:root{--bg:#07141f;--panel:#0d2232;--panel2:#123047;--line:#1f4a66;--txt:#e6f6ff;--mut:#8fb3c9;--acc:#22d3ee;--acc2:#0891b2;--warn:#fbbf24;--bad:#f87171;--r:14px}
*{box-sizing:border-box}html,body{margin:0;background:radial-gradient(circle at 20% -10%,#0e4a66,transparent 55%),var(--bg);color:var(--txt);font:16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh}
a{color:var(--acc)}.top{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line);background:#06121be6;position:sticky;top:0;z-index:5;backdrop-filter:blur(6px)}
.brand{color:var(--txt);text-decoration:none;font-weight:800;font-size:18px}.top nav{display:flex;gap:12px;align-items:center;font-size:14px}.top nav form{margin:0}.me{color:var(--mut)}
.link{background:none;border:0;color:var(--acc);cursor:pointer;font:inherit;padding:0}
.wrap{max-width:860px;margin:0 auto;padding:16px 12px 60px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}.card h2{margin:0 0 10px;font-size:18px}.card h1{margin:4px 0}
.narrow{max-width:400px;margin:30px auto}.hero{display:block;width:96px;margin:0 auto}.logo{width:26px;height:26px;vertical-align:-6px}.center{text-align:center}.muted{color:var(--mut)}.small{font-size:13px}.mono{font-family:ui-monospace,monospace;letter-spacing:2px}
.stack{display:flex;flex-direction:column;gap:12px}.stack label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--mut)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
input,textarea,select{background:#06121b;border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:10px 12px;font:inherit;width:100%}
.row input{flex:1;min-width:120px;width:auto}input[type=checkbox]{width:auto}.check{flex-direction:row!important;align-items:center;gap:8px!important}
.code-input{text-transform:uppercase;letter-spacing:3px;font-family:ui-monospace,monospace}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;user-select:none}
.btn:hover{border-color:var(--acc)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--acc2);border-color:var(--acc2);color:#03141c}.btn.big{width:100%;padding:14px;font-size:17px}
.btn.sm{padding:6px 10px;font-size:13px}.btn.danger{color:var(--bad)}.btn.warn{background:var(--warn);color:#2a1d00;border-color:var(--warn)}
.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px}.flash.ok{background:#0e3a4a;border:1px solid var(--acc2)}.flash.err{background:#4c1414;border:1px solid var(--bad)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:640px){.grid2{grid-template-columns:1fr}}
.list{margin:0;padding-left:18px}.rules{padding-left:20px;margin:0}.rules li{margin:6px 0}
.pack-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;border-top:1px solid var(--line);flex-wrap:wrap}.pack-row form{margin:0}
.tag{font-size:11px;border:1px solid var(--line);border-radius:99px;padding:1px 8px;color:var(--mut);margin-left:4px}.tag.pub{color:var(--acc);border-color:var(--acc2)}
.import{margin:6px 0 10px;padding:10px;border:1px dashed var(--line);border-radius:10px}
/* lobby */
.codebox{font-size:30px;font-weight:800;letter-spacing:6px;font-family:ui-monospace,monospace}
.players{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.players li{display:flex;align-items:center;justify-content:space-between;background:var(--panel2);padding:8px 12px;border-radius:10px}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#555;margin-right:8px}.dot.on{background:var(--acc)}
.seg{display:flex;background:#06121b;border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}.seg button{flex:1;background:none;border:0;color:var(--mut);padding:8px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer}
.seg button.on{background:var(--acc2);color:#03141c}.seg button:disabled{cursor:default}
.packs{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px}
.pk{display:flex;gap:8px;align-items:flex-start;background:var(--panel2);padding:8px 10px;border-radius:10px;border:1px solid transparent;cursor:pointer;font-size:14px}.pk.on{border-color:var(--acc2)}.pk small{display:block;color:var(--mut)}
.setting{margin:10px 0}.setting>div:first-child{font-size:13px;color:var(--mut);margin-bottom:4px}

