@font-face{font-family:Nunito Cards;src:url(../../../assets/fonts/Nunito_700Bold.ttf) format("truetype");font-weight:700;font-display:swap}@font-face{font-family:Nunito Cards;src:url(../../../assets/fonts/Nunito_800ExtraBold.ttf) format("truetype");font-weight:800;font-display:swap}@font-face{font-family:Noto Sans CJK Cards;src:url(../../../fonts/NotoSansCJKjp-Medium.otf) format("opentype");font-weight:500;font-display:swap}:root{font-family:Nunito Cards,Noto Sans CJK Cards,Nunito,ui-rounded,system-ui,sans-serif;color:#0d1427;background:#edf5f5;font-synthesis:none;text-rendering:geometricPrecision;--background: #edf5f5;--surface: #ffffff;--ink: #0d1427;--muted: #697282;--heading: #5e6f6f;--header-line: #c6cbd2;--mint: #2ae7be;--blue: #2f6bff;--pink: #ff4d8d;--shadow: 0 14px 24px rgb(0 0 0 / 8%);--scroll-fade-bottom: 72px;--screen-header-height: 58px}*{box-sizing:border-box}html,body{margin:0;height:100%;min-height:100%;background:var(--background)}button,input,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}button:disabled{cursor:default}.app-shell{position:relative;display:grid;grid-template-rows:minmax(0,1fr);width:100%;height:100svh;min-height:100svh;overflow:hidden;background:var(--background)}.app-shell.storage-warning-visible{grid-template-rows:auto minmax(0,1fr)}.browser-storage-warning{grid-row:1;margin:8px 14px 4px;border:1px solid rgb(223 82 30 / 32%);border-radius:8px;padding:8px 10px;color:#7a3414;background:#fff8ed;font-size:12px;font-weight:800;line-height:1.25;box-shadow:0 8px 16px #0d14270f}.tab-layer{position:relative;grid-row:1;height:100%;min-height:0;animation:page-in .18s ease-out both;scale:1;transform-origin:center;transition:filter .26s cubic-bezier(.18,.9,.22,1),scale .26s cubic-bezier(.18,.9,.22,1)}.app-shell.storage-warning-visible .tab-layer{grid-row:2}.bottom-nav,.nav-fade{scale:1;transition:filter .26s cubic-bezier(.18,.9,.22,1),scale .26s cubic-bezier(.18,.9,.22,1)}.app-shell.card-editor-open .tab-layer,.app-shell.card-editor-open .nav-fade,.app-shell.card-editor-open .bottom-nav{filter:blur(4px);scale:.86}.app-shell.card-editor-open .nav-fade{transform-origin:bottom center}.screen-with-header{padding-top:var(--screen-header-height)}.screen-header{position:absolute;inset:0 0 auto;z-index:10;height:var(--screen-header-height);background:var(--background)}.header-row{display:flex;align-items:center;gap:8px;height:calc(var(--screen-header-height) - 1px);padding:6px 24px 0}.header-row h1{margin:0;overflow:hidden;color:var(--heading);font-size:34px;font-weight:800;line-height:1;white-space:nowrap;text-overflow:ellipsis}.header-line{width:100%;height:1px;background:var(--header-line);opacity:0;transition:opacity .14s ease}.screen-header.line-visible .header-line{opacity:1}.scroll-page{height:calc(100% - var(--screen-header-height));overflow-y:auto;padding:0 18px 96px;-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - var(--scroll-fade-bottom)),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - var(--scroll-fade-bottom)),transparent);scrollbar-width:none}.scroll-page::-webkit-scrollbar{display:none}.decks-page{padding-top:0}.profile-page{padding-top:8px}.no-pinned{height:100%;padding-top:28px}.icon-button{display:inline-grid;width:42px;height:42px;flex:0 0 auto;place-items:center;border:0;border-radius:999px;color:var(--ink);background:var(--surface);box-shadow:var(--shadow);font-size:30px;font-weight:800;line-height:1}.icon-button.blue{color:var(--blue);background:transparent;box-shadow:none}.icon-button.pink{color:var(--pink);background:transparent;box-shadow:none}.profile-button{position:relative;display:grid;width:46px;height:46px;margin-left:auto;place-items:center;border:4px solid var(--surface);border-radius:999px;padding:0;color:#fff;background:linear-gradient(135deg,var(--mint),var(--blue));box-shadow:var(--shadow);font-size:18px;font-weight:800;overflow:hidden}.profile-button img,.avatar img{width:100%;height:100%;object-fit:cover}.profile-button img{position:absolute;top:0;right:0;bottom:0;left:0;display:block;border-radius:inherit}.header-edit-button{flex:0 0 auto;min-width:54px;height:34px;margin-left:auto;border:0;border-radius:999px;padding:0 14px;color:#fff;background:var(--blue);box-shadow:var(--shadow);font-size:15px;font-weight:800;line-height:1}.surface-list{display:grid;gap:4px}.surface-button{display:block;width:100%;padding:0;border:0;background:transparent;text-align:left}.surface-button.disabled-row{opacity:.42}.rive-shell{position:relative;height:170px;overflow:visible;border-radius:25px;background:transparent}.rive-shell.rive-deck.shared-underlay{height:180px}.rive-shell.rive-group{width:100%;height:195px}.rive-shell.rive-flashcard,.rive-shell.rive-groupFlashcard{width:100%;border-radius:0;background:transparent;box-shadow:none;touch-action:manipulation}.rive-shell.rive-flashcard{height:78px}.rive-shell.rive-groupFlashcard{height:116px}.rive-shell.compact{height:132px}.rive-shell.rive-deck.compact.shared-underlay{height:142px}.rive-shell