(--line);border-radius:12px}.profile-panel{bottom:20px;border-bottom:1px solid var(--line);border-radius:16px}.profile-backdrop{inset:20px 0}}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}*{box-sizing:border-box}body{margin:0;background:#050506;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{position:relative;width:min(100%,620px);min-height:100vh;margin:auto;background:var(--bg);padding:24px 22px 92px}.topbar,.section-heading,.profile-head{display:flex;align-items:flex-start}.topbar,.section-heading,.profile-head{justify-content:space-between}.eyebrow{display:block;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}.topbar h1{margin:5px 0 0;font-size:27px;letter-spacing:-.5px}.avatar{width:38px;height:38px;border:0;border-radius:50%;background:#252a31;display:grid;place-items:center;color:var(--accent);font:inherit;font-weight:800;cursor:pointer}.view{display:none;padding-top:54px}.view.active{display:block}.chat-view{height:calc(100vh - 166px);min-height:0;padding-top:50px;display:none;flex-direction:column;overflow:hidden}.chat-view.active{display:flex}.chat{min-height:0}.chat-form{position:sticky;bottom:0;flex:none;padding-top:8px;background:var(--bg)}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}*{box-sizing:border-box}body{margin:0;background:#050506;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{padding-top:16px}.topbar{align-items:center}.topbar h1{font-size:24px}.chat-view{height:calc(100vh - 126px);padding-top:24px}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}*{box-sizing:border-box}body{margin:0;background:#050506;color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.chat-view{height:calc(100vh - 126px);padding-bottom:74px}.chat{padding-bottom:8px}.chat-form{position:fixed;left:50%;bottom:calc(62px + env(safe-area-inset-bottom));z-index:19;width:min(calc(100% - 44px),576px);transform:translateX(-50%);padding:8px 0;background:var(--bg)}@media(min-width:621px){.chat-form{bottom:82px}}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}.tabs{grid-template-columns:repeat(3,1fr)}.feedback-view h2{max-width:240px}.feedback-types{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:26px 0 14px}.feedback-type{border:1px solid var(--line);border-radius:8px;background:var(--panel);color:var(--muted);padding:12px 7px;font:inherit;font-size:12px;font-weight:700;cursor:pointer}.feedback-type.active{border-color:var(--accent);background:#1b201b;color:var(--accent)}#feedback-text{display:block;width:100%;min-height:170px;resize:vertical;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--text);padding:14px;font:inherit;font-size:16px;line-height:1.45;outline:none}#feedback-text:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(198,243,107,.11)}#feedback-text::placeholder{color:#656b74}.feedback-view .primary{margin-top:12px}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}.admin-link{width:100%;margin-top:8px;padding:11px 18px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:700;cursor:pointer}.admin-link:hover{border-color:var(--accent);color:var(--accent)}
:root{--bg:#090a0c;--panel:#111318;--panel-soft:#17191f;--line:#292d35;--text:#f1f3f5;--muted:#8d949e;--accent:#c6f36b;--accent-ink:#13170d}.admin-auth{display:flex;gap:8px;margin-top:24px}.admin-auth input{min-width:0;flex:1;height:46px;padding:0 13px;border:1px solid var(--line);border-radius:8px;background:var(--panel-soft);color:var(--text);font:inherit;font-size:16px;outline:none}.admin-auth button{border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);padding:0 15px;font:inherit;font-size:13px;font-weight:800}.admin-tabs{display:flex;gap:6px;overflow:auto;margin-top:14px;padding-bottom:2px}.admin-tab{white-space:nowrap;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--muted);padding:9px 11px;font:inherit;font-size:12px;font-weight:700}.admin-tab.active{border-color:var(--accent);background:#1b201b;color:var(--accent)}.admin-items{display:grid;gap:9px;margin-top:14px}.admin-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px}.admin-item>div{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px}.admin-item strong{color:var(--accent)}.admin-item p{white-space:pre-wrap;line-height:1.45;margin:10px 0 0;font-size:13px}