@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/plusjakarta-latin-ext.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-weight:400 800;font-display:swap;src:url(/fonts/plusjakarta-latin.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--blue:#175cd3;--blue-l:#5aa9ff;--orange:#ff8a34;--orange-d:#ff7a1a;--navy:#172b4d;--bg:var(--surface-2);--line:#dce3f0;--muted:#52607a;--card:#fff;--surface:#fff;--surface-2:var(--surface-2);--link:#175cd3;--field-line:var(--field-line);--field-line-h:var(--field-line-h);--warn-bg:var(--warn-bg);--warn:var(--warn);--warn-bg2:var(--warn-bg2);--ok-bg:#e7f6ec;--ok:#067647;--err-bg:#fdecea;--err:#b42318;--info-bg:#e8f0ff;--radius:18px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--navy);-webkit-font-smoothing:antialiased;margin:0;font-family:Plus Jakarta Sans,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.55}h1{letter-spacing:-.02em;margin:0 0 8px;font-size:clamp(1.6rem,4vw,2.1rem);font-weight:800;line-height:1.15}h3{margin:0 0 6px;font-size:1.05rem}a{color:var(--link)}code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.9em}.muted{color:var(--muted)}.small{font-size:.85rem}.lead{margin:0 0 20px;font-size:1.05rem}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}.brand{color:var(--navy);letter-spacing:-.02em;align-items:center;gap:10px;font-size:1.2rem;text-decoration:none;display:flex}.brand b{font-weight:800}.brand-lock{flex-direction:column;line-height:1.05;display:flex}.brand-name em{color:var(--link);letter-spacing:.01em;font-style:normal}.brand-tag{letter-spacing:.05em;color:var(--muted);margin-top:3px;font-size:.64rem;font-weight:600}.btn{cursor:pointer;border:2px solid #0000;border-radius:12px;padding:12px 22px;font:700 .95rem Plus Jakarta Sans,sans-serif;text-decoration:none;transition:transform .15s,opacity .15s;display:inline-block}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:default}.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:2px}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px #175cd340}.btn-accent{background:var(--orange);color:var(--navy);box-shadow:0 6px 18px #ff8a3459}.btn-ghost{color:var(--link);border-color:var(--blue);background:0 0}.btn-sm{padding:8px 16px;font-size:.88rem}.form{text-align:left;flex-direction:column;gap:6px;display:flex}.form label{margin-top:8px;font-size:.9rem;font-weight:700}.form input[type=text],.form input[type=email],.form input[type=password],.form input[type=tel],.form input:not([type]),.form textarea{width:100%;color:var(--navy);border:2px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 14px;font:500 1rem Plus Jakarta Sans,sans-serif}.form input:focus,.form textarea:focus{border-color:var(--blue)}.form textarea{resize:vertical}.form .btn{width:100%;margin-top:14px}.check{color:var(--muted);align-items:flex-start;gap:10px;font-size:.88rem!important;font-weight:400!important;display:flex!important}.check input{width:20px;height:20px;accent-color:var(--blue);flex:none;margin-top:2px}fieldset{border:0;margin:8px 0 0;padding:0}legend{margin-bottom:6px;padding:0;font-size:.9rem;font-weight:700}.roles{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.roles legend{grid-column:1/-1}.role{border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:14px;flex-direction:column;gap:2px;padding:12px;margin:0!important;font-weight:400!important;display:flex!important}.role input{opacity:0;pointer-events:none;position:absolute}.role b{font-size:.95rem}.role small{color:var(--muted);font-size:.75rem;line-height:1.3}.role.on{border-color:var(--blue);background:var(--info-bg)}.role:has(input:focus-visible){outline:3px solid var(--orange);outline-offset:2px}.subjects{background:var(--surface);border:2px solid var(--line);border-radius:14px;padding:12px 14px}.subjects legend{padding:0 4px}.alt{text-align:center;color:var(--muted);margin:14px 0 0;font-size:.92rem}.notice{border-radius:12px;margin:10px 0;padding:12px 14px;font-size:.92rem}.notice.ok{background:var(--ok-bg);color:var(--ok)}.notice.err{background:var(--err-bg);color:var(--err)}.notice.info{background:var(--info-bg);color:var(--navy)}.notice a{font-weight:700}.auth-page{background:radial-gradient(800px 360px at 85% 0,#5aa9ff38,#0000 60%),radial-gradient(600px 300px at 0 100%,#ff8a3424,#0000 60%);justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.auth-card{background:var(--card);border:1px solid var(--line);border-radius:24px;width:100%;max-width:440px;padding:28px;box-shadow:0 30px 60px -30px #172b4d4d}.auth-card .brand{margin-bottom:18px}.auth-card h1{font-size:1.5rem}.auth-card>.muted{margin:0 0 14px}.center-screen{flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:100vh;display:flex}.topbar{z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);background:#f7f9fceb;position:sticky;top:0}.bar{flex-wrap:wrap;align-items:center;gap:20px;min-height:64px;padding-top:8px;padding-bottom:8px;display:flex}.links{gap:6px;margin-left:8px;display:flex}.links a{color:var(--navy);border-radius:10px;padding:8px 12px;font-size:.92rem;font-weight:600;text-decoration:none}.links a:hover{background:var(--surface-2)}.links a.active{background:var(--info-bg);color:var(--link)}.who{align-items:center;gap:12px;margin-left:auto;display:flex}.who-name{text-align:right;flex-direction:column;font-size:.9rem;font-weight:700;line-height:1.2;display:flex}.who-name