/* Authentication */
.auth-screen{min-height:100vh;width:100%;max-width:100%;padding:20px 16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--surface);overflow-x:hidden}
.auth-screen>*{width:100%;max-width:400px;margin-inline:auto}
.auth-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:5px;margin:0}
.auth-wordmark{display:block;width:218px;max-width:70%;height:auto;object-fit:contain;margin:0 auto}
.auth-brand>p{margin:0;color:#72809a;font-size:11px;font-weight:600;letter-spacing:.02em;line-height:1.35;max-width:240px}
.auth-box{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:none;gap:12px;align-items:stretch}
.auth-box-head{padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:4px}
.auth-box-head h1{margin:0;width:100%;text-align:center;font-size:17px;line-height:1.2;font-weight:800;letter-spacing:-.04em}
.auth-box-head p{margin:0 auto;color:var(--muted);font-size:11px;line-height:1.4;max-width:280px;text-align:center}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:3px;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:3px;margin:0}
.auth-tab{position:relative;border:0;background:transparent;min-height:38px;padding:0 9px;border-radius:7px;color:#8995a5;font-size:11.5px;font-weight:750;display:flex;align-items:center;justify-content:center;text-align:center}
.auth-tab:after{display:none}
.auth-tab.active{color:var(--text);background:#fff;border:1px solid var(--line);box-shadow:none}
.auth-role>.label{margin-bottom:6px}
.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.role-card{position:relative;display:grid;grid-template-columns:32px minmax(0,1fr);grid-template-rows:auto auto;column-gap:9px;align-content:center;align-items:center;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:10px;text-align:left;min-height:76px;transition:border-color .12s ease,background .12s ease,box-shadow .12s ease}
.role-card.active{border-color:#8ea5ff;background:#f8faff;box-shadow:0 0 0 1px rgba(18,95,255,.05)}
.role-icon{grid-row:1 / 3;width:32px;height:32px;border-radius:7px;background:var(--primary-soft);border:1px solid #dce4ff;display:grid;place-items:center;color:var(--primary);margin:0}
.role-card strong{display:block;align-self:end;font-size:12px;line-height:1.25;margin:0 0 2px}
.role-card span{display:block;align-self:start;font-size:10px;color:var(--muted);line-height:1.3}
.auth-box .form-group .label{margin-bottom:5px}
.auth-box .input{height:44px;padding:10px 12px}
.auth-subject-select{cursor:pointer;font-weight:700;color:#203858;background:#fff}
.auth-submit{min-height:44px;margin-top:0}
.auth-forgot{text-align:center!important;padding:1px 0 0}
.auth-recovery-box{max-width:380px}
.auth-recovery-icon{width:40px;height:40px;display:grid;place-items:center;margin:0 auto 3px;border:1px solid #dce4ff;border-radius:8px;background:var(--primary-soft);color:var(--primary);font-size:16px}
.auth-recovery-email{display:flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--text-2);font-size:11px;font-weight:650;overflow-wrap:anywhere}
.auth-recovery-email i{color:var(--primary);font-size:10px}
.teacher-card{display:flex;gap:12px;align-items:center}
.teacher-card h4{margin:0 0 3px;font-size:13px;font-weight:750}
.teacher-card p{margin:0;font-size:11px;color:var(--muted)}
.teacher-stats{display:flex;align-items:center;gap:10px;margin-top:7px;font-size:10px;color:#6e7c90}


/* Canonical account-type authentication controls. Kept in shell because auth can render before feature CSS. */
.auth-screen:has(.auth-account-type)>*{max-width:560px}
.auth-account-type{display:grid;gap:7px}
.auth-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.auth-type-card{min-height:62px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--surface);display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;align-items:center;text-align:left;color:var(--text)}
.auth-type-card>i{width:28px;height:28px;border-radius:7px;display:grid;place-items:center;background:#eef4ff;color:#125fff;font-size:12px}
.auth-type-card span{display:grid;gap:2px;min-width:0}.auth-type-card strong{font-size:11px;line-height:1.25}.auth-type-card small{font-size:9px;line-height:1.3;color:var(--muted)}
.auth-type-card.active{border-color:#8ea5ff;background:#f8faff;box-shadow:0 0 0 1px rgba(18,95,255,.05)}
.auth-org-auto-code{margin-top:-2px}
.auth-org-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:760px){.auth-screen:has(.auth-account-type)>*{max-width:440px}.auth-org-grid,.auth-type-grid{grid-template-columns:1fr}}


.telegram-auth-start,.telegram-auth-open{min-height:46px;justify-content:center;gap:8px;border-color:#229ed9!important;background:#229ed9!important;color:#fff!important;font-weight:800}
.telegram-auth-start:hover,.telegram-auth-open:hover{filter:brightness(.97)}
.telegram-auth-start i,.telegram-auth-open i{font-size:18px}
.auth-divider{display:flex;align-items:center;gap:10px;color:#8794a5;font-size:9.5px;font-weight:700;text-align:center}
.auth-divider::before,.auth-divider::after{content:"";height:1px;flex:1;background:var(--line)}
.auth-divider span{white-space:nowrap}
.telegram-auth-panel{display:grid;gap:9px;padding:11px;border:1px solid #cfe1ee;border-radius:8px;background:#f8fbfd}
.telegram-auth-status{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:9px}
.telegram-auth-icon{width:34px;height:34px;display:grid;place-items:center;border-radius:6px;background:#eaf6fb;color:#229ed9;font-size:18px}
.telegram-auth-status strong,.telegram-auth-status small{display:block}
.telegram-auth-status strong{color:var(--text);font-size:11.5px}
.telegram-auth-status small{margin-top:2px;color:var(--muted);font-size:9.5px;line-height:1.35}
.telegram-code-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px}
.auth-box .telegram-code-input{height:42px;text-align:center;font-size:18px;font-weight:850;letter-spacing:.22em;font-variant-numeric:tabular-nums;padding-left:16px}
.telegram-code-row .btn{min-width:104px;min-height:42px}
.telegram-auth-panel>.link-btn{justify-self:center;font-size:9.5px}
@media(max-width:420px){.telegram-code-row{grid-template-columns:1fr}.telegram-code-row .btn{width:100%}}