.utility-tool:has(.flash-app){max-width:1380px}.utility-workspace:has(.flash-app){padding:0;overflow:hidden;border:1px solid #e5e7ef;background:#f6f7fb;box-shadow:0 30px 80px #1c234017}.flash-app{--ink:#171b2f;--muted:#747b90;--line:#e7e8ef;--accent:#6657d9;display:grid;min-width:0;color:var(--ink)}
.flash-toolbar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px 38px;overflow:hidden;color:#fff;background:radial-gradient(circle at 78% -80%,#c6abff4d,transparent 45%),linear-gradient(120deg,#15162c,#22244c 56%,#3b326a)}.flash-toolbar:after{position:absolute;right:26%;bottom:-82px;width:190px;height:190px;border:1px solid #ffffff14;border-radius:50%;content:""}.flash-toolbar>*{position:relative;z-index:1}.flash-toolbar h2,.flash-library h2{margin:5px 0 6px;font-size:clamp(1.45rem,2.5vw,2rem);letter-spacing:-.035em}.flash-toolbar p{max-width:680px;margin:0;color:#d0d2e3;line-height:1.6}.flash-toolbar .utility-kicker{color:#d9bb7b}.flash-toolbar-actions{display:flex;flex-shrink:0;gap:10px}.flash-toolbar .edu-secondary,.flash-import{display:inline-flex!important;min-height:45px;align-items:center;justify-content:center;gap:9px;padding:11px 17px;border:1px solid #ffffff38;border-radius:12px;color:#fff;background:#ffffff14;font-weight:750;cursor:pointer;backdrop-filter:blur(8px);transition:.2s}.flash-toolbar .edu-secondary:hover,.flash-import:hover{border-color:#ffffff6b;background:#ffffff24;transform:translateY(-1px)}.flash-import input{display:none}
.flash-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;padding:0 22px;border-bottom:1px solid var(--line);background:var(--line)}.flash-stats article{display:flex;min-width:0;align-items:center;gap:13px;margin:0;padding:21px 18px;border:0;border-radius:0;background:#fff}.flash-stats i{display:grid;width:40px;height:40px;flex:0 0 40px;place-items:center;border-radius:12px;color:#6558ce;background:#f0edff}.flash-stats article:nth-child(2) i{color:#238264;background:#eaf8f2}.flash-stats article:nth-child(3) i{color:#b47b24;background:#fff6e5}.flash-stats article:nth-child(4) i{color:#b55866;background:#fff0f2}.flash-stats strong,.flash-stats span{display:block}.flash-stats strong{color:var(--ink);font-size:1.25rem;line-height:1.1}.flash-stats span{margin-top:4px;color:var(--muted);font-size:.75rem}
.flash-layout{display:grid;grid-template-columns:minmax(350px,.85fr) minmax(520px,1.15fr);align-items:start;gap:24px;padding:28px 30px 32px}.flash-builder-panel,.flash-study-panel{min-width:0;padding:26px;border:1px solid var(--line);border-radius:20px;background:#fffffff5;box-shadow:0 14px 38px #1e223c0e}.flash-panel-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.flash-panel-head span{display:block;color:#85899a;font-size:.7rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.flash-panel-head strong{display:block;margin-top:5px;color:var(--ink);font-size:1.12rem}.flash-count{padding:7px 11px!important;border:1px solid #e3dffc;border-radius:999px;color:#6254c8!important;background:#f4f2ff;white-space:nowrap}.flash-deck-fields{display:grid;grid-template-columns:1.15fr .85fr;gap:12px}.flash-builder-panel label{position:relative;margin-bottom:15px;color:#3f455b;font-size:.8rem}.flash-builder-panel input,.flash-builder-panel textarea,.flash-library-tools input,.flash-library-tools select{border-color:#dedfe8;border-radius:12px;background:#fcfcfe}.flash-builder-panel textarea{min-height:108px;padding-bottom:27px!important;line-height:1.55}.flash-builder-panel label small{position:absolute;right:11px;bottom:9px;color:#999dac;font-size:.68rem}.flash-builder-panel input:focus,.flash-builder-panel textarea:focus,.flash-library-tools input:focus{border-color:#786bdd;outline:0;box-shadow:0 0 0 4px #6657d917}.flash-swap{display:flex;align-items:center;gap:7px;margin:-6px auto 9px;padding:7px 11px;border:0;color:#695ec1;background:transparent;font-size:.78rem;font-weight:750;cursor:pointer}.flash-editor-actions{display:flex;gap:10px}.flash-editor-actions .edu-primary{min-height:44px;border-radius:12px;background:linear-gradient(135deg,#6657d9,#4f49ba);box-shadow:0 9px 20px #5549be33}.flash-message{min-height:20px;margin:10px 0 0;color:#72798d;font-size:.8rem}.flash-message.success{color:#15805d}.flash-message.error{color:#b52b43}.flash-icon-button{display:grid;width:42px;height:42px;flex:0 0 42px;place-items:center;border:1px solid #dedfe9;border-radius:12px;color:#6558ce;background:#fff;cursor:pointer;transition:.2s}.flash-icon-button:hover{border-color:#c8c1f4;background:#f5f3ff;transform:rotate(8deg)}
