:root{color-scheme:dark;--red:#e1262f;--panel:rgba(17,22,28,.93);--muted:#c1c7d0;--line:#596572}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#0b1118;color:#f5f7f9;font-family:Segoe UI,Arial,sans-serif}body{background:radial-gradient(circle at 50% 28%,rgba(255,98,98,.14),transparent 34%),radial-gradient(circle at 50% 55%,rgba(66,118,206,.17),transparent 48%),linear-gradient(rgba(6,9,14,.62),rgba(4,6,10,.84)),url('./assets/bolt-breaker-3d-hero.png') center/cover fixed}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}#app{min-height:100vh;display:flex;flex-direction:column;backdrop-filter:blur(6px)}.topbar{min-height:74px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;padding:10px 18px;background:linear-gradient(#1f2630,#0d1117);border-bottom:2px solid #a5161e;box-shadow:0 8px 24px rgba(0,0,0,.35);z-index:2}.brand-button{border:0;background:transparent;padding:0;display:flex;align-items:baseline;gap:7px;font-size:clamp(18px,2vw,30px);font-weight:900;font-style:italic;justify-self:start}.brand-button span:nth-child(2),.hero-title span:nth-child(2){color:var(--red)}.brand-button b,.hero-title b{font-size:.7em;border:1px solid #aab7c7;padding:2px 6px;background:rgba(255,255,255,.05)}.level{display:flex;align-items:center;gap:12px;min-width:240px;padding:8px 18px;background:#17202a;border:1px solid #4e5a68;clip-path:polygon(8% 0,100% 0,92% 100%,0 100%)}.level>b{display:grid;place-items:center;width:45px;height:45px;background:linear-gradient(145deg,#f13a43,#7a0b10);border:2px solid #ff8791}.level span{display:flex;flex-direction:column}.level small{color:var(--muted)}.actions{justify-self:end;display:flex;gap:8px}.actions button{min-height:42px;border:1px solid #6e7a88;background:#16202a;border-radius:8px;padding:0 13px}.actions button:hover{border-color:#ff646d;background:#1b2734}main{flex:1;display:grid;grid-template-columns:215px minmax(0,1fr) 140px;gap:10px;padding:10px;min-height:0}.panel{background:linear-gradient(rgba(27,34,43,.95),rgba(11,15,20,.94));border:1px solid var(--line);border-radius:12px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.03),0 10px 28px rgba(0,0,0,.28)}.status{padding:17px;display:flex;flex-direction:column;gap:15px}.status em{color:#ff5b63;font-style:normal;font-weight:800;font-size:12px}.status h2{margin:4px 0}.stars,.result-stars{color:#ffc239;letter-spacing:4px;text-shadow:0 0 10px rgba(255,155,0,.6)}.status section{border-top:1px solid #46515c;padding-top:12px;display:flex;flex-direction:column;gap:4px}.status label{color:var(--muted);font-weight:700;font-size:12px}.status section strong{font-size:25px}.progress{height:12px;border:1px solid #667381;border-radius:10px;overflow:hidden;background:#091019}.progress i{display:block;width:0;height:100%;background:linear-gradient(90deg,#a9141c,#ff4a55);transition:.3s}.status p{margin-top:auto;line-height:1.6;color:#d6dbe2}.status p b{color:#ff666d}.stage{position:relative;min-height:510px;border:1px solid #506070;border-radius:14px;overflow:hidden;background:radial-gradient(circle at 50% 30%,#5c7186 0%,#243240 30%,#0f1822 60%,#070b10 100%);box-shadow:inset 0 0 60px rgba(0,0,0,.4),0 10px 24px rgba(0,0,0,.3)}.stage canvas{width:100%;height:100%;display:block;touch-action:none}.stage>#loading,.stage>#toast,.stage>small,.blocked-info{position:absolute;left:50%;transform:translateX(-50%);pointer-events:none}.stage>#loading{top:48%;font-weight:900;letter-spacing:2px}.stage>#toast{top:18px;padding:9px 15px;border:1px solid var(--red);background:rgba(9,12,18,.88);border-radius:8px;opacity:0;transition:.2s}.stage>#toast.show{opacity:1}.stage>small{bottom:16px;background:rgba(11,15,22,.62);padding:7px 12px;border-radius:20px;letter-spacing:2px}.blocked-info{top:58px;color:#ffd9dc;background:rgba(151,16,24,.9);border:1px solid #ff6970;border-radius:8px;padding:7px 12px;font-weight:800}.boosters{padding:8px;display:flex;flex-direction:column;gap:8px}.boosters button{position:relative;flex:1;min-height:96px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:1px solid #586370;border-radius:9px;background:linear-gradient(145deg,#27313c,#10161d)}.boosters button:hover{border-color:#ff666d;background:linear-gradient(145deg,#2d3946,#141d26)}.boosters span{font-size:27px}.boosters b{font-size:9px}.boosters