small{color:var(--muted);font-weight:500}.page{padding-top:32px;padding-bottom:64px}.cards{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:20px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative}.card.soon{background:linear-gradient(180deg,#fff,var(--surface-2))}.card p{margin:0}.link-card{color:inherit;border-color:var(--blue-l);text-decoration:none}.link-card:hover{box-shadow:0 12px 30px -16px #175cd380}.badge{background:var(--orange);color:var(--navy);border-radius:999px;margin-bottom:8px;padding:2px 9px;font-size:.7rem;font-weight:800;display:inline-block}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);max-width:620px;margin-top:16px;padding:24px}.tabs{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.tabs button{border:2px solid var(--line);background:var(--surface);color:var(--navy);cursor:pointer;border-radius:999px;padding:8px 14px;font:700 .88rem Plus Jakarta Sans,sans-serif}.tabs button.on{border-color:var(--blue);background:var(--info-bg);color:var(--link)}.count{background:var(--surface-2);border-radius:999px;margin-left:8px;padding:0 8px;font-size:.78rem;display:inline-block}.list{flex-direction:column;gap:12px;display:flex}.teacher{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.grow{flex:1;min-width:0}.teacher .bio{white-space:pre-wrap;margin:8px 0;font-size:.92rem}.teacher .actions{flex-direction:column;gap:8px;display:flex}.status{background:var(--surface-2);border-radius:999px;padding:2px 10px;font-size:.75rem;font-weight:800;display:inline-block}.status.pending{background:var(--warn-bg);color:var(--warn)}.status.approved{background:var(--ok-bg);color:var(--ok)}.status.rejected{background:var(--err-bg);color:var(--err)}@media (width<=640px){.roles{grid-template-columns:1fr}.who-name{display:none}.links{order:3;width:100%;margin-left:0}.teacher{flex-direction:column}.teacher .actions{flex-direction:row}}@media (prefers-reduced-motion:reduce){.btn{transition:none}}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.linklike{font:inherit;color:var(--link);cursor:pointer;background:0 0;border:0;padding:0;font-weight:700;text-decoration:underline}.full{width:100%}.prejoin{flex-direction:column;gap:8px;margin:14px 0 6px;display:flex}.toggle{border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:12px;align-items:center;gap:10px;padding:12px 14px;font-size:.92rem;font-weight:700;display:flex}.toggle input{width:18px;height:18px;accent-color:var(--blue)}.toggle.on{border-color:var(--blue);background:var(--info-bg)}.small-toggle{padding:8px 12px;font-size:.85rem}.room{background:var(--bg);flex-direction:column;height:100dvh;display:flex}.room>.notice{margin:8px 12px 0}.room-top{border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap;align-items:center;gap:16px;padding:8px 16px;display:flex}.room-top .brand{font-size:1rem}.room-code{align-items:center;gap:8px;margin-left:8px;display:flex}.conn{border-radius:999px;margin-left:auto;padding:3px 10px;font-size:.8rem;font-weight:800}.conn.ok{background:var(--ok-bg);color:var(--ok)}.conn.bad{background:var(--err-bg);color:var(--err)}.room-body{flex:1;grid-template-columns:1fr 240px;gap:12px;min-height:0;padding:12px;display:grid}.stage{background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.stage-tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px;padding:8px;display:flex}.stage-tabs button{border:2px solid var(--line);background:var(--surface);color:var(--navy);cursor:pointer;border-radius:999px;padding:7px 14px;font:700 .85rem Plus Jakarta Sans,sans-serif}.stage-tabs button.on{border-color:var(--blue);background:var(--info-bg);color:var(--link)}.stage-tabs button:disabled{opacity:.45;cursor:default}.view-only{color:var(--warn);background:var(--warn-bg);border-radius:999px;margin-left:auto;padding:3px 10px;font-size:.78rem;font-weight:800}.stage-view{flex:1;min-height:0;position:relative}.stage-pane,.wb{position:absolute;inset:0}.screen{object-fit:contain;background:#0b1424;width:100%;height:100%}.screen-self{text-align:center;height:100%;color:var(--muted);background:var(--bg);place-items:center;padding:24px;font-weight:600;display:grid}.tiles{flex-direction:column;gap:10px;min-height:0;display:flex;overflow:auto}.tile{aspect-ratio:4/3;background:var(--navy);border-radius:14px;flex:none;position:relative;overflow:hidden}.tile video{object-fit:cover;width:100%;height:100%;display:block}.tile video.mirror{transform:scaleX(-1)}.tile.speaking{outline:3px solid var(--orange)}.avatar{color:#fff;background:linear-gradient(135deg,var(--blue),#0f3f96);place-items:center;width:100%;height:100%;font-size:1.8rem;font-weight:800;display:grid}.tile-name{color:#fff;background:linear-gradient(#0000,#000000a6);align-items:center;gap:6px;padding:18px 10px 6px;font-size:.8rem;font-weight:700;display:flex;position:absolute;bottom:0;left:0;right:0}.tile-name em{background:var(--orange);color:var(--navy);border-radius:999px;padding:1px 7px;font-size:.68rem;font-style:normal}.tile-name i{margin-left:auto;font-style:normal}.controls{border-top:1px solid var(--line);background:var(--surface);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;padding:10px 12px;display:flex}.ctl{border:2px solid var(--line);background:var(--surface);color:var(--navy);cursor:pointer;border-radius:12px;padding:10px 16px;font:700 .88rem Plus Jakarta