.flash-empty{display:grid;min-height:390px;place-content:center;justify-items:center;color:#808596;text-align:center}.flash-empty[hidden],.flash-study[hidden],.flash-rating[hidden]{display:none!important}.flash-empty i{display:grid;width:78px;height:78px;margin-bottom:17px;place-items:center;border:1px solid #e5e0ff;border-radius:24px;color:#6a5ed0;background:linear-gradient(145deg,#f7f5ff,#eeebff);font-size:29px;box-shadow:0 16px 35px #5546b41a}.flash-empty strong{color:#2a2d41;font-size:1.15rem}.flash-empty span{max-width:300px;margin-top:6px;line-height:1.5}
.flash-study{display:block;width:100%;min-width:0}.flash-progress-row{display:flex;justify-content:space-between;margin-bottom:8px;color:#7a7f91;font-size:.75rem;font-weight:750}.flash-progress{height:5px;margin-bottom:19px;overflow:hidden;border-radius:999px;background:#ececf2}.flash-progress i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#6657d9,#b08ae9);transition:width .25s}.flash-study article#flashCard{display:block!important;width:100%!important;max-width:none!important;min-width:0;min-height:330px;margin:0;padding:0;border:0;border-radius:22px;color:inherit;background:transparent;box-shadow:none;perspective:1200px;cursor:pointer;white-space:normal}.flash-card-inner{position:relative;display:block!important;width:100%!important;min-height:330px;transform-style:preserve-3d;transition:transform .52s cubic-bezier(.2,.76,.25,1)}.flash-study article.revealed .flash-card-inner{transform:rotateY(180deg)}.flash-card-face{position:absolute;inset:0;box-sizing:border-box;display:flex;width:100%!important;min-width:100%;flex-direction:column;align-items:center;justify-content:center;padding:54px 48px;overflow:hidden;border-radius:22px;backface-visibility:hidden;-webkit-backface-visibility:hidden}.flash-card-face:before{position:absolute;top:-85px;right:-55px;width:210px;height:210px;border:1px solid #ffffff1a;border-radius:50%;content:""}.flash-card-front{color:#fff;background:radial-gradient(circle at 8% 0%,#7b6ce3,#5b51c4 31%,transparent 58%),linear-gradient(145deg,#353267,#20233f);box-shadow:0 22px 45px #24224f3d}.flash-card-back{transform:rotateY(180deg);border:1px solid #ded9fa;color:#22253a;background:radial-gradient(circle at 92% 0%,#ede9ff,transparent 40%),linear-gradient(145deg,#fff,#f7f6fc);box-shadow:0 22px 45px #24224f24}.flash-card-face>span{position:absolute;top:20px;left:22px;padding:6px 10px;border:1px solid #ffffff21;border-radius:999px;color:#f4f1ff;background:#ffffff1a;font-size:.66rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.flash-card-back>span{border-color:#ded9f8;color:#6256bd;background:#f0edff}.flash-card-face p{width:100%;max-height:190px;margin:0;overflow:auto;color:inherit;font-size:clamp(1.25rem,2.3vw,1.75rem);font-weight:750;line-height:1.5;overflow-wrap:anywhere;text-align:center;white-space:pre-wrap}.flash-card-face small{position:absolute;bottom:21px;color:#ffffff9e;font-size:.74rem}.flash-card-back small{color:#85899a}
.flash-rating{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.flash-rating button{display:grid;grid-template-columns:auto 1fr;align-items:center;column-gap:10px;padding:12px 14px;border:1px solid #e2e3ea;border-radius:13px;text-align:left;background:#fff;cursor:pointer;transition:.2s}.flash-rating button:hover{border-color:#cbc7df;transform:translateY(-1px);box-shadow:0 8px 18px #1c1f3712}.flash-rating button>i{grid-row:1/3;display:grid;width:35px;height:35px;place-items:center;border-radius:10px}.flash-rating button span{color:#858a9b;font-size:.7rem}.flash-rating button:first-child i{color:#bd4157;background:#fff0f2}.flash-rating button:last-child i{color:#17805d;background:#e7f8f1}.flash-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:9px;margin-top:16px}.flash-navigation button{min-height:44px;padding:10px 14px;border:1px solid #dfe0e8;border-radius:12px;color:#3b4056;background:#fff;font-weight:750;cursor:pointer}.flash-navigation button:last-child{text-align:right}.flash-navigation #flashFlip{min-width:150px;border-color:#5c51c7;color:#fff;background:linear-gradient(135deg,#685bdd,#5248bb);box-shadow:0 9px 20px #5248bb2e}.flash-shortcuts{margin:12px 0 0;color:#969aaa;font-size:.68rem;text-align:center}.flash-shortcuts kbd{display:inline-block;min-width:22px;margin:0 2px;padding:2px 6px;border:1px solid #d9dbe4;border-bottom-width:2px;border-radius:6px;color:#62677a;background:#fff;font:inherit}
