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sg-wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-7deg)}60%{transform:rotate(6deg)}}@keyframes sg-sway{0%,to{transform:rotate(-6deg)}50%{transform:rotate(6deg)}}@keyframes sg-hop{0%{transform:translateY(0) scale(1)}40%{transform:translateY(-7px) scale(1.08)}to{transform:translateY(0) scale(1)}}.login{position:relative}.login-head{text-align:center;padding-top:32px;position:relative;z-index:1}.login-logo{display:grid;place-items:center}.login-tagline{margin:0;color:var(--ink-soft);font-size:17px}.login-card{position:relative;z-index:1}.login-floats{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:0}.login-float{position:absolute;width:58px;height:58px;object-fit:contain;opacity:.55}.login-float-1{top:6%;left:4%;transform:rotate(-12deg)}.login-float-2{top:30%;right:3%;transform:rotate(10deg)}.login-float-3{bottom:14%;left:2%;transform:rotate(8deg)}.login-float-4{bottom:4%;right:8%;transform:rotate(-8deg)}@media (prefers-reduced-motion: 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ease-out;transform-box:fill-box;transform-origin:center}.logo-eyes{animation:sg-blink .25s ease-out;transform-box:fill-box;transform-origin:center}.login-card.shake{animation:sg-shake .45s cubic-bezier(.36,.07,.19,.97) both}.login-card.shake>*{animation:none}.btn.is-busy{animation:sg-pulse 1s ease-in-out infinite}}@keyframes sg-drop{0%{transform:translateY(-60px) scale(.8);opacity:0}to{transform:none;opacity:1}}@keyframes sg-rise{0%{transform:translateY(18px);opacity:0}to{transform:none;opacity:1}}@keyframes sg-shake{10%,90%{transform:translate(-2px)}20%,80%{transform:translate(4px)}30%,50%,70%{transform:translate(-7px)}40%,60%{transform:translate(7px)}}@keyframes sg-pulse{0%,to{transform:scale(1)}50%{transform:scale(.97)}}@keyframes sg-squeeze{0%{transform:scaleY(2)}to{transform:scaleY(1)}}@keyframes sg-blink{0%{transform:scaleY(.2)}to{transform:scaleY(1)}}@media (prefers-reduced-motion: no-preference){.admin-login{animation:sg-rise .5s cubic-bezier(.16,1,.3,1) both}.admin-login-error{animation:sg-shake .45s cubic-bezier(.36,.07,.19,.97) both}}:root[data-theme=dark]{color-scheme:dark;--sky-light: #13232b;--sky: #0f1d24;--sky-deep: #2a4452;--amber: #ffb22e;--amber-dark: #e89a10;--grass: #79c94c;--coral: #f47a69;--plum: #b9a0f0;--ink: #e8f1f5;--ink-soft: #a9bec8;--paper: #1b2c35;--shadow-card: 0 10px 0 rgba(0, 0, 0, .28);--shadow-press: 0 5px 0 rgba(0, 0, 0, .34);--note-bg: #3a2f14;--note-ink: #ffd27a;--chip-on: #3a2f14;--go-fade: #0f1d24;--option-quiet: #22343e;--review-right-line: #3f6b28;--review-wrong-line: #7a3a31}:root[data-theme=dark] body{background:linear-gradient(180deg,var(--sky) 0%,var(--sky-light) 45%,#0c181e 100%);background-attachment:fixed}:root[data-theme=dark] .field input,:root[data-theme=dark] .field select{background:#13232b;color:var(--ink);border-color:var(--sky-deep)}:root[data-theme=dark] .error{background:#3a1d1a;color:#ffb0a5}:root[data-theme=dark] .notice{background:#3a2f14;color:var(--ink)}:root[data-theme=dark] .subject-card{background:var(--paper)!important}:root[data-theme=dark] .bottom-nav{background:#1b2c35;box-shadow:0 -6px 18px #00000059}:root[data-theme=dark] .nav-tab{color:var(--ink-soft)}:root[data-theme=dark] .nav-tab.active .nav-label{color:#9be36b}:root[data-theme=dark] .nav-icon{background:#ffffff14}:root[data-theme=dark] .board-row{border-top-color:#22343e}:root[data-theme=dark] .cal-day{background:#22343e;color:var(--ink)}:root[data-theme=dark] .cal-day.on{background:#3f6b28;color:#e8f6dc}:root[data-theme=dark] .premium-strip{background:#3a2f14;border-color:#6b5420}:root[data-theme=dark] .premium-strip-title{color:#ffd27a}:root[data-theme=dark] .premium-strip-sub{color:#e9c98a}:root[data-theme=dark] .animal.on{background:#3a2f14}:root[data-theme=dark] .question-picture,:root[data-theme=dark] .review-picture{background:#fff}.theme-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px}.theme-option{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;border:3px solid transparent;border-radius:20px;background:var(--sky-light);color:var(--ink);font-family:var(--display);font-weight:700;font-size:16px}.theme-option span:first-child{font-size:28px;line-height:1.1}.theme-option.on{border-color:var(--amber);background:var(--chip-on, #fff6e0)}:root[data-theme=dark] .admin{--a-ink: #e6eef2;--a-ink-2: #b8c8d0;--a-ink-3: #8ea3ad;--a-line: #26363f;--a-line-2: #34474f;--a-canvas: #0f171c;--a-wash: #18242b;--a-surface: #141f25;--a-green: #3fae73;--a-green-deep: #6fd29c;--a-green-wash: #173a28;--a-amber-wash: #3a2f14;--a-amber-ink: #ffd27a;--a-red-ink: #ff9d90;--a-shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 18px -8px rgba(0, 0, 0, .6)}:root[data-theme=dark] .admin-side{background:#0a1115;border-right:1px solid #1c2a31}:root[data-theme=dark] .admin-card,:root[data-theme=dark] .stat-box{background:var(--a-surface);border-color:var(--a-line);color:var(--a-ink)}:root[data-theme=dark] .admin-card.error{background:#3a1d1a;color:#ffb0a5;border-color:#7a3a31}:root[data-theme=dark] .admin-hint,:root[data-theme=dark] .stat-label,:root[data-theme=dark] .admin-card h3,:root[data-theme=dark] .coverage th,:root[data-theme=dark] .question-table th{color:var(--a-ink-3)}:root[data-theme=dark] .coverage th,:root[data-theme=dark] .coverage td,:root[data-theme=dark] .question-table th,:root[data-theme=dark] .question-table td{border-bottom-color:var(--a-line)}:root[data-theme=dark] .question-table tr.clickable:hover td{background:var(--a-wash)}:root[data-theme=dark] .coverage td.thin{background:#3a2f14;color:#ffd27a}:root[data-theme=dark] .coverage td.zero{background:#3a1d1a;color:#ffb0a5}:root[data-theme=dark] .stem-cell{color:var(--a-ink)}:root[data-theme=dark] .option-chip{background:#1e2c33;color:var(--a-ink-2)}:root[data-theme=dark] .option-chip.correct{background:var(--a-green-wash);color:var(--a-green-deep)}:root[data-theme=dark] .pill{background:#1e2c33;color:var(--a-ink-2)}:root[data-theme=dark] .admin-btn.ghost{background:var(--a-surface);color:var(--a-ink);border-color:var(--a-line-2)}:root[data-theme=dark] .admin-notice{background:var(--a-green-wash);color:var(--a-green-deep)}:root[data-theme=dark] .filter-bar input,:root[data-theme=dark] .filter-bar select,:root[data-theme=dark] .editor-field textarea,:root[data-theme=dark] .editor-field select,:root[data-theme=dark] .editor-field