Sans,sans-serif}.ctl.on{border-color:var(--blue);background:var(--info-bg);color:var(--link)}.ctl:disabled{opacity:.45;cursor:default}.btn-leave{background:var(--err);color:#fff;cursor:pointer;border:0;border-radius:12px;padding:10px 20px;font:800 .9rem Plus Jakarta Sans,sans-serif}@media (width<=800px){.room-body{grid-template-rows:1fr 108px;grid-template-columns:1fr}.tiles{flex-direction:row}.tile{aspect-ratio:auto;width:140px;height:100%}.room-code{margin-left:0}}.confirm{z-index:50;background:var(--surface);border:2px solid var(--err);border-radius:16px;flex-direction:column;gap:12px;width:min(560px,100vw - 24px);padding:16px;font-size:.92rem;font-weight:600;display:flex;position:fixed;bottom:84px;left:50%;transform:translate(-50%);box-shadow:0 20px 50px -10px #172b4d73}.confirm-actions{flex-wrap:wrap;gap:10px;display:flex}.can-draw{color:var(--ok);background:var(--ok-bg);border-radius:999px;margin-left:auto;padding:3px 10px;font-size:.78rem;font-weight:800}.view-only small{font-weight:600}.recent{margin-bottom:16px}.recent ul{flex-direction:column;gap:10px;margin:10px 0 0;padding:0;list-style:none;display:flex}.recent li{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.recent li code{font-size:.95rem}.recent li .linklike{margin-left:auto}html,body{overscroll-behavior:none;-webkit-tap-highlight-color:transparent}.topbar,.room-top,.controls,.tiles,.stage-tabs,.btn,.ctl,.links,.who,.icon-btn,.tabs{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.topbar{padding-top:env(safe-area-inset-top)}.topbar .bar{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}.room{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom)}.room-top{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.auth-page{padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}.page{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.confirm{bottom:calc(84px + env(safe-area-inset-bottom))}.icon-btn{border:2px solid var(--line);background:var(--surface);min-width:40px;min-height:40px;color:var(--link);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:4px;padding:0 12px;font:700 .9rem Plus Jakarta Sans,sans-serif;display:inline-flex}.icon-btn:active{background:var(--info-bg)}.icon-btn.reload{padding:0;display:none}.standalone .icon-btn.reload{display:inline-flex}.standalone .topbar{background:var(--bg);-webkit-backdrop-filter:none;backdrop-filter:none;padding-top:calc(env(safe-area-inset-top) + 28px)}.standalone .topbar .bar{min-height:76px}.standalone .room{padding-top:calc(env(safe-area-inset-top) + 28px)}.standalone .room-top{padding-top:12px;padding-bottom:12px}.standalone .auth-page{padding-top:calc(52px + env(safe-area-inset-top))}.wb{flex-direction:column;display:flex}.wb-canvas{flex:1;min-height:0;position:relative}.wb-bar{border-top:1px solid var(--line);background:var(--surface);flex-wrap:wrap;align-items:center;gap:10px;padding:8px 12px;display:flex}.wb-bar .icon-btn{min-height:40px;font-size:1.3rem;font-weight:800;line-height:1}.wb-bar .icon-btn.accent{background:var(--orange);border-color:var(--orange);color:var(--navy);font-size:.9rem}.wb-bar .icon-btn:disabled{opacity:.4;cursor:default}.wb-page{white-space:nowrap;font-size:.9rem}.check-inline{color:var(--muted);align-items:center;gap:6px;font-size:.82rem;font-weight:700;display:flex}.check-inline input{width:18px;height:18px;accent-color:var(--blue)}.grow{flex:1}.wb-pdf{z-index:5;background:var(--surface);border:2px solid var(--blue);border-radius:14px;flex-direction:column;align-items:flex-start;gap:6px;max-width:min(340px,100% - 24px);padding:12px 14px;font-size:.88rem;display:flex;position:absolute;bottom:12px;right:12px;box-shadow:0 14px 34px -10px #172b4d66}.wb-pdf-actions{flex-wrap:wrap;gap:8px;display:flex}.wb-canvas{touch-action:none;overscroll-behavior:none}.wb .zoom-actions{display:none}.icon-btn.txt{padding:0 12px;font-size:.8rem}.icon-btn.on{background:var(--info-bg);border-color:var(--blue)}.room.board-full{padding:0}.room.board-full .room-top,.room.board-full .tiles,.room.board-full .controls,.room.board-full .stage-tabs,.room.board-full>.notice,.room.board-full .confirm{display:none}.room.board-full .room-body{padding:0;display:block}.room.board-full .stage{z-index:60;background:var(--surface);border:0;border-radius:0;position:fixed;inset:0}.standalone .room.board-full .stage{padding-top:28px}.room.board-full .wb-bar{z-index:20;border:1px solid var(--line);background:#fffffff2;border-radius:999px;flex-wrap:nowrap;gap:8px;width:auto;max-width:calc(100% - 24px);padding:6px 10px;position:absolute;box-shadow:0 10px 30px -8px #172b4d59}.room.board-full .wb-bar.dock-bc{left:50%;bottom:calc(14px + env(safe-area-inset-bottom));transform:translate(-50%)}.room.board-full .wb-bar.dock-bl{left:100px;bottom:calc(14px + env(safe-area-inset-bottom))}.room.board-full .wb-bar.dock-br{right:60px;bottom:calc(14px + env(safe-area-inset-bottom))}.room.board-full .wb-bar.dock-ml,.room.board-full .wb-bar.dock-mr{border-radius:26px;flex-direction:column;max-width:none;max-height:calc(100% - 24px);padding:10px 6px;top:50%;transform:translateY(-50%)}.room.board-full .wb-bar.dock-ml{left:10px}.room.board-full .wb-bar.dock-mr{right:10px}.room.board-full .wb-bar.dragging{opacity:.9;transition:none}.room.board-full .dock-ml .pen,.room.board-full .dock-mr .pen{flex-direction:column;padding:4px 0}.room.board-full .dock-ml .bg-wrap,.room.board-full .dock-mr .bg-wrap{margin-left:0}.room.board-full .dock-ml .bg-pop{inset:0 auto auto calc(100% + 8px)}.room.board-full .dock-mr .bg-pop{inset:0 calc(100% + 8px) auto auto}.room.board-full .dock-ml .wb-page,.room.board-full .dock-mr .wb-page{text-align:center}.room.board-full .wb-bar .icon-btn{white-space:nowrap}.room.board-full .dock-ml .wb-hz,.room.board-full .dock-mr .wb-hz,.room.board-full .wb-long,.wb-short{display:none}.room.board-full .wb-short{display:inline}.bar-grip,.bar-orb,.bar-fold{display:none}.room.board-full .bar-grip,.room.board-full .bar-fold{width:34px;height:40px;color:var(--muted);cursor:grab;touch-action:none;background:0 0;border:0;place-items:center;padding:0;font-size:1.2rem;display:grid}.room.board-full .bar-fold{cursor:pointer;touch-action:auto}.room.board-full .wb-bar.closed{background:var(--blue);border-color:var(--blue);border-radius:50%;justify-content:center;align-items:center;gap:0;width:54px;height:54px;max-height:none;padding:0}.room.board-full .wb-bar.closed>*{display:none}.room.board-full .wb-bar.closed>.bar-orb{color:#fff;cursor:grab;touch-action:none;background:0 0;border:0;border-radius:50%;place-items:center;width:54px;height:54px;padding:0;font-size:1.2rem;font-weight:800;line-height:1;display:grid}.bar-orb span{margin-left:2px;font-size:.7rem}.room.board-full .wb-bar.closed.dock-ml,.room.board-full .wb-bar.closed.dock-mr{padding:0}.room.board-full .hide-full{display:none}.wb-exit{z-index:30;border:1px solid var(--line);width:44px;height:44px;color:var(--navy);cursor:pointer;background:#fffffff2;border-radius:999px;font-size:1.1rem;font-weight:800;position:absolute;top:10px;right:10px;box-shadow:0 8px 24px -8px #172b4d66}.wb-exit:active{background:var(--info-bg)}.wb .selected-shape-actions,.wb .excalidraw .zoom-actions,.wb .zoom-actions{display:none!important}.pen{align-items:center;gap:6px;padding:0 4px;display:flex}.pen-dot{width:26px;height:26px;box-shadow:0 0 0 1.5px var(--line);cursor:pointer;border:2px solid #fff;border-radius:50%;padding:0}.pen-dot.on{box-shadow:0 0 0 3px var(--blue)}.pen-w{border:2px solid var(--line);background:var(--surface);cursor:pointer;border-radius:10px;place-items:center;width:34px;height:30px;padding:0;display:grid}.pen-w span{background:var(--navy);border-radius:99px;width:18px;display:block}.pen-w.on{border-color:var(--blue);background:var(--info-bg)}.wb .layer-ui__wrapper__top-right,.wb .main-menu-trigger,.wb .App-menu_top__left>.Stack>.dropdown-menu,.wb .dropdown-menu-button{display:none!important}.wb-tools{z-index:15;background:var(--surface);box-shadow:0 0 0 1px var(--line),0 4px 14px -4px #172b4d40;border-radius:12px;gap:2px;padding:4px;display:flex;position:absolute;top:12px;left:12px}.wb-tool{width:38px;height:38px;color:var(--navy);cursor:pointer;background:0 0;border:0;border-radius:9px;place-items:center;padding:0;display:grid}.wb-tool:hover,.wb-tool:active{background:var(--info-bg);color:var(--link)}.wb-confirm{z-index:40;background:var(--surface);border:2px solid var(--err);border-radius:14px;flex-direction:column;gap:8px;width:min(360px,100% - 24px);padding:14px;font-size:.92rem;display:flex;position:absolute;top:70px;left:50%;transform:translate(-50%);box-shadow:0 20px 50px -10px #172b4d73}.bg-wrap{margin-left:auto;position:relative}.bg-dot{width:16px;height:16px;box-shadow:0 0 0 1.5px var(--line);vertical-align:-3px;border-radius:50%;margin-right:6px;display:inline-block}.bg-pop{background:var(--surface);border:1px solid var(--line);z-index:30;border-radius:14px;gap:8px;padding:10px;display:flex;position:absolute;bottom:calc(100% + 8px);right:0;box-shadow:0 14px 34px -10px #172b4d66}.bg-sw{width:34px;height:34px;box-shadow:0 0 0 1.5px var(--line);cursor:pointer;border:2px solid #fff;border-radius:50%;padding:0}.bg-sw.on{box-shadow:0 0 0 3px var(--blue)}.wb .App-bottom-bar [title=Edit],.wb .App-bottom-bar [aria-label=Edit]{display:none!important}.wb-canvas{background:var(--line)}.wb .excalidraw,.wb .excalidraw .excalidraw-container{background:0 0!important}.wb-sheets{pointer-events:none;position:absolute;inset:0;overflow:hidden}.wb-sheets-inner{transform-origin:0 0;will-change:transform;position:absolute;top:0;left:0}.wb-sheet{position:absolute;left:0;box-shadow:0 0 0 1px #172b4d2e,0 6px 22px #172b4d1f}.wb-toast{z-index:35;background:var(--navy);color:#fff;border-radius:12px;max-width:min(520px,100% - 24px);padding:10px 16px;font-size:.88rem;font-weight:600;position:absolute;bottom:12px;left:50%;transform:translate(-50%);box-shadow:0 12px 30px -8px #172b4d80}.bg-pop{flex-direction:column;gap:6px;min-width:240px;padding:12px}.bg-title{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-top:2px;font-size:.72rem;font-weight:800}.bg-kinds{gap:8px;display:flex}.bg-kind{border:2px solid var(--line);background:var(--surface);color:var(--navy);cursor:pointer;border-radius:12px;flex-direction:column;flex:1;align-items:center;gap:6px;padding:8px 6px;font:700 .76rem Plus Jakarta Sans,sans-serif;display:flex}.bg-kind.on{border-color:var(--blue);background:var(--info-bg)}.bg-kind-prev{border-radius:4px;width:44px;height:52px;display:block;box-shadow:0 0 0 1px #172b4d33}.bg-colors{gap:8px;display:flex}.chips{flex-wrap:wrap;gap:8px;margin:18px 0 4px;display:flex}.chip{border:1px solid var(--line);background:var(--surface);color:var(--navy);cursor:pointer;border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:700}.chip.on{background:var(--blue);border-color:var(--blue);color:#fff}.lessons{gap:14px;margin-top:18px;display:grid}.lesson-head{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.lesson