canvas,.rive-shell .fallback{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.rive-shell.rive-deck.shared-underlay canvas,.rive-shell.rive-deck.shared-underlay .fallback{top:0;right:0;bottom:10px;left:0;height:auto}.shared-group-underlay{position:absolute;right:0;bottom:0;left:0;z-index:0;height:10px;pointer-events:none}.shared-group-underlay span{position:absolute;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--color-one) 0%,var(--color-two) 100%)}.shared-group-underlay span:first-child{top:1px;right:7%;left:7%}.shared-group-underlay span:last-child{right:8.9522%;bottom:0;left:8.9522%}.rive-shell canvas.hidden{opacity:0}.fallback{display:flex;align-items:center;justify-content:space-between;padding:22px;overflow:hidden;border-radius:25px;color:#fff;background:linear-gradient(110deg,var(--color-one),var(--color-two));box-shadow:var(--shadow)}.fallback.with-rive{background:linear-gradient(90deg,#0000003d,#0000000a);-webkit-backdrop-filter:saturate(1.05);backdrop-filter:saturate(1.05)}.surface-glow{position:absolute;inset:auto 16px 12px;height:42px;border-radius:999px;background:#ffffff2e;filter:blur(16px)}.deck-copy,.group-copy{position:relative;z-index:1;display:grid;gap:5px;min-width:0}.eyebrow{margin:0;color:currentColor;font-size:12px;font-weight:800;opacity:.78;text-transform:uppercase}.deck-copy strong,.group-copy strong{overflow-wrap:anywhere;font-size:28px;font-weight:800;line-height:1.02}.deck-copy span:last-child,.group-copy span:last-child{font-size:15px;opacity:.82}.mastery{position:relative;z-index:1;display:grid;width:66px;place-items:center;color:#fff}.mastery svg{grid-area:1 / 1;width:66px;height:66px;transform:rotate(-90deg)}.mastery circle{fill:none;stroke:#ffffff47;stroke-width:6}.mastery .meter{stroke:#fff;stroke-linecap:round}.mastery b{grid-area:1 / 1;font-size:15px}.avatars{position:relative;z-index:1;display:flex;margin-left:16px}.avatar{display:grid;width:64px;height:64px;margin-left:-12px;place-items:center;overflow:hidden;border:4px solid rgb(255 255 255 / 78%);border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--mint),var(--blue));font-size:18px}.detail-hero{position:relative;z-index:2;margin-bottom:0}.deck-action-row{min-height:64px}.deck-action-row.pending{pointer-events:none}.card-list{display:grid;gap:10px}.deck-card-row,.empty-card,.completion-card,.queue-list article,.suggestion-card,.editor-card,.member-card{border:0;border-radius:24px;background:var(--surface);box-shadow:var(--shadow)}.deck-card-row{position:relative;min-height:76px;overflow:visible;background:transparent;box-shadow:none}.deck-card-row:before{content:"";position:absolute;top:4px;right:0;bottom:0;left:0;border-radius:25px;background:#c6c6c6}.deck-card-face{position:relative;z-index:1;display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:16px;margin-bottom:4px;overflow:hidden;border:1.5px solid #c6c6c6;border-radius:25px;padding:13px 20px;background:#fff}.deck-card-copy{display:grid;min-width:0;gap:6px;font-weight:800;line-height:20px}.deck-card-row strong{overflow:hidden;color:#222;font-size:20px;white-space:nowrap;text-overflow:ellipsis}.deck-card-row span{overflow:hidden;font-size:20px;white-space:nowrap;text-overflow:ellipsis}.deck-card-badge{width:48px;height:60px;flex:0 0 48px}.deck-card-row span,.muted,.queue-list em{color:var(--muted);font-style:normal}.editor-card{display:flex;align-items:center;gap:12px;padding:14px}.compact-editor{min-height:68px;margin-bottom:10px;border:1.5px solid #fe9301}.card-editor{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 34px 34px}.card-edit-page{display:grid;gap:12px}.card-edit-form{display:grid;grid-template-columns:1fr}.group-editor{margin-bottom:12px}.editor-card input,.profile-sheet input{width:100%;min-width:0;height:42px;border:1px solid #d5d5d5;border-radius:21px;padding:0 14px;color:var(--ink);background:#fff;outline:none}.editor-card input:focus,.profile-sheet input:focus{border-color:var(--blue)}.editor-card button{display:grid;width:34px;height:34px;flex:0 0 34px;place-items:center;border:0;border-radius:999px;color:#fff;background:var(--pink);font-size:22px;font-weight:800}.editor-card button:last-child{background:var(--mint)}.editor-card