.flash-center-panel{padding:0!important;background:transparent!important;border:0!important}.flash-app{--fc-gold:#d6b54a;--fc-bg:#08090b;--fc-card:#111318;background:radial-gradient(circle at 84% 0,rgba(214,181,74,.11),transparent 32%),linear-gradient(145deg,#090a0d,#060708);border:1px solid rgba(214,181,74,.25);border-radius:28px;padding:22px;box-shadow:0 24px 70px rgba(0,0,0,.32);overflow:hidden}.flash-dashboard-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:20px}.flash-eyebrow{display:block;color:#d6b54a;font-size:11px;font-weight:900;letter-spacing:2px;margin-bottom:7px}.flash-dashboard-head h3{margin:0;color:#fff;font-size:26px}.flash-dashboard-head p{margin:7px 0 0;color:#9da1aa;line-height:1.9}.flash-dashboard-badge{background:rgba(214,181,74,.08);border:1px solid rgba(214,181,74,.25);color:#e9ca65;border-radius:999px;padding:10px 14px;white-space:nowrap}.flash-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}.flash-stat{background:linear-gradient(145deg,#111318,#0c0d11);border:1px solid #22252c;border-radius:17px;padding:14px}.flash-stat small{display:block;color:#8f949d;font-size:11px;margin-bottom:7px}.flash-stat strong{color:#fff;font-size:23px}.flash-stat.due strong{color:#f1cb63}.flash-toolbar{display:flex;gap:10px;margin-bottom:16px}.flash-toolbar input,.flash-toolbar select{background:#0e1014;color:#fff;border:1px solid #282b33;border-radius:13px;padding:12px 13px;outline:0}.flash-toolbar input{flex:1}.flash-toolbar input:focus,.flash-toolbar select:focus{border-color:#7c6931}.flash-subject-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.flash-subject-card{position:relative;overflow:hidden;text-align:right;background:linear-gradient(150deg,#14161b,#0d0f13);border:1px solid #242730;border-radius:22px;padding:18px;color:#fff;cursor:pointer;min-height:270px;transition:.2s transform,.2s border-color,.2s box-shadow}.flash-subject-card:hover{transform:translateY(-3px);border-color:var(--subject,#d6b54a);box-shadow:0 16px 35px rgba(0,0,0,.25)}.flash-subject-card.theme-bio{--subject:#54d88b;--subject-rgb:84,216,139}.flash-subject-card.theme-chem{--subject:#f4a94f;--subject-rgb:244,169,79}.flash-subject-card.theme-physics{--subject:#59c9ef;--subject-rgb:89,201,239}.flash-subject-card.theme-math{--subject:#9a82ff;--subject-rgb:154,130,255}.flash-subject-card.theme-literature{--subject:#f07391;--subject-rgb:240,115,145}.flash-subject-card.theme-arabic{--subject:#3fd0b0;--subject-rgb:63,208,176}.flash-subject-card.theme-religion{--subject:#e8c35a;--subject-rgb:232,195,90}.flash-subject-card.theme-english{--subject:#6ea8ff;--subject-rgb:110,168,255}.flash-subject-card.theme-history{--subject:#db9b65;--subject-rgb:219,155,101}.flash-subject-card.theme-philosophy{--subject:#bc8df3;--subject-rgb:188,141,243}.flash-subject-card.theme-humanities{--subject:#e18d67;--subject-rgb:225,141,103}.flash-subject-card.theme-default{--subject:#d6b54a;--subject-rgb:214,181,74}.flash-subject-glow{position:absolute;width:200px;height:200px;border-radius:50%;background:rgba(var(--subject-rgb),.13);filter:blur(12px);top:-90px;left:-60px}.flash-subject-top{position:relative;display:flex;justify-content:space-between;align-items:center}.flash-subject-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:rgba(var(--subject-rgb),.11);border:1px solid rgba(var(--subject-rgb),.35);color:var(--subject);font-size:24px;font-weight:900}.flash-grade-badge{font-size:11px;color:#a9adb5;background:#0a0b0e;border:1px solid #272a31;border-radius:999px;padding:6px 9px}.flash-subject-card h4{position:relative;font-size:21px;margin:16px 0 15px;color:#fff}.flash-subject-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:relative}.flash-subject-metrics span{background:rgba(255,255,255,.025);border:1px solid #22252b;border-radius:12px;padding:9px}.flash-subject-metrics span.due{grid-column:1/-1;border-color:rgba(var(--subject-rgb),.2)}.flash-subject-metrics small{display:block;color:#858a94;font-size:10px;margin-bottom:4px}.flash-subject-metrics b{font-size:16px;color:#fff}.flash-subject-metrics .due b{color:var(--subject)}.flash-subject-progress{position:relative;margin-top:13px}.flash-subject-progress>div{display:flex;justify-content:space-between;color:#8f949d;font-size:10px;margin-bottom:6px}.flash-subject-progress strong{color:#d9dde4}.flash-subject-progress i,.flash-topic-progress i,.flash-review-track{display:block;height:5px;background:#24272d;border-radius:99px;overflow:hidden}.flash-subject-progress em,.flash-topic-progress em,.flash-review-track