.flash-library{padding:32px 30px 36px;border-top:1px solid var(--line);background:#fff}.flash-library-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:21px}.flash-library-tools{display:flex;align-items:center;gap:9px}.flash-library-tools label{position:relative}.flash-library-tools label i{position:absolute;top:50%;left:13px;z-index:1;color:#9296a5;transform:translateY(-50%)}.flash-library-tools input{padding-left:38px}.flash-library-tools select{width:auto}.flash-danger{min-height:43px;padding:10px 14px;border:1px solid #efd8dc;border-radius:11px;color:#a84153;background:#fffafa;font-weight:750;cursor:pointer}.flash-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.flash-library-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:13px;padding:17px;border:1px solid #e5e6ec;border-radius:15px;background:#fcfcfd;transition:.2s}.flash-library-card:hover{border-color:#d4d0ea;box-shadow:0 9px 22px #21233a0f;transform:translateY(-1px)}.flash-library-card.mastered{border-color:#cce8dd;background:#f8fffb}.flash-library-number{display:grid;width:36px;height:36px;place-items:center;border-radius:10px;color:#665bc0;background:#eeebff;font-size:.72rem;font-weight:850}.flash-library-content{min-width:0}.flash-library-content>span{display:inline-block;margin-bottom:5px;padding:3px 7px;border-radius:999px;color:#7168b2;background:#f0eef9;font-size:.62rem;font-weight:850;text-transform:uppercase}.flash-library-content strong,.flash-library-content p,.flash-library-content small{display:block}.flash-library-content strong{overflow:hidden;color:#25283b;text-overflow:ellipsis;white-space:nowrap}.flash-library-content p{display:-webkit-box;margin:4px 0;overflow:hidden;color:#686d7e;font-size:.82rem;-webkit-box-orient:vertical;-webkit-line-clamp:2}.flash-library-content small{color:#979baa;font-size:.68rem}.flash-library-actions{display:flex;gap:4px}.flash-library-actions button{width:32px;height:32px;border:0;border-radius:9px;color:#656a7b;background:#f0f1f5;cursor:pointer}.flash-library-actions button:last-child{color:#b33c52}.flash-no-results{padding:32px;color:#818697;text-align:center}
@media(max-width:1050px){.flash-layout{grid-template-columns:1fr}.flash-study article#flashCard,.flash-card-inner{min-height:360px}.flash-list{grid-template-columns:1fr}}@media(max-width:760px){.flash-toolbar{align-items:flex-start;flex-direction:column;padding:27px 22px}.flash-toolbar-actions{width:100%}.flash-toolbar-actions>*{flex:1}.flash-stats{grid-template-columns:repeat(2,minmax(0,1fr));padding:0}.flash-stats article{padding:16px}.flash-layout,.flash-library{padding:18px 15px 22px}.flash-builder-panel,.flash-study-panel{padding:19px;border-radius:17px}.flash-deck-fields{grid-template-columns:1fr}.flash-library-head{align-items:stretch;flex-direction:column}.flash-library-tools{align-items:stretch;flex-direction:column}.flash-library-tools label{min-width:0}.flash-library-tools select{width:100%}}@media(max-width:520px){.utility-workspace:has(.flash-app){margin-inline:-4px;border-radius:18px}.flash-toolbar-actions{flex-direction:column}.flash-stats i{display:none}.flash-study article#flashCard,.flash-card-inner{min-height:290px}.flash-card-face{padding:50px 24px}.flash-card-face p{font-size:1.2rem}.flash-navigation{grid-template-columns:1fr 1fr}.flash-navigation #flashFlip{grid-row:1;grid-column:1/-1;min-width:0}.flash-shortcuts{display:none}.flash-library-card{grid-template-columns:auto minmax(0,1fr)}.flash-library-actions{grid-column:2}.flash-editor-actions>*{flex:1}}@media(prefers-reduced-motion:reduce){.flash-app *,.flash-app :before,.flash-app :after{transition-duration:.01ms!important}}