button:disabled,.primary:disabled{opacity:.45}.study-screen{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%;min-height:0;padding-top:6px;overflow:hidden}.study-topbar{display:flex;align-items:center;gap:10px;min-width:0;padding:0 24px}.study-topbar .profile-button{flex:0 0 46px;margin-left:0}.study-home{display:flex;min-height:0;flex-direction:column;gap:8px;padding:10px 0 96px;overflow:hidden}.study-dashboard{display:grid;gap:18px;width:100%;border-radius:30px;padding:24px;background:radial-gradient(circle at 18% 15%,rgb(42 231 190 / 24%),transparent 34%),radial-gradient(circle at 92% 18%,rgb(255 77 141 / 19%),transparent 30%),linear-gradient(135deg,#fff,#eef8ff);box-shadow:var(--shadow)}.dashboard-title{display:grid;gap:2px}.dashboard-title span{color:var(--pink);font-size:15px;font-weight:900;text-transform:uppercase}.dashboard-title strong{color:var(--ink);font-size:30px;line-height:1.05}.dashboard-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.dashboard-stat{display:grid;min-width:0;gap:2px;align-content:start;min-height:114px;border-radius:22px;padding:14px 10px;background:#ffffffc7}.dashboard-stat span{color:var(--blue);font-size:clamp(28px,8vw,38px);font-weight:900;line-height:.95}.dashboard-stat.streak span{color:var(--pink)}.dashboard-stat b{color:var(--ink);font-size:12px;line-height:1.1}.dashboard-stat em{color:var(--muted);font-size:11px;font-style:normal;line-height:1.15}.journey-stat-strip{display:grid;flex:1 1 auto;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;min-width:0}.journey-stat{display:flex;min-width:0;align-items:center;justify-content:center;gap:4px;padding:0;color:var(--blue)}.stat-icon{width:23px;min-width:23px;height:23px;color:currentColor;overflow:visible}.stat-icon path:not(.stat-icon-line,.stat-icon-outline,.stat-icon-check),.stat-icon circle{fill:currentColor}.stat-icon-line,.stat-icon-outline,.stat-icon-check{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.stat-icon-outline{stroke-width:1.6}.stat-icon-check{stroke:#fff;stroke-width:1.9}.stat-icon-cutout{fill:var(--background);opacity:.82}.journey-stat:nth-child(1){color:var(--pink)}.journey-stat:nth-child(3){color:#b97225}.journey-stat:nth-child(4){color:var(--mint)}.journey-stat b{overflow:hidden;max-width:100%;color:currentColor;font-size:18px;line-height:1;white-space:nowrap;text-overflow:ellipsis}.journey-stat em{display:none;overflow:hidden;max-width:100%;color:var(--muted);font-size:9px;font-style:normal;font-weight:900;line-height:1;white-space:nowrap;text-overflow:ellipsis}.journey-stage{display:grid;flex:1 1 auto;gap:10px;align-content:start;min-height:0;padding:6px 0 18px;background:transparent;overflow:hidden}.journey-stage-header{display:grid;gap:2px;padding:0 24px}.journey-stage-header span,.journey-empty span,.journey-selected-panel span{color:var(--pink);font-size:12px;font-weight:900;text-transform:uppercase}.journey-stage-header strong{overflow:hidden;color:var(--ink);font-size:27px;line-height:1.05;white-space:nowrap;text-overflow:ellipsis}.journey-review-alert{justify-self:start;margin:0 24px;border:2px solid rgb(255 77 141 / 20%);border-radius:18px;padding:9px 12px;color:var(--ink);background:#ff4d8d17;font-size:12px;font-weight:900}.journey-review-alert b{margin-right:4px}.journey-track-shell{position:relative;height:278px;min-height:0;overflow:hidden}.journey-track-shell:before{content:"";position:absolute;z-index:0;top:136px;left:-16px;right:-16px;height:14px;border:2px solid rgb(47 107 255 / 20%);border-radius:999px;background:#78e9ff;box-shadow:0 12px #2f6bff1f,0 0 22px #78e9ff75;opacity:.86;transform:skewY(-5deg) rotateX(20deg);animation:journey-line-drift 6.8s ease-in-out infinite}.journey-track{--journey-slot: clamp(118px, 34vw, 184px);--journey-slot-half: clamp(59px, 17vw, 92px);position:relative;display:flex;align-items:center;gap:clamp(34px,8vw,66px);height:278px;min-height:0;padding:50px calc(50% - var(--journey-slot-half)) 62px;overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;scroll-padding-inline:calc(50% - var(--journey-slot-half));scroll-snap-type:x mandatory;scrollbar-width:none;perspective:820px;transform-style:preserve-3d;animation:journey-breathe 8.4s ease-in-out infinite;touch-action:pan-x;cursor:grab;-webkit-user-select:none;user-select:none}.journey-track:active{cursor:grabbing}.journey-track::-webkit-scrollbar{display:none}.journey-track-aura{position:absolute;z-index:0;top:70px;left:0;right:0;height:148px;pointer-events:none;background:radial-gradient(circle at 50% 46%,rgb(120 233 255 / 18%),transparent 34%),radial-gradient(circle at 25% 60%,rgb(255 77 141 / 8%),transparent 25%),radial-gradient(circle at 78% 34%,rgb(42 231 190 / 10%),transparent 