h3{margin:2px 0 4px}.badge.warn{background:var(--warn-bg);color:var(--warn)}.homework{background:var(--info-bg);white-space:pre-wrap;border-radius:10px;margin:10px 0 0;padding:10px 12px;font-size:.92rem}.lesson-actions{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.end-modal{z-index:200;background:#172b4d80;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.end-card{background:var(--surface);border-radius:18px;flex-direction:column;gap:12px;width:100%;max-width:460px;max-height:calc(100% - 24px);padding:22px;display:flex;overflow:auto;box-shadow:0 30px 70px -20px #172b4d99}.end-card h3{margin:0}.end-card .form{flex-direction:column;gap:12px;display:flex}.end-card label{flex-direction:column;gap:4px;font-size:.85rem;font-weight:700;display:flex}.end-card input,.end-card select,.end-card textarea{font:inherit;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-weight:400}.booking.cancelled{opacity:.65}.confirm-inline{border:1px solid var(--line);background:var(--warn-bg2);border-radius:12px;margin-top:12px;padding:12px}.week{gap:10px;margin:16px 0;display:grid}.week-day{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.week-day>b{min-width:92px}.slot-chip{background:var(--info-bg);border:1px solid var(--line);border-radius:999px;align-items:center;gap:6px;padding:5px 6px 5px 12px;font-size:.9rem;font-weight:700;display:inline-flex}.slot-chip button{background:var(--surface);cursor:pointer;width:24px;height:24px;color:var(--navy);border:0;border-radius:50%;font-size:1rem;line-height:1}.add-slot{flex-direction:column;align-items:flex-start;gap:12px;margin-top:16px;display:flex}.add-slot .row{flex-wrap:wrap;gap:12px;display:flex}.form label{flex-direction:column;gap:4px;font-size:.85rem;font-weight:700;display:flex}.book-form{flex-direction:column;gap:12px;margin:18px 0 8px;display:flex}.slot-row{flex-wrap:wrap;gap:8px;margin-top:6px;display:flex}.slot-day{margin-top:6px}.book-form select,.book-form textarea,.add-slot select,.add-slot input{font:inherit;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:10px 12px;font-weight:400}.legal-page{background:var(--bg,var(--surface-2));min-height:100vh}.legal-top{background:var(--surface);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.legal{max-width:760px;padding-top:24px;padding-bottom:48px;line-height:1.65}.legal h2{margin:26px 0 8px;font-size:1.15rem}.legal ul{padding-left:20px}.legal li{margin:6px 0}mark.todo{background:var(--warn-bg);color:var(--warn);border-radius:5px;padding:1px 5px;font-weight:600}.legal-links,.legal-foot{text-align:center;color:var(--muted);padding:18px 0;font-size:.85rem}.legal-links a,.legal-foot a{color:var(--muted)}.add-slot .btn{width:auto}.consent-gate{flex-direction:column;gap:12px;max-width:560px;display:flex}.auth-card ul.small{margin:8px 0;padding-left:18px}.auth-page{flex-direction:column;gap:6px}.auth-page .auth-card{margin:0}.ptr{top:calc(env(safe-area-inset-top) + 8px);z-index:300;pointer-events:none;justify-content:center;display:flex;position:fixed;left:0;right:0}.ptr-dot{background:var(--surface);border:1px solid var(--line);width:40px;height:40px;color:var(--link);border-radius:50%;place-items:center;font-size:1.3rem;font-weight:800;display:grid;box-shadow:0 6px 18px -4px #172b4d66}.ptr-dot.spin{animation:.8s linear infinite ptrspin}@keyframes ptrspin{to{transform:rotate(360deg)}}.teachers{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:18px;display:grid}.tcard{display:block}.teacher-head{align-items:center;gap:14px;display:flex}.teacher-head h3{margin:0 0 6px}.teacher-subjects{flex-wrap:wrap;gap:6px;display:flex}.teacher-subjects .badge{margin-bottom:0}.teacher-bio{white-space:pre-wrap;margin:12px 0 0}.avatar{object-fit:cover;background:var(--info-bg);border-radius:50%;flex:none}.avatar.initials{background:var(--blue);color:#fff;place-items:center;font-weight:800;display:inline-grid}.teacher-hero{flex-wrap:wrap;align-items:center;gap:18px;margin-bottom:6px;display:flex}.teacher-hero h1{margin:0 0 8px}.teacher-about{white-space:pre-wrap;max-width:68ch;line-height:1.6}.next-slots{margin:6px 0 16px;padding-left:20px}.avatar-edit{flex-wrap:wrap;align-items:center;gap:16px;margin:6px 0 12px;display:flex}.nav-badge{background:var(--orange);min-width:20px;color:var(--navy);text-align:center;border-radius:999px;margin-left:6px;padding:1px 6px;font-size:.72rem;font-weight:800;display:inline-block}.docs{border:1px solid var(--line);border-radius:12px;margin:14px 0;padding:12px 14px}.docs legend{padding:0 6px;font-weight:800}.doc-list{gap:8px;margin:10px 0;padding:0;list-style:none;display:grid}.doc-list li{background:var(--info-bg);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;display:flex}.doc-add{flex-wrap:wrap;gap:8px;margin:10px 0;display:flex}.doc-add select,.doc-add input[type=text],.doc-add input:not([type]){font:inherit;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 10px}.doc-add input:not([type]){flex:1;min-width:180px}.admin-docs{margin:8px 0}.auth-card.wide{max-width:780px;padding:36px 40px}.auth-card.wide h1{margin-bottom:4px;font-size:1.9rem}.form.reg{flex-direction:column;gap:18px;display:flex}.form-grid{grid-template-columns:1fr 1fr;gap:18px 20px;display:grid}.field{flex-direction:column;gap:6px;min-width:0;display:flex}.field>label{color:var(--navy);margin:0;font-size:.85rem;font-weight:700}.field