.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);background:#4c1414;border:1px solid var(--bad);padding:10px 16px;border-radius:10px;z-index:9}
.codebox{font:800 26px ui-monospace,monospace;letter-spacing:4px;color:var(--acc)}
.tag{font-size:11px;padding:2px 8px;border-radius:99px;background:var(--panel2);margin-left:6px}
/* compact lobby: fits one phone screen */
.lob{display:flex;flex-direction:column;gap:8px;min-height:calc(100dvh - 90px)}
.lob .card{margin:0;padding:10px 12px}.lob .players{flex-direction:row;flex-wrap:wrap;gap:4px}.lob .players li{padding:4px 8px;font-size:14px;gap:4px}
.lob .players .x{background:none;border:0;color:var(--bad);cursor:pointer;font-size:14px;padding:0 0 0 4px}
.sgrid{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px}.sgrid label{font-size:12px;color:var(--mut);display:flex;flex-direction:column;gap:2px}
.sgrid select,.sgrid input{padding:6px 8px;font-size:14px}
.pks{display:flex;flex-wrap:wrap;gap:4px;max-height:96px;overflow:auto}.pk{display:inline-flex;gap:4px;align-items:center;background:var(--panel2);padding:4px 8px;border-radius:99px;border:1px solid transparent;font-size:13px;cursor:pointer}.pk.on{border-color:var(--acc)}.pk input{display:none}.pk small{color:var(--mut)}
.lob .startbar{margin-top:auto;position:sticky;bottom:6px}
/* drawing */
.draw{display:flex;flex-direction:column;gap:6px;max-width:600px;margin:0 auto}
.dhead{display:flex;justify-content:space-between;align-items:center;gap:8px}.prompt{font-weight:800;font-size:18px}.timer{font:800 22px ui-monospace,monospace;color:var(--acc)}.timer.low{color:var(--bad)}
.paper{position:relative;background:#fff;border-radius:6px;overflow:hidden;touch-action:none;box-shadow:0 6px 20px #0008}
.strip{display:block;width:100%;background:#fff;border-bottom:2px dashed #0891b2;opacity:.95}
.stripnote{font-size:11px;color:var(--mut);text-align:center}
#cv{display:block;width:100%;touch-action:none;cursor:crosshair}
.handoff{position:absolute;left:0;right:0;bottom:0;background:repeating-linear-gradient(45deg,#22d3ee22 0 8px,#22d3ee38 8px 16px);border-top:2px dashed #0891b2;pointer-events:none}
.handoff span{position:absolute;right:4px;top:2px;font-size:10px;color:#0e7490;font-weight:700}
.tools{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center}
.tools .btn{padding:6px 10px}.tools .btn.on{border-color:var(--acc);background:#0e3a4a}

.swatches{display:flex;flex-wrap:nowrap;gap:4px;align-items:center;width:100%}
.sw{flex:1 1 0;min-width:0;max-width:34px;aspect-ratio:1;border-radius:50%;border:2px solid #fff3;cursor:pointer}.sw.on{outline:2px solid var(--acc);outline-offset:1px}
.swatches input[type=color]{flex:1.4 1 0;min-width:0;max-width:44px;height:auto;aspect-ratio:1.3;padding:1px;border-radius:8px}
.offline{position:fixed;left:50%;top:8px;transform:translateX(-50%);background:#3b2c05;border:1px solid #fbbf24;color:#fbbf24;padding:8px 14px;border-radius:10px;z-index:10;font-size:14px}
.prog{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}.prog span{font-size:12px;padding:2px 8px;border-radius:99px;background:var(--panel2)}.prog span.done{background:var(--acc2);color:#03141c}
/* reveal */
.falls{display:flex;flex-direction:column;gap:6px}
.fall{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:4px 4px 2px}.fall>div{padding:0 4px;line-height:1.25}
.fall .imgs{max-width:600px;margin:3px auto 2px;display:flex;flex-direction:column;gap:0;background:#fff;border-radius:6px;overflow:hidden}
.fall .fseg{position:relative}.fall .fseg img,.fall .fseg .blank{display:block;width:100%;aspect-ratio:4/3}.fall .fseg .blank{background:#f1f5f9;color:#94a3b8;display:flex;align-items:center;justify-content:center}
.fall .fseg .by{position:absolute;left:6px;top:4px;font-size:11px;background:#0b1d2acc;color:#e6f6ff;padding:1px 6px;border-radius:99px}
@media(max-width:440px){.top .me{display:none}.brand{font-size:16px}.top nav{gap:8px}}
/* tutorial overlay */
body.tut-open{overflow:hidden}
.tut{position:fixed;inset:0;z-index:20;background:#020a10e6;display:flex;align-items:center;justify-content:center;padding:8px}
.tut-box{width:min(520px,100%);height:min(760px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;padding:10px;gap:6px}
.tut-top{display:flex;justify-content:space-between;align-items:center}.tut-x{background:none;border:0;color:var(--txt);font-size:22px;cursor:pointer;padding:2px 8px}
.tut-stage{flex:1;min-height:0;cursor:pointer;background:radial-gradient(circle at 50% 30%,#123047,#07141f);border-radius:10px;overflow:hidden}.tut-stage svg{width:100%;height:100%;display:block}
.tut-cap{min-height:3.2em;text-align:center;font-size:15px;line-height:1.35}
.tut-dots{display:flex;justify-content:center;gap:6px}.tut-dots span{width:8px;height:8px;border-radius:50%;background:var(--line);cursor:pointer}.tut-dots span.on{background:var(--acc)}
.tut-ctl{display:flex;justify-content:space-between;gap:6px}.tut-ctl .btn{flex:1;padding:8px 4px}.tut-hint{text-align:center}
.tut-strip{opacity:.45;transition:opacity .3s}.tut-strip.pulse{animation:tutp 1.1s ease-in-out infinite}@keyframes tutp{50%{opacity:.15}}
@media (prefers-reduced-motion: reduce){.tut-strip.pulse{animation:none}.tut-strip{transition:none}}

.sizes{display:flex;flex-wrap:nowrap;gap:4px;justify-content:space-between;width:100%}
.szb{flex:1 1 0;min-width:0;height:36px;display:flex;align-items:center;justify-content:center;background:var(--panel2);border:1px solid var(--line);border-radius:8px;cursor:pointer;padding:0}
.szb i{display:block;border-radius:50%;background:var(--txt)}.szb.on{border-color:var(--acc);background:#0e3a4a;box-shadow:0 0 0 1px var(--acc)}
.draw{gap:5px}.paper{touch-action:none}.strip{pointer-events:none;user-select:none;-webkit-user-drag:none}