28%);filter:blur(1px)}.journey-track-line{display:none}.journey-space{position:relative;z-index:1;display:grid;flex:0 0 var(--journey-slot);width:var(--journey-slot);height:172px;place-items:center;border:0;padding:0;color:var(--ink);background:transparent;cursor:inherit;scroll-snap-align:center;scroll-snap-stop:always;transform:translateY(calc(var(--node-y) + var(--node-depth) * .13px)) rotateX(20deg) rotate(-5deg);transform-style:preserve-3d;transition:transform .26s cubic-bezier(.18,.9,.22,1),opacity .18s ease}.journey-space:focus{outline:none}.journey-space:focus-visible .journey-space-platform{outline:3px solid rgb(47 107 255 / 54%);outline-offset:8px}.journey-space:before,.journey-space:after{content:"";position:absolute;pointer-events:none}.journey-space:before{width:98px;height:98px;border:2px solid rgb(120 233 255 / 44%);border-radius:999px;opacity:.52;transform:translateY(18px) rotate(28deg) scaleX(1.28);animation:journey-halo-spin 12s linear infinite}.journey-space:after{width:13px;height:13px;margin:-86px 0 0 76px;border-radius:999px;background:#8cf5ff;box-shadow:-92px 58px 0 -3px #ff4d8dbd,-44px -8px 0 -4px #2ae7beb3;opacity:.72;animation:journey-spark 5.8s ease-in-out infinite}.journey-space-shadow{position:absolute;z-index:0;width:102px;height:26px;border-radius:999px;background:#12172a21;filter:blur(8px);transform:translateY(58px) rotate(4deg) scaleX(1.22)}.journey-space-platform{position:relative;z-index:1;display:grid;width:112px;height:78px;place-items:center;border:3px solid rgb(13 20 39 / 10%);border-radius:48% 52% 46% 54%/57% 51% 49% 43%;background:#fff7cf;box-shadow:inset 0 -11px #e4a1517a,0 10px #cb8746,0 20px 22px #12172a24,0 0 22px #78e9ff3d;transform:rotate(5deg);animation:journey-platform-float 5.6s ease-in-out infinite}.journey-space-platform:before,.journey-space-platform:after{content:"";position:absolute;pointer-events:none}.journey-space-platform:before{top:13px;right:21px;bottom:13px;left:21px;border:2px solid rgb(47 107 255 / 28%);border-radius:52% 48% 55% 45%/48% 56% 44% 52%}.journey-space-platform:after{width:44px;height:5px;border-radius:999px;background:#2f6bff40;transform:translateY(20px)}.journey-space-rune{position:relative;z-index:1;display:grid;width:34px;height:34px;place-items:center;border-radius:999px;color:#2f6bff;background:#ffffff9e;font-size:22px;font-weight:900;line-height:1;text-transform:uppercase}.journey-space.selected{transform:translateY(calc(var(--node-y) - 12px + var(--node-depth) * .13px)) rotateX(20deg) rotate(-5deg) scale(1.08);z-index:3}.journey-space.selected:before{border-color:#2f6bff94;opacity:.78}.journey-space.selected .journey-space-platform{background:#dffcff;box-shadow:inset 0 -11px #3ccee175,0 12px #42abc4,0 24px 28px #12172a2e,0 0 34px #78e9ff85}.journey-space.locked{opacity:.48}.journey-space.status-current .journey-space-platform,.journey-space.status-available .journey-space-platform{background:#dffcff;box-shadow:inset 0 -11px #3ccee175,0 10px #42abc4,0 20px 22px #12172a24,0 0 28px #78e9ff57}.journey-space.status-complete .journey-space-platform,.journey-space.status-mastery-locked .journey-space-platform{background:#dcffd7;box-shadow:inset 0 -11px #4bbe5f6b,0 10px #47a55f,0 20px 22px #12172a24,0 0 24px #2ae7be3d}.journey-space.status-needs-review .journey-space-platform,.journey-space.status-remedy-required .journey-space-platform{background:#ffe5f0;box-shadow:inset 0 -11px #ff4d8d61,0 10px #d65f86,0 20px 22px #12172a24,0 0 26px #ff4d8d40}.journey-space-index{position:absolute;z-index:2;top:28px;right:28px;display:grid;width:26px;height:26px;place-items:center;border:2px solid rgb(255 255 255 / 72%);border-radius:999px;color:#fff;background:var(--blue);box-shadow:0 4px #12172a1f;font-size:11px;font-weight:900}.journey-selected-panel{display:grid;gap:5px;margin:-4px 24px 0;padding:0;background:transparent;box-shadow:none}.journey-selected-panel h2{overflow:hidden;margin:2px 0 5px;color:var(--ink);font-size:23px;line-height:1.08;white-space:nowrap;text-overflow:ellipsis}.journey-selected-panel p{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;margin:0;color:var(--muted);font-size:13px;font-weight:800;line-height:1.25}.journey-empty{display:grid;flex:1 1 auto;align-content:start;gap:8px;min-height:0;padding:24px;background:transparent;box-shadow:none}.journey-empty h2{margin:0;color:var(--ink);font-size:25px;line-height:1.05}.journey-empty p{margin:0;color:var(--muted);font-weight:800}.queue-secondary-title{margin-top:4px}.section-title,.section-row h3{margin:0;font-size:24px;font-weight:800}.queue-list{display:grid;gap:10px}.queue-list