:root{--ink:#0b1220;--muted:#586575;--line:#d9e1e7;--paper:#f3f7f6;--panel:#fff;--panel-soft:#e8f1ef;--green:#1f8a70;--amber:#c46a2b;--red:#c2413a;--cyan:#0e7490;--cream:#fffaf1;--shadow:0 22px 60px #0b12201f;--shadow-soft:0 12px 36px #0b122014;--glow:0 0 28px #0e74902e;--font-body:"Avenir Next", "Noto Sans SC", sans-serif;--font-data:"DIN Alternate", "Avenir Next", sans-serif;color:var(--ink);background:var(--paper);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}.teacher-shell{background:linear-gradient(90deg, #0b1220fa 0 280px, transparent 280px), radial-gradient(circle at 74% 8%, #0e749024, transparent 34%), radial-gradient(circle at 40% 96%, #1f8a701f, transparent 32%), repeating-linear-gradient(135deg, #1f8a7012 0 1px, transparent 1px 22px), var(--paper);grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.side-rail{color:#f8fafc;flex-direction:column;gap:24px;height:100vh;padding:28px 22px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:14px;display:flex}.brand>span{background:var(--green);color:#07111f;width:52px;height:52px;font-family:var(--font-data);border:1px solid #ffffff47;border-radius:16px 4px;place-items:center;font-weight:800;display:grid}.brand p,.kicker{color:var(--cyan);font-family:var(--font-data);letter-spacing:0;text-transform:uppercase;margin:0;font-size:12px;font-weight:800}.brand p{color:#7dd3fc}.brand h1,.topbar h2,.login-panel h3,.empty-state h3,.editor-panel h3{letter-spacing:0;margin:0}.brand h1{margin-top:4px;font-size:24px}.env-pill,.teacher-card{background:#ffffff0f;border:1px solid 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0;font-size:22px;display:block}.teacher-card__meta{border-top:1px solid #ffffff29;margin-top:16px;padding-top:14px}.teacher-card__meta b{color:#fff;font-family:var(--font-data);font-size:36px;line-height:1;display:block}.teacher-card__meta em{color:#94a3b8;margin-top:4px;font-size:12px;font-style:normal;display:block}.rail-button,.toolbar button,.form-actions button,.panel-title button,.editor-panel>button,.day-head,.mini-list button{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:8px}.rail-button{color:#f8fafc;background:0 0;border-color:#ffffff47;padding:12px}.workspace{min-width:0;padding:28px}.topbar{border:1px solid var(--line);box-shadow:var(--shadow-soft), var(--glow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffe6;border-radius:18px;grid-template-columns:minmax(260px,1fr) auto auto;align-items:center;gap:20px;margin-bottom:18px;padding:24px;display:grid}.topbar h2{margin:4px 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#0b12200f}.event-block:hover{border-color:#1f8a707a;box-shadow:0 16px 34px #0b12201a}.event-block.active{border-color:var(--amber);border-left-color:var(--amber);box-shadow:0 0 0 3px #c46a2b21}.event-block strong{font-size:16px}.event-time{font-family:var(--font-data);font-weight:800}.event-student{font-weight:800;color:var(--ink)!important}.event-type{background:#0e74901a;border-radius:999px;justify-self:start;padding:3px 8px;font-weight:900;color:var(--cyan)!important}.event-block i{color:var(--muted);background:#0b12200f;border-radius:999px;justify-self:start;padding:3px 8px;font-size:11px;font-style:normal;font-weight:800}.empty-slot{width:100%;min-height:120px;color:var(--muted);background:#ffffff8a;border:1px dashed #58657559;border-radius:14px;font-weight:800}.empty-slot:hover{color:var(--green);background:#1f8a700f;border-color:#1f8a7085}.module-layout{gap:18px;display:grid}.schedule-layout{grid-template-columns:minmax(0,1fr) 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span{align-items:center;gap:8px;font-size:18px;font-weight:900;display:flex}.course-type-list i{border-radius:999px;flex:none;width:12px;height:12px;box-shadow:0 0 0 3px #0e74901a}.resource-list small{color:var(--cyan);background:#0e74901a;border-radius:999px;justify-self:end;padding:3px 8px;font-size:12px;font-weight:800}.resource-list em{color:var(--muted);grid-column:1/3;font-style:normal;line-height:1.6}.resource-list b{color:var(--red);place-self:end start;font-size:12px}.resource-empty{min-height:220px;color:var(--muted);border:1px dashed #58657559;border-radius:18px;grid-column:1/-1;place-items:center;font-weight:800;display:grid}@media (width<=1180px){.teacher-shell{background:var(--paper);display:block}.side-rail{background:var(--ink);height:auto;position:static}.side-panels,.schedule-layout,.resource-module,.topbar{grid-template-columns:1fr}.summary-strip{min-width:0}.schedule-editor,.resource-editor{position:static}}@media 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