i{position:absolute;right:6px;bottom:6px;display:grid;place-items:center;width:25px;height:25px;border-radius:50%;background:#971018;border:1px solid #ff5961;font-style:normal;font-weight:900}.slot-footer{display:grid;grid-template-columns:220px minmax(0,1fr);align-items:center;gap:12px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(#19202a,#0c1118);border-top:2px solid #7a1117}.slot-title{display:flex;flex-direction:column}.slot-title small{color:var(--muted);font-size:11px}.holding-slots{display:grid;grid-template-columns:repeat(6,minmax(52px,1fr));gap:8px}.holding-slot{height:60px;border:2px dashed #596572;border-radius:10px;background:rgba(255,255,255,.04);display:grid;place-items:center;position:relative;overflow:hidden}.holding-slot.filled{border-style:solid}.holding-slot .slot-bolt{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#101318;box-shadow:inset 0 0 0 5px rgba(255,255,255,.2),0 0 14px currentColor}.holding-slot .slot-bolt::before{content:'+';font-size:24px}.screen-overlay,.modal{position:fixed;inset:0;display:grid;place-items:center;padding:20px;background:rgba(2,5,8,.88);backdrop-filter:blur(12px);z-index:20}.home-card,.modal>div{max-width:850px;width:100%;padding:28px;border:1px solid #596572;border-radius:20px;background:linear-gradient(145deg,#25303c,#10161d);box-shadow:0 30px 90px rgba(0,0,0,.55)}.hero-title{display:flex;justify-content:center;align-items:baseline;gap:8px;font-size:clamp(28px,5vw,54px);font-weight:900;font-style:italic}.home-card>p{text-align:center;color:var(--muted);font-size:18px}.home-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0}.home-summary>div{background:rgba(255,255,255,.05);border:1px solid #4f5a66;border-radius:12px;padding:14px;text-align:center}.home-summary small{display:block;color:var(--muted)}.home-summary strong{font-size:24px}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.level-card{position:relative;text-align:left;min-height:170px;padding:16px;border:1px solid #596572;border-radius:14px;background:linear-gradient(145deg,#26313d,#111820);overflow:hidden}.level-card:hover:not(:disabled){border-color:#ff666d;transform:translateY(-2px)}.level-card.locked{filter:grayscale(.8)}.level-card .level-icon{font-size:38px}.level-card h3{margin:10px 0 3px}.level-card p{margin:0;color:var(--muted);font-size:13px}.level-card .card-stars{position:absolute;bottom:13px;left:16px;color:#ffc239;letter-spacing:3px}.level-card .lock-badge{position:absolute;right:12px;top:12px}.primary-button{background:linear-gradient(#ed3540,#981018)!important;border-color:#ff7379!important;font-weight:900}.home-card>.primary-button{width:100%;margin-top:18px;padding:14px;border:1px solid;border-radius:10px}.modal>div{max-width:440px;text-align:center}.modal>div>span{margin:auto;display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:var(--red);font-size:42px;font-weight:900}.modal p{color:var(--muted)}.result-stars{font-size:32px;margin:18px}.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.result-actions button{padding:13px;border:1px solid #667381;border-radius:9px;background:#19222c}.hidden{display:none!important}.red{color:#ff414a}.blue{color:#4a92ff}.green{color:#6adf56}.gold{color:#ffcc4f}.purple{color:#ca77ff}
@media(max-width:900px){main{grid-template-columns:180px minmax(0,1fr) 115px}.boosters b{font-size:8px}.slot-footer{grid-template-columns:170px 1fr}}
@media(max-width:760px){.topbar{grid-template-columns:1fr auto}.level{display:none}main{grid-template-columns:1fr;padding:6px}.stage{order:1;min-height:54vh}.status{order:2;flex-direction:row;align-items:center;padding:10px;overflow:auto}.status>div,.status>section,.status>p{min-width:125px;margin:0}.boosters{order:3;flex-direction:row}.boosters button{min-height:78px}.slot-footer{grid-template-columns:1fr}.slot-title{text-align:center}.holding-slots{grid-template-columns:repeat(6,1fr)}.level-grid{grid-template-columns:1fr}.level-card{min-height:125px}.screen-overlay{align-items:start;overflow:auto}.home-card{margin-top:18px}}
@media(max-width:560px){.topbar{min-height:60px;padding:7px}.brand-button{font-size:17px}.actions button{min-height:39px;padding:0 9px}.stage{min-height:50vh}.holding-slots{gap:4px}.holding-slot{height:50px}.holding-slot .slot-bolt{width:30px;height:30px}.status section strong{font-size:20px}.home-card{padding:18px}.home-summary{grid-template-columns:1fr 1fr}.result-actions{grid-template-columns:1fr}}