button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;border:0;border-radius:20px;padding:16px;color:var(--ink);background:#fff;box-shadow:var(--shadow);text-align:left}.queue-list button:disabled{opacity:.45}.queue-list button.recommended{border:2px solid rgb(47 107 255 / 18%);background:linear-gradient(135deg,#fff,#f3fbff)}.queue-list button span{display:grid;gap:3px;min-width:0}.queue-list button b,.queue-list button em{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.queue-list button em{color:var(--muted);font-style:normal}.queue-tag{display:grid;flex:0 1 124px;min-width:84px;border-radius:16px;padding:8px 10px;color:var(--blue);background:#2f6bff1a;font-size:12px;line-height:1.1}.queue-tag small{overflow:hidden;color:var(--muted);font-size:10px;font-weight:800;white-space:nowrap;text-overflow:ellipsis}.queue-list i{display:grid;flex:0 0 34px;width:34px;height:34px;place-items:center;border-radius:999px;color:var(--blue);background:#2f6bff1c;font-style:normal}.journey-decks-entry{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;border:0;border-radius:24px;padding:18px;color:var(--ink);background:linear-gradient(135deg,#fffffff5,#effff9f5),#fff;box-shadow:var(--shadow);text-align:left}.journey-decks-entry span{display:grid;min-width:0;gap:3px}.journey-decks-entry b{overflow:hidden;font-size:20px;line-height:1.1;white-space:nowrap;text-overflow:ellipsis}.journey-decks-entry em{overflow:hidden;color:var(--muted);font-style:normal;font-weight:800;white-space:nowrap;text-overflow:ellipsis}.journey-decks-entry strong{display:grid;flex:0 0 58px;height:58px;place-items:center;border-radius:999px;color:var(--mint);background:#2acf001c;font-size:18px;font-weight:900}.completion-card{display:grid;gap:16px;padding:20px}.completion-card h2,.inline-title h2,.session-title h2{margin:0;font-size:26px;line-height:1.05}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metrics span{display:grid;gap:2px;justify-items:center;border-radius:16px;padding:12px 6px;color:var(--muted);background:#2f6bff17;font-size:12px}.metrics b{color:var(--blue);font-size:24px}.row-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.row-actions button,.profile-sheet button:not(.icon-button),.primary,.danger-button{height:46px;border:0;border-radius:16px;padding:0 16px;color:#fff;background:var(--blue);font-weight:800}.row-actions button:first-child{color:var(--ink);background:var(--background)}.danger-button{background:var(--pink)}.full{width:100%;margin-top:12px}.empty-card{padding:18px;color:var(--muted)}.study-picker-sheet{position:absolute;z-index:30;top:0;right:0;bottom:0;left:0;background:var(--background);box-shadow:0 -22px 48px #0f172a2e}.picker-page{height:100%;overflow-y:auto;padding:28px 18px max(28px,env(safe-area-inset-bottom));-webkit-mask-image:linear-gradient(to bottom,#000 calc(100% - var(--scroll-fade-bottom)),transparent);mask-image:linear-gradient(to bottom,#000 calc(100% - var(--scroll-fade-bottom)),transparent)}.inline-title,.session-top,.section-row,.sheet-top{display:flex;align-items:center;gap:12px}.inline-title{justify-content:space-between;margin-bottom:18px}.inline-title h2{font-size:32px}.study-session{display:grid;height:100%;min-height:0;grid-template-rows:auto auto 1fr auto;gap:18px;padding:28px 24px 184px}.session-title{display:grid;gap:4px;min-width:0}.session-title h2{overflow:hidden;font-size:25px;white-space:nowrap;text-overflow:ellipsis}.study-progress{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%}.study-progress p{margin:0;color:#7f7f7f;font-size:12px;font-weight:800;line-height:30px;white-space:nowrap}.progress-bar{position:relative;flex:1 1 auto;height:21px;min-width:0}.progress-bar-base,.progress-bar-surface,.progress-bar-fill,.progress-fill-shadow,.progress-fill-surface{position:absolute;left:0;height:20px;border-radius:23px}.progress-bar-base{top:0;width:100%;border:1px solid #b7b7b7;background:#b7b7b7}.progress-bar-surface{top:1px;width:100%;border:1px solid #b7b7b7;background:#e5e5e5}.progress-bar-fill{top:0;min-width:0;overflow:hidden;transition:width .22s ease}.progress-fill-shadow,.progress-fill-surface{width:100%}.progress-fill-shadow{top:1px;background:#88561b}.progress-fill-surface{top:0;overflow:hidden;border:1px solid #88561b;background:#e4a151}.progress-fill-sheen{position:absolute;top:-4px;left:17px;width:8px;height:28px;background:#fff;transform:rotate(14deg);transform-origin:center}.study-session-card-button{display:grid;width:100%;padding:0;border:0;background:transparent;color:inherit;text-align:left;touch-action:none}.study-session-card-stack{position:relative;align-self:center;justify-self:center;display:grid;width:100%;height:440px}.study-session-card-stack>.study-session-card-button,.study-session-card-underlay{grid-area:1 / 1;width:100%;height:440px}.study-session-card-stack>.study-session-card-button{position:relative;z-index:1}.study-session-card-underlay{pointer-events:none}.flashcard{align-self:center;justify-self:center;display:grid;width:calc(100% - 6px);min-height:440px;gap:10px;align-content:start;border:3px solid transparent;border-radius:30px;padding:28px;color:var(--ink);background:#fff;box-shadow:var(--shadow);text-align:left;touch-action:none;transform:translate(var(--drag)) rotate(var(--rotation));transition:transform .18s cubic-bezier(.2,.8,.2,1),border-color .16s ease}.flashcard.left-swipe{border-color:#2ae7beb8}.flashcard.right-swipe{border-color:#ff4d8db8}.flashcard.revealed{border-color:#2f6bff29}.card-question{font-size:32px;font-weight:800;overflow-wrap:anywhere}.card-label{color:var(--muted);font-size:13px;text-transform:uppercase}.answer-block{display:grid;min-height:160px;align-content:start;gap:12px;padding-top:24px}.divider{height:1px;background:#6972822e}.card-answer{font-size:25px;overflow-wrap:anywhere}.history-dots{display:flex;gap:5px;margin-top:auto}.history-dots span{width:8px;height:8px;border-radius:999px;background:var(--pink)}.history-dots .correct{background:var(--mint)}.grade-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grade-actions button{height:50px;border:0;border-radius:18px;color:#fff;background:var(--pink);font-weight:800}.grade-actions button:last-child{background:var(--mint)}.swipe-row,.shared-row{position:relative}.row-tools{position:absolute;inset:22px 18px 22px auto;display:flex;gap:8px}.row-tools button{width:56px;border:0;border-radius:18px;color:#fff;background:var(--blue);font-size:12px}.row-tools button:last-child,.remove-dot{background:var(--pink)}.swipe-row>.surface-button{position:relative;z-index:1}.groups-page{display:grid;align-content:start;gap:18px}.section-row{justify-content:space-between;padding:0 4px}.section-actions{display:flex;align-items:center;gap:4px}.group-detail-actions{display:flex;justify-content:flex-end;padding:0 4px}.member-grid{--member-circle-gray: rgb(198 198 198);display:flex;flex-wrap:wrap;justify-content:center;gap:14px}.member-card{display:grid;width:90px;height:94px;justify-items:center;align-items:start;padding:0;border:0;min-width:0;color:var(--ink);background:transparent;box-shadow:none;font:inherit}.member-circle{position:relative;display:grid;width:90px;height:94px;place-items:center}.member-circle:before,.member-circle:after{position:absolute;width:90px;height:90px;border-radius:999px;content:""}.member-circle:before{top:0;z-index:0;background:#fff;box-shadow:0 4px 0 var(--member-circle-gray)}.member-circle:after{top:0;z-index:2;background:radial-gradient(circle,transparent 0 40px,white 40px 42px,var(--member-circle-gray) 42px 45px)}.member-card .avatar{position:absolute;top:5px;left:5px;z-index:1;display:grid;width:80px;height:80px;place-items:center;overflow:hidden;border:0;border-radius:999px;color:#fff;background:linear-gradient(135deg,var(--mint),var(--blue))}.member-add{cursor:pointer}.member-add:focus-visible .member-circle:after{outline:3px solid var(--blue);outline-offset:3px}.member-add-icon{position:absolute;top:25px;left:25px;z-index:1;width:39px;height:40px;color:var(--member-circle-gray);font-size:30px;font-weight:900;line-height:40px;text-align:center}.member-leave .member-add-icon{color:var(--pink)}.share-picker{display:grid;gap:10px}.selectable.selected .rive-shell,.rive-shell.selectable.selected{outline:4px solid var(--mint);outline-offset:-4px}.shared-row .remove-dot{position:absolute;z-index:2;top:10px;right:14px;width:44px;height:44px;border:0;border-radius:999px;color:#fff;font-size:26px}.nav-fade{position:absolute;z-index:18;inset:auto 0 0;height:120px;pointer-events:none;background:linear-gradient(180deg,rgb(237 245 245 / 0),var(--background))}.bottom-nav{position:absolute;z-index:20;left:50%;bottom:max(28px,env(safe-area-inset-bottom));display:grid;width:min(385px,calc(100% - 24px));height:120px;grid-template-columns:repeat(3,1fr);align-items:center;padding:0;border-radius:0;background:transparent;box-shadow:none;transform:translate(-50%)}.bottom-nav canvas{position:absolute;left:50%;bottom:0;display:block;width:431px;max-width:calc(100% * 1.12);height:134px;cursor:pointer;transform:translate(-50%)}.bottom-nav canvas.hidden{opacity:0;pointer-events:none}.bottom-nav:not(.rive-loaded){height:92px;padding:10px;border-radius:30px;background:#fff;box-shadow:0 18px 42px #0f172a2e}.bottom-nav .pill{position:absolute;z-index:0;left:calc(10px + (100% - 20px) / 3 * var(--active-index));width:calc((100% - 20px) / 3);height:60px;border-radius:22px;background:linear-gradient(135deg,var(--mint),var(--blue));transition:left .26s cubic-bezier(.2,.8,.2,1),width .26s cubic-bezier(.2,.8,.2,1)}.bottom-nav button{position:relative;z-index:1;display:grid;gap:2px;justify-items:center;border:0;color:#0d142794;background:transparent;font-size:12px;font-weight:800}.bottom-nav button.active{color:#07101f}.nav-icon{display:grid;width:28px;height:28px;place-items:center;font-size:22px}.add-button{position:absolute!important;left:50%;top:-22px;width:52px;height:52px;border-radius:18px!important;color:#fff!important;background:var(--pink)!important;box-shadow:var(--shadow);font-size:34px!important;transform:translate(-50%);opacity:.35}.add-button.enabled{opacity:1}.modal-backdrop{position:fixed;z-index:40;top:0;right:0;bottom:0;left:0;display:grid;align-items:end;background:#0d142738}.profile-sheet-host{display:block}.profile-sheet{display:grid;gap:14px;width:min(520px,100%);margin:0 auto;border-radius:28px 28px 0 0;padding:22px;background:#fff;box-shadow:0 -18px 42px #0f172a29}.profile-sheet.profile-sheet-page{width:min(560px,100%);border-radius:18px;box-shadow:var(--shadow)}.profile-section{display:grid;gap:10px;border-top:1px solid rgb(13 20 39 / 8%);padding-top:14px}.profile-info-row{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;font-weight:800}.profile-info-row strong{color:var(--ink);text-align:right}.profile-sheet button:disabled{opacity:.45}.card-editor-backdrop{position:absolute;z-index:42;top:0;right:0;bottom:0;left:0;display:grid;align-items:center;justify-items:center;padding:24px 0;background:transparent;pointer-events:auto;overflow-y:auto;animation:editor-backdrop-in .18s ease-out both}.card-editor-modal{width:min(362px,calc(100% - 36px));border:0;padding:0;background:transparent;filter:drop-shadow(0 34px 82px rgb(16 39 74 / 50%)) drop-shadow(0 8px 24px rgb(16 39 74 / 35%));animation:editor-sheet-in .26s cubic-bezier(.18,.9,.22,1) both}.native-edit-card{position:relative;padding-bottom:5px}.native-edit-card:before{content:"";position:absolute;top:4.75px;right:0;bottom:0;left:0;border-radius:31px;background:#c6c6c6}.native-edit-face{position:relative;display:grid;gap:15px;border:2px solid #c6c6c6;border-radius:25px;padding:20px 20px 14px;background:#fff}.native-edit-field{display:grid}.review-history-block>span{display:flex;height:30px;align-items:center;color:#77807f;font-size:20px;font-weight:700;line-height:1}.native-edit-field textarea{width:100%;min-height:48px;overflow:hidden;resize:none;border:2px solid #c6c6c6;border-radius:10px;padding:10px 12px;color:#0d1427;background:#fff;font-size:20px;font-weight:700;line-height:28px;outline:none}.native-edit-field textarea::placeholder{color:#aeb6b5;opacity:1}.native-edit-field textarea:focus{border-color:#18bbd1}.draft-card-stack,.draft-card-fields{display:grid;gap:10px}.native-edit-field.compact textarea{height:42px;min-height:42px;white-space:nowrap}.add-draft-card-button{display:grid;width:46px;height:46px;place-items:center;justify-self:center;border:2px solid #c6c6c6;border-radius:23px;color:#18bbd1;background:#fff;box-shadow:0 4px #c6c6c6;touch-action:manipulation}.add-draft-card-button:disabled{color:#aeb6b5;opacity:.55}.add-draft-card-button svg{width:24px;height:24px;fill:none;stroke:currentcolor;stroke-width:2.75;stroke-linecap:round}.split-warning-face{gap:18px}.split-warning-face p{margin:0;color:#0d1427;font-size:20px;font-weight:700;line-height:1.35}.invite-link-modal{width:min(362px,calc(100% - 36px))}.invite-link-modal .native-edit-card,.invite-link-face{box-sizing:border-box;width:100%}.invite-link-face{gap:16px}.invite-link-input-row{display:grid;grid-template-columns:minmax(0,1fr) 48px;align-items:center;overflow:hidden;border:2px solid #c6c6c6;border-radius:10px;background:#fff}.invite-link-input-row input{min-width:0;height:48px;border:0;padding:0 12px;color:#0d1427;background:transparent;font:inherit;font-size:17px;font-weight:800;outline:none}.invite-link-input-row button{display:grid;width:48px;height:48px;place-items:center;border:0;border-left:2px solid #c6c6c6;color:#18bbd1;background:#f7fbfb}.invite-link-input-row button:disabled{opacity:.45}.invite-link-input-row svg{width:22px;height:22px}.invite-link-save{display:flex;justify-content:center;padding-top:2px}.rive-card-mode-switch{position:relative;display:block;width:100%;height:42px;border:0;padding:0;color:#0d1427;background:transparent;touch-action:manipulation}.rive-card-mode-switch canvas,.rive-card-edit-buttons canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.rive-card-mode-switch canvas{left:-4px;width:calc(100% + 4px)}.rive-card-mode-switch canvas.hidden,.rive-card-edit-buttons canvas.hidden{opacity:0}.rive-card-mode-switch span{position:relative;z-index:1;display:inline-grid;width:100%;height:42px;place-items:center start;border-radius:16px;color:#0d1427;font-size:19px;font-weight:700;text-align:left}.native-edit-divider{height:1px;margin-block:3px;background:#c6c6c6}.review-history-block{display:grid;gap:15px}.review-history-segments{display:grid;height:14px;grid-template-columns:repeat(10,minmax(0,1fr));gap:10px}.review-history-segments i{position:relative;height:14px;--face-color: #e5e5e5;--rear-color: #b7b7b7;--face-y: 1px;--rear-y: 0;--stroke-width: .5px;--segment-height: 12px;--segment-radius: 10px}.review-history-segments i:before,.review-history-segments i:after{content:"";position:absolute;box-sizing:border-box;left:0;width:100%;height:var(--segment-height);border-radius:var(--segment-radius)}.review-history-segments i:before{top:var(--rear-y);background:var(--rear-color)}.review-history-segments i:after{top:var(--face-y);border:var(--stroke-width) solid var(--rear-color);background:var(--face-color)}.review-history-segments i.correct{--face-color: #5ed682;--rear-color: #409e5c;--face-y: 0;--rear-y: 1px;--stroke-width: 1px}.review-history-segments i.incorrect{--face-color: #ff8385;--rear-color: #a44d4e;--face-y: 0;--rear-y: 1px;--stroke-width: 1px}.rive-card-edit-buttons{position:relative;height:70px;margin-top:0}.rive-card-edit-buttons.separate{display:flex;align-items:center;justify-content:center;gap:20px}.rive-button-hit-targets,.fallback-edit-buttons{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;grid-template-columns:1fr 1fr}.rive-button-hit-targets button{border:0;padding:0;background:transparent}.rive-button-hit-targets button:disabled{cursor:default}.fallback-edit-buttons{z-index:1;gap:10px}.fallback-edit-buttons button{border:0;border-radius:16px;color:#fff;background:var(--mint);font-weight:800}.fallback-edit-buttons .cancel{color:var(--ink);background:var(--background)}.rive-delete-button{position:relative;width:min(320px,100%);height:80px;margin:12px auto 0;overflow:visible}.rive-delete-button canvas,.rive-delete-button button{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.rive-delete-button canvas.hidden{opacity:0}.rive-delete-button button{border:0;border-radius:18px;color:#fff;background:var(--pink);font-weight:800}.sheet-top{justify-content:space-between}.sheet-top h2{margin:2px 0 0}.profile-sheet label{display:grid;gap:6px;color:var(--muted);font-size:13px}.sheet-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.oauth-actions{display:grid;gap:10px}.profile-sheet .oauth-button{display:flex;align-items:center;justify-content:center;gap:10px;height:52px;border:1px solid rgb(13 20 39 / 12%);border-radius:18px;color:var(--ink);background:#fff}.oauth-button span{display:grid;width:24px;height:24px;place-items:center;border-radius:999px;color:#fff;background:var(--ink);font-size:14px}.error-text,.toast{color:var(--pink)}.toast{position:fixed;z-index:50;left:16px;right:16px;bottom:116px;border-radius:18px;padding:14px 16px;background:#fff;box-shadow:var(--shadow)}@keyframes journey-breathe{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(3px) scale(1.006)}}@keyframes journey-line-drift{0%,to{transform:translateY(0) skewY(-5deg) rotateX(20deg)}50%{transform:translateY(7px) skewY(-5deg) rotateX(20deg)}}@keyframes journey-platform-float{0%,to{transform:translateY(0) rotate(5deg) scale(1)}48%{transform:translateY(-8px) rotate(5deg) scale(1.018,.992)}}@keyframes journey-halo-spin{0%{transform:translateY(18px) rotate(28deg) scaleX(1.28)}to{transform:translateY(18px) rotate(388deg) scaleX(1.28)}}@keyframes journey-spark{0%,to{opacity:.36;transform:translateY(0)}50%{opacity:.82;transform:translateY(-8px)}}@keyframes page-in{0%{opacity:0;transform:translate(10px)}to{opacity:1;transform:translate(0)}}@keyframes editor-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes editor-sheet-in{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.journey-track,.journey-track-shell:before,.journey-space:before,.journey-space:after,.journey-space-platform{animation:none}.journey-track{scroll-behavior:auto}}@media(min-width:720px){body{display:grid;place-items:center}.app-shell{width:min(672px,calc(100vw - 24px));height:min(912px,calc(100svh - 24px));min-height:0}.bottom-nav{width:385px}}@media(max-width:380px){.header-row h1{font-size:30px}.deck-copy strong,.group-copy strong{font-size:24px}.member-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}