:root{--fc-accent:#6757e8;--fc-ink:#17243a;--fc-muted:#718097;--fc-line:#dce4ef;--fc-soft:#f5f7fb}.flashcard-page{background:#f4f7fb;color:var(--fc-ink)}.flashcard-page .suite-layout{display:block}.flashcard-page .suite-sidebar{display:none}.flash-wrap{max-width:1240px}.flash-hero{padding:40px 30px;background:linear-gradient(120deg,#fff 12%,#f2efff 66%,#e8fbff)}.flash-hero-copy{display:flex;align-items:center;gap:18px;margin-top:16px}.flash-hero-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:17px;background:linear-gradient(135deg,#6757e8,#9d5de8);color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(103,87,232,.25)}.flash-hero h1{margin:0 0 7px;font-size:2.1rem}.flash-hero p{margin:0;color:#61708a;font-size:1.04rem}
.deck-toolbar{position:sticky;top:10px;z-index:20;display:flex;align-items:center;gap:20px;margin:28px 20px 20px;padding:14px 16px;background:rgba(255,255,255,.95);border:1px solid #d9e2ef;border-radius:17px;box-shadow:0 12px 34px rgba(23,37,61,.08);backdrop-filter:blur(12px)}.deck-identity{display:flex;align-items:center;gap:10px;min-width:210px}.deck-mini-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:11px;background:color-mix(in srgb,var(--fc-accent) 12%,#fff);color:var(--fc-accent)}.deck-identity div{display:grid;gap:2px}.deck-identity b{font-size:.84rem;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.deck-identity small{color:#7c899c;font-size:.69rem}.toolbar-stat{display:grid;grid-template-columns:1fr auto;gap:3px 12px;min-width:150px}.toolbar-stat span,.toolbar-select,.accent-select{font-size:.68rem;font-weight:700;color:#748199}.toolbar-stat strong{font-size:.75rem}.toolbar-stat i{grid-column:1/-1;height:5px;border-radius:9px;background:#e7ebf2;overflow:hidden}.toolbar-stat em{display:block;width:0;height:100%;border-radius:9px;background:linear-gradient(90deg,#13b981,#34d399);transition:.3s}.toolbar-select,.accent-select{display:grid;gap:4px}.toolbar-select select{min-width:125px;padding:9px 30px 9px 10px;border:1px solid #d7e0ed;border-radius:9px;background:#f8fafc}.accent-select input{width:68px;height:38px;padding:4px;border:1px solid #d7e0ed;border-radius:9px;background:#fff}.deck-actions{display:flex;gap:8px;margin-left:auto}.fc-btn{padding:10px 13px;border:1px solid #d8e1ee;border-radius:9px;background:#fff;color:#34445d;font-weight:800;cursor:pointer}.fc-btn:hover{transform:translateY(-1px)}.fc-btn.primary{border-color:transparent;background:linear-gradient(135deg,var(--fc-accent),color-mix(in srgb,var(--fc-accent) 70%,#9333ea));color:#fff;box-shadow:0 8px 18px color-mix(in srgb,var(--fc-accent) 25%,transparent)}
.flash-studio{display:grid;grid-template-columns:minmax(400px,.83fr) minmax(580px,1.17fr);gap:20px;margin:0 20px 45px;align-items:start}.deck-builder,.study-panel{min-width:0;border:1px solid #d8e1ed;border-radius:17px;background:#fff;box-shadow:0 12px 36px rgba(23,37,61,.07)}.deck-builder{padding:19px}.builder-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:7px 4px 18px}.builder-heading>div>span{font-size:.67rem;letter-spacing:.14em;color:var(--fc-accent);font-weight:900}.builder-heading h2{margin:7px 0 5px;font-size:1.25rem}.builder-heading p{margin:0;color:#71809a;font-size:.8rem}.builder-heading em{flex-shrink:0;padding:8px 12px;border-radius:30px;background:#ecfdf5;color:#087f5b;border:1px solid #a7f3d0;font-size:.7rem;font-style:normal}.deck-settings{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:15px;border:1px solid #dce4ef;border-radius:12px;background:#f9fbfd}.deck-settings .wide{grid-column:1/-1}.deck-settings label{display:grid;gap:6px;color:#44536b;font-size:.72rem;font-weight:800}.deck-settings input,.bulk-panel textarea,.card-search input,.editor-card input,.editor-card textarea{width:100%;box-sizing:border-box;border:1px solid #d6e0ed;border-radius:9px;background:#fff;color:#17243a;font:inherit;outline:none}.deck-settings input{padding:10px}.deck-settings input:focus,.bulk-panel textarea:focus,.editor-card input:focus,.editor-card textarea:focus{border-color:var(--fc-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--fc-accent) 