.help-modal{position:fixed;inset:0;z-index:35;display:grid;place-items:center;padding:18px;background:rgba(2,5,8,.9);backdrop-filter:blur(12px)}.help-card{width:min(920px,100%);max-height:92vh;overflow:auto;padding:24px;border:1px solid #687686;border-radius:20px;background:linear-gradient(145deg,#25303c,#10161d);box-shadow:0 30px 90px rgba(0,0,0,.65)}.help-header{position:sticky;top:-24px;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:16px;margin:-24px -24px 18px;padding:20px 24px;background:linear-gradient(180deg,#263240 78%,rgba(38,50,64,.88));border-bottom:1px solid #52606d}.help-header small{color:#ff6870;font-weight:900;letter-spacing:1.5px}.help-header h1{margin:3px 0 0;font-size:clamp(24px,4vw,36px)}.help-close{width:46px;height:46px;border:1px solid #768494;border-radius:50%;background:#17212b;font-size:30px;line-height:1}.help-close:hover{border-color:#ff6970;background:#2a1820}.help-intro{margin-bottom:18px;padding:14px 16px;border-left:4px solid var(--red);border-radius:8px;background:rgba(225,38,47,.1);line-height:1.55}.help-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.help-section{display:flex;gap:13px;align-items:flex-start;padding:15px;border:1px solid #4d5a67;border-radius:13px;background:rgba(255,255,255,.035)}.help-icon{flex:0 0 42px;width:42px;height:42px;display:grid;place-items:center;border:1px solid #6b7886;border-radius:10px;background:#17222d;font-size:23px}.help-section h2,.help-boosters h2{margin:0 0 5px;font-size:17px}.help-section p{margin:0;color:#cbd1d8;line-height:1.48;font-size:14px}.help-boosters{margin-top:16px;padding:16px;border:1px solid #4d5a67;border-radius:13px;background:rgba(255,255,255,.03)}.help-booster-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.help-booster-grid>div,.help-outcomes>div{display:flex;flex-direction:column;gap:3px;padding:11px;border-radius:9px;background:#141d26}.help-booster-grid span,.help-outcomes span{color:#c4cbd3;font-size:13px;line-height:1.4}.help-outcomes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-top:14px}.help-outcomes b{color:#f5f7f9}.help-done{width:100%;margin-top:18px;padding:14px;border:1px solid #ff7379;border-radius:10px}.actions #helpBtn{min-width:42px;font-size:20px;font-weight:900}.actions #helpBtn:hover{background:#7f1118;color:#fff}.help-card::-webkit-scrollbar{width:10px}.help-card::-webkit-scrollbar-thumb{background:#4f5d6b;border-radius:8px}.help-card::-webkit-scrollbar-track{background:#111820}@media(max-width:700px){.help-modal{padding:8px;align-items:stretch}.help-card{max-height:100%;border-radius:14px;padding:16px}.help-header{top:-16px;margin:-16px -16px 14px;padding:14px 16px}.help-grid,.help-booster-grid,.help-outcomes{grid-template-columns:1fr}.help-section{padding:12px}.help-header h1{font-size:24px}}

/* v0.2.2 guided move system */
.move-guide{position:absolute;top:16px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:11px;min-width:min(420px,calc(100% - 34px));max-width:520px;padding:10px 15px;border:1px solid rgba(255,255,255,.38);border-radius:12px;background:rgba(8,14,22,.88);box-shadow:0 8px 24px rgba(0,0,0,.28);pointer-events:none;z-index:4}.move-guide .guide-swatch{width:34px;height:34px;flex:0 0 34px;border-radius:50%;border:3px solid rgba(255,255,255,.85);box-shadow:0 0 18px currentColor;background:currentColor}.move-guide div{min-width:0}.move-guide small{display:block;color:#c9d1da;font-size:10px;font-weight:800;letter-spacing:1.4px}.move-guide strong{display:block;font-size:18px;line-height:1.05}.move-guide p{margin:3px 0 0;color:#eef2f6;font-size:12px;white-space:normal}.slot-title strong{display:block;margin-top:5px;color:#fff;font-size:12px}.holding-slot.next-needed{animation:slotPulse 1s ease-in-out infinite;border-style:solid}.blocked-info{z-index:6}@keyframes slotPulse{0%,100%{box-shadow:0 0 0 rgba(255,255,255,0)}50%{box-shadow:0 0 18px currentColor}}@media(max-width:820px){.move-guide{top:10px;min-width:calc(100% - 20px);padding:8px 11px}.move-guide .guide-swatch{width:28px;height:28px;flex-basis:28px}.move-guide strong{font-size:15px}.move-guide p{font-size:11px}.stage>small{bottom:8px}.slot-title strong{font-size:10px}}