input,:root[data-theme=dark] .admin-login input,:root[data-theme=dark] .qb-lessons-select{background:var(--a-wash);color:var(--a-ink);border-color:var(--a-line-2)}:root[data-theme=dark] .chart-tabs{background:#1e2c33}:root[data-theme=dark] .chart-tabs button{color:var(--a-ink-2)}:root[data-theme=dark] .chart-tabs button.on{background:var(--a-surface);color:var(--a-ink)}:root[data-theme=dark] .chart-grid{stroke:var(--a-line)}:root[data-theme=dark] .meter{background:#1e2c33}:root[data-theme=dark] .qb-modes button.on{background:var(--a-green);border-color:var(--a-green);color:#fff}:root[data-theme=dark] .qb-classes{background:#18242b}:root[data-theme=dark] .qb-classes button:hover{background:#ffffff0d}:root[data-theme=dark] .qb-num{background:#1e2c33}:root[data-theme=dark] .qb-row{border-bottom-color:var(--a-line)}:root[data-theme=dark] .qb-row:hover{background:#17232a}:root[data-theme=dark] .qb-row.ticked,:root[data-theme=dark] .qb-row.ticked:hover,:root[data-theme=dark] .qb-select.active{background:#13281d}:root[data-theme=dark] .qb-select.active,:root[data-theme=dark] .option-row.correct{border-color:#2f6a48}:root[data-theme=dark] .option-row.correct{background:#13281d}:root[data-theme=dark] .qb-options li{background:#1e2c33;color:var(--a-ink-2)}:root[data-theme=dark] .qb-mode{background:#1e2c33}:root[data-theme=dark] .qb-mode-academy{background:#15283f;color:#8cc0ff}:root[data-theme=dark] .qb-mode-clock{background:#3a2716;color:#ffb47a}:root[data-theme=dark] .qb-mode-contest{background:#2a2140;color:#c3aaff}:root[data-theme=dark] .qb-mode-true_false{background:#12302c;color:#7fd8cb}:root[data-theme=dark] .qb-mode-one_vs_one{background:#3a1820;color:#ff9fb0}:root[data-theme=dark] .qb-thumb,:root[data-theme=dark] .editor-picture img{background:#fff}:root[data-theme=dark] .option-remove:hover{background:#3a1d1a}:root[data-theme=dark] .editor{box-shadow:-12px 0 32px -12px #000000b3}.admin-theme{display:flex;gap:4px;padding:4px 8px 6px}.admin-theme button{flex:1;border:1px solid rgba(255,255,255,.14);background:transparent;color:#ffffffb3;font:inherit;font-size:13px;padding:5px 8px;border-radius:7px;cursor:pointer}.admin-theme button:hover{color:#fff;border-color:#ffffff4d}.admin-theme button.on{background:#ffffff24;color:#fff;border-color:transparent}:root[data-theme=dark] .lp{--lp-soft: #a9bec8}:root[data-theme=dark] .lp-phone,:root[data-theme=dark] .lp-next,:root[data-theme=dark] .lp-schools,:root[data-theme=dark] .lp-foot,:root[data-theme=dark] .lp-plan-switch button.on,:root[data-theme=dark] .lp .lp-final .btn{background:#07121a}:root[data-theme=dark] .lp-option.right{background:#1f3a14;color:#c9f0b0}:root[data-theme=dark] .lp-option.wrong{background:#3a1d1a;color:#ffb0a5}:root[data-theme=dark] .lp-verdict.right{color:#8fd66a}:root[data-theme=dark] .lp-verdict.wrong{color:#ff9d90}:root[data-theme=dark] .lp-soon{background:#3a2f14;color:#ffd27a}:root[data-theme=dark] .lp-facts li{background:#ffffff14}:root[data-theme=dark] .lp ::selection{background:#6b5420;color:#fff}.lp-theme{display:grid;place-items:center;width:40px;height:40px;border:none;border-radius:50%;background:var(--paper);color:var(--ink);font-size:19px;box-shadow:var(--shadow-card)}