10%,transparent)}.builder-tabs{display:flex;gap:20px;margin:18px 3px 12px;border-bottom:1px solid #e0e6ef}.builder-tabs button{padding:8px 3px 11px;border:0;border-bottom:2px solid transparent;background:none;color:#768399;font-weight:800;cursor:pointer}.builder-tabs button.active{border-color:var(--fc-accent);color:var(--fc-accent)}.builder-tabs span{display:inline-grid;place-items:center;min-width:20px;height:20px;margin-left:4px;border-radius:20px;background:#eef0ff;font-size:.65rem}.card-list-tools{display:flex;gap:9px;margin-bottom:10px}.card-search{display:flex;align-items:center;gap:7px;flex:1;padding:0 10px;border:1px solid #dce4ef;border-radius:9px;background:#f9fbfd}.card-search input{padding:9px 0;border:0;background:transparent}.add-card{padding:9px 12px;border:1px solid color-mix(in srgb,var(--fc-accent) 30%,#d8e1ee);border-radius:9px;background:color-mix(in srgb,var(--fc-accent) 6%,#fff);color:var(--fc-accent);font-weight:800;cursor:pointer}.editor-card-list{display:grid;gap:10px;max-height:650px;overflow:auto;padding-right:3px}.editor-card{padding:12px;border:1px solid #dce4ef;border-radius:11px;background:#fff}.editor-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}.editor-card-head span{display:grid;place-items:center;width:25px;height:25px;border-radius:7px;background:#eef0ff;color:var(--fc-accent);font-size:.68rem;font-weight:900}.editor-card-head div{display:flex;gap:4px}.editor-card-head button{border:0;background:transparent;color:#8290a5;cursor:pointer}.editor-card-head button.delete{color:#c0392b}.editor-card-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}.editor-card textarea{padding:10px;min-height:74px;resize:vertical}.editor-card input{grid-column:1/-1;padding:9px}.editor-card.hidden-card{display:none}.bulk-panel textarea{padding:13px;resize:vertical}.bulk-note{display:grid;gap:3px;margin-bottom:10px;padding:12px;border-radius:10px;background:#f2f0ff;color:#5146c9}.bulk-note span{font-size:.74rem;color:#6e6994}.bulk-actions{display:flex;align-items:center;justify-content:space-between;margin-top:10px}.bulk-actions span{font-size:.72rem;color:#718097}.reset-deck{margin:16px 3px 0;border:0;background:transparent;color:#b42318;font-size:.74rem;cursor:pointer}
.study-panel{position:sticky;top:104px;overflow:hidden}.study-topbar{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 14px;border-bottom:1px solid #dce4ef;font-size:.74rem}.study-topbar>div{display:flex;align-items:center;gap:8px}.study-topbar i{width:7px;height:7px;border-radius:50%;background:#10b981}.study-topbar span{padding:3px 7px;border-radius:20px;background:#f0f2f7;color:#6f7d91}.study-topbar button{width:29px;height:29px;border:1px solid #d9e1ed;border-radius:7px;background:#fff;cursor:pointer}.study-area{padding:24px 34px 22px;background:radial-gradient(circle at 80% 3%,color-mix(in srgb,var(--fc-accent) 10%,transparent),transparent 32%),#f8f9fc}.study-meta{display:flex;justify-content:space-between;margin-bottom:10px;color:#778499;font-size:.65rem;font-weight:900;letter-spacing:.09em}.study-meta span:last-child{color:#9a6b1f}.study-card{display:block;width:100%;height:390px;padding:0;border:0;background:transparent;perspective:1200px;cursor:pointer}.study-card-inner{position:relative;width:100%;height:100%;transition:transform .55s cubic-bezier(.2,.7,.2,1);transform-style:preserve-3d}.study-card-inner.flipped{transform:rotateY(180deg)}.card-face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:42px;box-sizing:border-box;border:1px solid color-mix(in srgb,var(--fc-accent) 20%,#dde4ef);border-radius:20px;backface-visibility:hidden;box-shadow:0 18px 45px rgba(35,44,73,.12);text-align:center}.card-front{background:linear-gradient(145deg,#fff,color-mix(in srgb,var(--fc-accent) 5%,#fff))}.card-back{background:linear-gradient(145deg,var(--fc-accent),color-mix(in srgb,var(--fc-accent) 65%,#111827));color:#fff;transform:rotateY(180deg)}.card-face small{color:var(--fc-accent);font-size:.65rem;letter-spacing:.18em;font-weight:900}.card-back small{color:#fff}.card-face