input,.form.reg .field input{box-sizing:border-box;width:100%;height:50px;color:var(--navy);background:var(--surface);border:1.5px solid var(--field-line);border-radius:14px;padding:0 16px;font:500 1rem Plus Jakarta Sans,sans-serif;transition:border-color .15s,box-shadow .15s}.field input:hover{border-color:var(--field-line-h)}.field input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px #175cd324}.field .hint{color:var(--muted);font-size:.78rem}.form.reg .roles{margin-bottom:2px}.form.reg .role{border-radius:16px;padding:14px 12px}.form.reg .btn-accent{border-radius:14px;height:52px;font-size:1.02rem}@media (width<=640px){.auth-card.wide{padding:24px 18px}.form-grid{grid-template-columns:1fr}}.auth-page:has(.auth-card.wide){justify-content:flex-start;padding-top:36px}.field>label .muted{font-weight:500;display:inline}.auth-page .legal-links{margin-top:8px}.dp{position:relative}.dp-field{width:100%;height:50px;color:var(--muted);background:var(--surface);border:1.5px solid var(--field-line);cursor:pointer;text-align:left;border-radius:14px;justify-content:space-between;align-items:center;gap:10px;padding:0 16px;font:500 1rem Plus Jakarta Sans,sans-serif;transition:border-color .15s,box-shadow .15s;display:flex}.dp-field.has{color:var(--navy)}.dp-field:hover{border-color:var(--field-line-h)}.dp-field:focus-visible,.dp-field[aria-expanded=true]{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px #175cd324}.dp-field svg{color:var(--link);flex:none}.dp-required{opacity:0;pointer-events:none;border:0;width:1px;height:1px;padding:0;position:absolute;bottom:0;left:0}.dp-pop{z-index:80;background:var(--surface);border:1px solid var(--line);border-radius:18px;width:min(100%,380px);min-width:300px;padding:14px;position:absolute;top:calc(100% + 8px);left:0;box-shadow:0 24px 48px -16px #172b4d59}.dp-head{grid-template-columns:40px 1fr 92px 40px;align-items:center;gap:6px;margin-bottom:10px;display:grid}.dp-head select{width:100%;height:40px;color:var(--navy);background:var(--surface);border:1.5px solid var(--field-line);border-radius:10px;padding:0 10px;font:600 .95rem Plus Jakarta Sans,sans-serif}.dp-nav{border:1.5px solid var(--field-line);background:var(--surface);width:40px;height:40px;color:var(--navy);cursor:pointer;border-radius:10px;font-size:1.3rem;font-weight:800;line-height:1}.dp-nav:disabled{opacity:.35;cursor:default}.dp-grid{grid-template-columns:repeat(7,1fr);gap:4px;display:grid}.dp-dow span{text-align:center;color:var(--muted);padding:4px 0;font-size:.75rem;font-weight:800}.dp-day{aspect-ratio:1;color:var(--navy);cursor:pointer;background:0 0;border:0;border-radius:12px;font:600 .95rem Plus Jakarta Sans,sans-serif}.dp-day:hover:not(:disabled){background:var(--info-bg)}.dp-day.on{background:var(--blue);color:#fff}.dp-day:disabled{color:var(--line);cursor:default}.dp-foot{justify-content:space-between;align-items:center;gap:8px;margin-top:10px;display:flex}@media (width<=640px){.dp-pop{width:auto;min-width:0;max-width:none;position:fixed;inset:auto 12px 12px;box-shadow:0 -10px 50px #172b4d66}}.field>label{display:block}.form.reg label.check{flex-direction:row;align-items:flex-start;gap:12px;margin:0;font-size:.9rem;font-weight:500;line-height:1.5;display:flex}.form.reg label.check input{margin-top:2px}.subj-section{border:1px solid var(--line);background:linear-gradient(180deg,var(--surface-2),var(--surface-2));border-radius:20px;margin:6px 0;padding:22px}.subj-section h2{margin:0 0 4px;font-size:1.15rem}.subj-section>.muted{margin:0 0 16px}.subj-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.subj{border:1.5px solid var(--line);background:var(--surface);cursor:pointer;text-align:center;-webkit-tap-highlight-color:transparent;border-radius:18px;flex-direction:column;align-items:center;gap:10px;margin:0;padding:20px 8px 14px;transition:transform .15s,border-color .15s,box-shadow .2s,background .2s;display:flex;position:relative}.subj:hover{border-color:#b9c7e3;transform:translateY(-2px);box-shadow:0 12px 24px -14px #172b4d66}.subj input{opacity:0;cursor:pointer;width:100%;height:100%;margin:0;position:absolute;inset:0}.subj:has(input:focus-visible){outline-offset:2px;outline:3px solid #175cd359}.subj-icon{width:52px;height:52px;color:var(--tint);background:var(--tint-bg);border-radius:16px;place-items:center;transition:transform .2s,background .2s,color .2s;display:grid}.subj-name{color:var(--navy);font-size:.92rem;font-weight:700;line-height:1.25}.subj-check{background:var(--tint);color:#fff;opacity:0;border-radius:50%;place-items:center;width:22px;height:22px;transition:transform .2s cubic-bezier(.3,1.6,.5,1),opacity .15s;display:grid;position:absolute;top:9px;right:9px;transform:scale(0)}.subj.on{border-color:var(--tint);background:linear-gradient(180deg,#fff,var(--tint-bg));box-shadow:0 14px 28px -16px var(--tint)}.subj.on .subj-icon{background:var(--tint);color:#fff;transform:scale(1.05)}.subj.on .subj-check{opacity:1;transform:scale(1)}.subj-other{background:var(--surface);border:1.5px dashed #e0b34f;border-radius:16px;flex-direction:column;gap:6px;margin-top:16px;padding:14px 16px;display:flex}.subj-other label{margin:0;font-size:.85rem;font-weight:700}.subj-other input{border:1.5px solid var(--field-line);border-radius:12px;height:48px;padding:0 14px;font:500 1rem Plus Jakarta Sans,sans-serif}.subj-other input:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 4px #175cd324}.subj-other .hint{color:var(--muted);font-size:.78rem}.subj-count{color:var(--link);margin:14px 0 0;font-size:.85rem;font-weight:700}.req{color:#d92d20;font-weight:800}@media (width<=760px){.subj-grid{grid-template-columns:repeat(2,1fr)}.subj-section{padding:16px}}@media (width>=761px) and (width<=900px){.subj-grid{grid-template-columns:repeat(3,1fr)}}.legal-links p{margin:4px 0}.company-line{color:var(--muted);font-size:.75rem;line-height:1.5}.legal-nav{flex-wrap:wrap;justify-content:center;gap:6px 16px;display:flex}.price-table,.data-table{border-collapse:collapse;width:100%;margin:14px 0}.price-table th,.price-table td,.data-table th,.data-table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:12px 14px}.price-table th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.8rem}.data-table th{width:34%;color:var(--muted);font-weight:700}.btn-cta,.btn-wa{border-radius:12px;padding:13px 22px;font-weight:800;text-decoration:none;display:inline-block}.btn-cta{background:var(--blue);color:#fff}.btn-wa{color:#0b3d1d;background:#25d366}.wa-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:90;color:#fff;background:#25d366;border-radius:50%;place-items:center;width:54px;height:54px;text-decoration:none;display:grid;position:fixed;box-shadow:0 10px 26px -6px #00000059}.wa-fab:hover{transform:translateY(-2px)}.chat{grid-template-columns:300px 1fr;gap:16px;min-height:480px;margin-top:18px;display:grid}.chat-list{flex-direction:column;gap:6px;max-height:70vh;display:flex;overflow:auto}.conv{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;font:inherit;border-radius:14px;flex-direction:column;gap:2px;padding:12px 14px;display:flex}.conv.on{border-color:var(--blue);background:var(--info-bg)}.conv-name{justify-content:space-between;align-items:center;gap:8px;font-weight:800;display:flex}.conv-last{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.chat-main{border:1px solid var(--line);background:var(--surface);border-radius:18px;flex-direction:column;min-width:0;display:flex;overflow:hidden}.chat-empty{margin:auto;padding:24px}.thread{flex-direction:column;height:70vh;min-height:420px;display:flex}.thread-head{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:12px 16px;display:flex}.thread-back{font-size:1.6rem;line-height:1;text-decoration:none;display:none}.thread-body{background:var(--surface-2);flex-direction:column;flex:1;gap:8px;padding:16px;display:flex;overflow:auto}.center-text{text-align:center;margin:auto}.bubble{background:var(--surface);border:1px solid var(--line);border-radius:16px 16px 16px 4px;align-self:flex-start;max-width:78%;padding:8px 12px}.bubble.mine{background:var(--blue);border-color:var(--blue);color:#fff;border-radius:16px 16px 4px;align-self:flex-end}.bubble p{white-space:pre-wrap;word-break:break-word;margin:0}.bubble-time{opacity:.7;text-align:right;margin-top:2px;font-size:.68rem;display:block}.msg-img{cursor:pointer;background:0 0;border:0;margin-top:4px;padding:0;display:block}.msg-img img{border-radius:12px;max-width:240px;max-height:240px;display:block}.msg-file{color:inherit;font:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:10px;margin-top:4px;padding:8px 12px;font-weight:700}.composer{border-top:1px solid var(--line);background:var(--surface);padding:10px 12px}.composer-row{align-items:flex-end;gap:8px;display:flex}.composer textarea{resize:none;font:inherit;border:1.5px solid var(--line);border-radius:12px;flex:1;min-height:44px;max-height:140px;padding:10px 12px}.composer .attach{cursor:pointer;place-items:center;width:44px;height:44px;padding:0;font-size:1.2rem;display:grid}.composer-file{justify-content:space-between;gap:8px;padding:0 4px 8px;font-size:.85rem;display:flex}.hw-form{flex-direction:column;gap:12px;max-width:640px;margin:18px 0;display:flex}.hw-form textarea,.hw-form select,.hw-form input:not([type=file]){font:inherit;border:1.5px solid var(--line);background:var(--surface);box-sizing:border-box;border-radius:10px;width:100%;padding:10px 12px}.hw-review{flex-direction:column;gap:8px;margin-top:12px;display:flex}.hw-review textarea{font:inherit;border:1.5px solid var(--line);box-sizing:border-box;border-radius:10px;width:100%;padding:10px 12px}@media (width<=760px){.chat{grid-template-columns:1fr}.chat.has-thread .chat-list,.chat:not(.has-thread) .chat-main{display:none}.thread-back{display:block}.thread{height:72vh}}.conv-wrap{border-radius:14px;position:relative;overflow:hidden}.conv-wrap .conv{z-index:1;box-sizing:border-box;width:100%;position:relative}.conv-action{z-index:0;align-items:stretch;display:flex;position:absolute;top:0;bottom:0}.conv-action.left{left:0}.conv-action.right{right:0}.conv-action button{color:#fff;cursor:pointer;border:0;width:96px;font:800 .85rem Plus Jakarta Sans,sans-serif}.conv-action.left button{background:#175cd3}.conv-action.right button{color:#172b4d;background:#ff8a34}.conv-tools{gap:4px;display:none;position:absolute;top:8px;right:8px}.conv-tools button{cursor:pointer;opacity:.55;background:0 0;border:0;border-radius:6px;padding:2px 4px;font-size:.9rem}.conv-tools button:hover{opacity:1;background:#175cd31f}@media (hover:hover) and (width>=761px){.conv:hover .conv-tools,.conv:focus-within .conv-tools{display:flex}}.conv.pinned{border-left:4px solid #ff8a34}.pin-mark{margin-right:4px;font-size:.8rem}.bubble{position:relative}.bubble.selected{outline:2px