strong{max-width:480px;margin:22px 0;font-size:1.75rem;line-height:1.4}.card-face>span{padding:7px 11px;border-radius:8px;background:#f1f3f8;color:#6d788a;font-size:.75rem}.card-face em{position:absolute;bottom:25px;color:#8b96a8;font-size:.7rem;font-style:normal}.card-back em{color:rgba(255,255,255,.72)}.confidence-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0;opacity:.42;pointer-events:none;transition:.2s}.confidence-actions.ready{opacity:1;pointer-events:auto}.confidence-actions button{display:grid;grid-template-columns:28px 1fr;column-gap:8px;padding:10px 13px;border:1px solid #dce4ef;border-radius:11px;background:#fff;text-align:left;cursor:pointer}.confidence-actions button>span{grid-row:1/3;display:grid;place-items:center;width:28px;height:28px;border-radius:7px;font-weight:900}.confidence-actions b{font-size:.76rem}.confidence-actions small{color:#8490a3;font-size:.65rem}.confidence-actions .again span{background:#fff0ed;color:#d24b31}.confidence-actions .know span{background:#e8fbf2;color:#087f5b}.study-navigation{display:flex;align-items:center;justify-content:space-between;gap:10px}.study-navigation button{border:0;background:none;color:#5f6d82;font-weight:800;cursor:pointer}.progress-dots{display:flex;gap:4px;max-width:230px;overflow:hidden}.progress-dots i{width:7px;height:7px;flex:0 0 auto;border-radius:50%;background:#d7deea}.progress-dots i.active{background:var(--fc-accent);transform:scale(1.35)}.progress-dots i.known{background:#10b981}.progress-dots i.learning{background:#f59e0b}.study-summary{display:grid;grid-template-columns:repeat(3,1fr);margin-top:20px;padding-top:15px;border-top:1px solid #dde4ee}.study-summary>div{display:flex;align-items:center;justify-content:center;gap:8px;border-right:1px solid #dde4ee}.study-summary>div:last-child{border:0}.summary-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;font-weight:900}.summary-icon.new{background:#eef1f6;color:#748197}.summary-icon.learning{background:#fff4dc;color:#c27c09}.summary-icon.known{background:#e8fbf2;color:#087f5b}.study-summary p{display:grid;margin:0}.study-summary b{font-size:.85rem}.study-summary small{color:#8793a6;font-size:.64rem}.keyboard-tip{text-align:center;margin:16px 0 0;color:#8a95a7;font-size:.65rem}.keyboard-tip kbd{display:inline-block;margin:0 2px;padding:2px 5px;border:1px solid #d8dfe9;border-bottom-width:2px;border-radius:4px;background:#fff;font:inherit}.study-panel.focus-mode{position:fixed;inset:20px;z-index:1000;max-width:980px;margin:auto}.study-panel.focus-mode .study-card{height:min(55vh,500px)}.print-deck{display:none}
@media(max-width:1100px){.deck-toolbar{position:relative;top:0;flex-wrap:wrap}.deck-actions{margin-left:0}.flash-studio{grid-template-columns:minmax(0,1fr)}.study-panel{position:relative;top:0}}
@media(max-width:680px){.flash-hero{padding:28px 18px}.flash-hero h1{font-size:1.55rem}.deck-toolbar,.flash-studio{margin-left:0;margin-right:0}.deck-identity{width:100%}.deck-actions{width:100%;display:grid;grid-template-columns:1fr 1fr 1fr}.deck-settings,.editor-card-fields{grid-template-columns:1fr}.deck-settings .wide,.editor-card input{grid-column:auto}.study-area{padding:18px 12px}.study-card{height:330px}.card-face{padding:28px}.card-face strong{font-size:1.35rem}.keyboard-tip{display:none}}
@page{size:A4;margin:12mm}@media print{body *{visibility:hidden!important}.print-deck,.print-deck *{visibility:visible!important}.print-deck{display:grid!important;position:absolute;inset:0;grid-template-columns:1fr 1fr;gap:8mm;width:100%;padding:0}.print-card{display:grid;grid-template-rows:1fr auto 1fr;min-height:82mm;padding:8mm;border:1px dashed #94a3b8;border-radius:4mm;break-inside:avoid;background:#fff}.print-card .print-front,.print-card .print-back{display:grid;place-items:center;text-align:center}.print-card small{color:var(--fc-accent);font-weight:900;letter-spacing:.12em}.print-card strong{font-size:16pt}.print-card hr{width:100%;border:0;border-top:1px dashed #cbd5e1}.print-card footer{display:flex;justify-content:space-between;color:#94a3b8;font-size:7pt}}