solid #ff8a34}.bubble-actions{border-top:1px solid #ffffff59;flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;padding-top:8px;font-size:.85rem;display:flex}.bubble:not(.mine) .bubble-actions{border-top-color:var(--line)}.msg-ref{color:var(--link);cursor:pointer;vertical-align:baseline;background:0 0;border:1px solid;border-radius:999px;margin:0 2px;padding:2px 10px;font:700 .88rem Plus Jakarta Sans,sans-serif;display:inline-block}.bubble.mine .msg-ref{color:#fff;background:#ffffff2e}.refmenu{background:var(--surface,#fff);border:1px solid var(--line);z-index:5;border-radius:14px;max-height:46vh;padding:12px;position:absolute;bottom:calc(100% + 6px);left:12px;right:12px;overflow:auto;box-shadow:0 18px 40px -14px #172b4d73}.refmenu-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.refmenu-group{flex-direction:column;gap:4px;margin-bottom:8px;display:flex}.refmenu-group>b{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.78rem}.refmenu-group button{text-align:left;border:1px solid var(--line);background:var(--surface,#fff);cursor:pointer;color:inherit;border-radius:10px;padding:9px 12px;font:600 .92rem Plus Jakarta Sans,sans-serif}.refmenu-group button:hover{border-color:var(--blue);background:var(--info-bg)}.composer{position:relative}body.thread-open .wa-fab{display:none}@media (width<=760px){.chat.has-thread .chat-main{left:0;right:0;top:var(--vvt,0px);height:var(--vvh,100dvh);z-index:120;border:0;border-radius:0;position:fixed}.chat.has-thread .thread{height:100%;min-height:0}.chat.has-thread~*,body.thread-open footer{display:none}body.thread-open{overflow:hidden}.thread-head{padding-top:calc(12px + env(safe-area-inset-top))}.composer{padding-bottom:calc(10px + env(safe-area-inset-bottom))}}.msg-btn{border-radius:50%;place-items:center;width:46px;height:46px;text-decoration:none;transition:transform .15s;display:inline-grid;position:relative}.msg-btn:hover{transform:scale(1.06)}.msg-btn svg{filter:drop-shadow(0 3px 6px #175cd347);display:block}.msg-badge{color:#fff;text-align:center;min-width:22px;height:22px;box-shadow:0 0 0 2px var(--surface,#fff);background:#e5484d;border-radius:999px;padding:0 6px;font:800 .74rem/22px Plus Jakarta Sans,sans-serif;position:absolute;top:-4px;right:-6px}.menu-btn,.menu-signout{display:none}@media (width<=1100px){.topbar{position:sticky;top:0}.topbar .bar{flex-wrap:nowrap;gap:8px;position:relative}.who-name,.who-signout,.reload{display:none!important}.who{align-items:center;gap:8px;margin-left:auto;display:flex}.menu-btn{justify-content:center;align-items:center;width:44px;height:44px;padding:0;display:inline-flex}.links{background:var(--surface,#fff);border-bottom:1px solid var(--line);z-index:60;flex-direction:column;order:0;gap:2px;width:auto;margin:0;padding:10px 14px 14px;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 18px 30px -18px #172b4d66}.links.open{display:flex}.links a{padding:13px 12px;font-size:1rem}.menu-signout{border:0;border-top:1px solid var(--line);color:#c0362c;text-align:left;cursor:pointer;background:0 0;margin-top:6px;padding:13px 12px;font:700 1rem Plus Jakarta Sans,sans-serif;display:block}}.composer textarea{font-size:1rem;line-height:1.3}.card.focus{outline-offset:2px;outline:3px solid #ff8a34;animation:1.6s ease-out focusflash}@keyframes focusflash{0%{box-shadow:0 0 0 12px #ff8a3459}to{box-shadow:0 0 #ff8a3400}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0e1626;--surface:#162238;--surface-2:#1b2a44;--card:#162238;--navy:#e6ecf7;--muted:#9faec8;--line:#2b3b5a;--info-bg:#1f3358;--link:#8cbbff;--field-line:#3a4b6d;--field-line-h:#51648c;--ok-bg:#12332a;--ok:#5ad19a;--err-bg:#3b1b1b;--err:#ff9a90;--warn-bg:#3a2a14;--warn:#ffb066;--warn-bg2:#33261a}:root[data-theme=dark] .wb,:root[data-theme=dark] .wb-sheets{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f7f9fc;--surface:#fff;--surface-2:#f4f7fc;--card:#fff;--navy:#172b4d;--muted:#52607a;--line:#dce3f0;--info-bg:#e8f0ff;--link:#175cd3;--field-line:#d6dbe6;--field-line-h:#b9c2d4}:root[data-theme=dark] body{background:var(--bg);color:var(--navy)}:root[data-theme=dark] .conv.on{color:#0b1b34;background:#dce8ff;border-color:#8cbbff}:root[data-theme=dark] .conv.on .muted,:root[data-theme=dark] .conv.on .conv-name{color:#0b1b34}:root[data-theme=dark] .bubble:not(.mine){background:var(--surface-2)}:root[data-theme=dark] .bubble.mine{background:#2457c9;border-color:#2457c9}:root[data-theme=dark] .btn-ghost{color:var(--link);border-color:var(--link)}:root[data-theme=dark] img.avatar:not(.initials){background:var(--surface-2)}:root[data-theme=dark] .dp-day:disabled{color:#4b5d80}:root[data-theme=dark] .msg-btn svg{filter:drop-shadow(0 2px 6px #00000080)}.settings-card{max-width:720px;margin:16px 0}.settings-card h2{margin:0 0 8px;font-size:1.15rem}.theme-options{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.install-steps{margin:12px 0 0;padding-left:20px;line-height:1.7}.ok-text{color:var(--ok);font-weight:700}@media (width<=560px){.theme-options{grid-template-columns:1fr}}:root[data-theme=dark] .topbar{background:#0e1626eb}:root[data-theme=dark] .wb-exit,:root[data-theme=dark] .room.board-full .wb-bar{background:#162238f0}:root[data-theme=dark] .auth-page{background:radial-gradient(800px 360px at 85% 0%,#175cd347,transparent 60%),radial-gradient(600px 300px at 0% 100%,#ff8a341f,transparent 60%),var(--bg)}