i{display:block;height:100%;background:var(--subject,#d6b54a);border-radius:99px}.flash-subject-enter{position:relative;margin-top:14px;color:var(--subject);font-weight:800;font-size:12px;display:flex;justify-content:space-between}.flash-topic-view,.flash-review{max-width:900px;margin:auto}.flash-topic-header{display:flex;align-items:center;gap:13px;margin-bottom:15px}.flash-back-btn{border:1px solid #2b2e35;background:#101216;color:#ddd;border-radius:12px;padding:10px 12px;cursor:pointer}.flash-topic-header h4{margin:0;color:#fff;font-size:22px}.flash-topic-header h4 span{margin-left:6px}.flash-topic-header p{margin:4px 0 0;color:#8d929b;font-size:12px}.flash-decks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.flash-topic-card{background:#101217;border:1px solid #24272e;border-radius:18px;padding:15px}.flash-topic-head{display:flex;justify-content:space-between;gap:10px}.flash-topic-kicker{font-size:10px;color:#d2b34c}.flash-topic-card h5{margin:4px 0 0;color:#fff;font-size:15px;line-height:1.7}.flash-topic-count{white-space:nowrap;font-size:10px;background:#17191f;color:#aaa;border-radius:999px;padding:6px 8px;height:max-content}.flash-topic-stats{display:flex;gap:14px;margin:13px 0;color:#8d929a;font-size:10px}.flash-topic-stats b{color:#e7c65c}.flash-topic-progress{display:flex;align-items:center;gap:10px}.flash-topic-progress i{flex:1}.flash-topic-progress em{background:#d6b54a}.flash-topic-progress small{color:#8b9098;font-size:9px}.flash-topic-actions{display:flex;gap:7px;margin-top:13px}.flash-topic-actions button{border-radius:11px;padding:9px 11px;font-weight:800;cursor:pointer;font-size:11px}.flash-start-btn{border:0;background:#d6b54a;color:#111}.flash-due-btn{border:1px solid #3a3320;background:#17140c;color:#e9c65d}.flash-review-head{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;margin-bottom:14px}.flash-review-head>div{min-width:0}.flash-review-head h4{margin:0 0 3px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.flash-review-head b{display:block;color:#989da6;font-size:11px;margin-bottom:7px}.flash-review-track i{background:linear-gradient(90deg,#d4af37,#f3d775);transition:width .25s}.flash-card{min-height:330px;border-radius:28px;border:1px solid rgba(212,175,55,.48);background:radial-gradient(circle at top,#2a230d,#101114 55%);padding:32px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;cursor:pointer;box-shadow:0 24px 60px rgba(0,0,0,.3);transition:.2s}.flash-card:hover{transform:translateY(-2px)}.flash-card.revealed{background:radial-gradient(circle at top,#0e2b1e,#101214 58%);border-color:#399665}.flash-card-side{color:#d4af37;font-size:11px;font-weight:900;letter-spacing:1px}.flash-card strong{font-size:22px;line-height:2;margin:16px 0;color:#fff;max-width:720px}.flash-card small{color:#868b94}.flash-ratings{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:12px}.flash-ratings button{border:0;border-radius:13px;padding:14px 6px;font-weight:900;cursor:pointer}.flash-ratings .missed{background:#3b1717;color:#ffabab}.flash-ratings .hard{background:#3a3013;color:#ffe28a}.flash-ratings .known{background:#123522;color:#9af0ba}.flash-finished{cursor:default}.flash-done{text-align:center;display:grid;gap:8px}.flash-done>span{margin:auto;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#153924;color:#94efb8;font-size:28px}.flash-done strong{margin:0;color:#f1d474}.flash-done small{max-width:520px;line-height:1.9}.personal-flash{margin-top:18px;border:1px solid #252830;border-radius:16px;background:#0d0f13}.personal-flash summary{padding:14px 16px;cursor:pointer;color:#d6b54a;font-weight:900}.personal-flash-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:0 16px 16px}.personal-flash-grid input,.personal-flash-grid textarea{background:#101216;color:#fff;border:1px solid #31343d;border-radius:12px;padding:11px}.personal-flash-grid button{grid-column:1/-1}.personal-flash .form-status{padding:0 16px 15px;color:#9ad6ae}.flash-empty,.flash-loading{padding:26px;text-align:center;color:#999;background:#0f1115;border:1px dashed #2b2e35;border-radius:16px}.flash-panel-note{color:#777;font-size:11px;margin-top:12px;text-align:center}
@media(max-width:900px){.flash-subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flash-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.flash-app{padding:12px;border-radius:20px}.flash-dashboard-head{display:block}.flash-dashboard-badge{display:inline-block;margin-top:12px}.flash-dashboard-head h3{font-size:22px}.flash-stats{gap:7px}.flash-stat{padding:11px}.flash-stat strong{font-size:19px}.flash-toolbar{display:grid;grid-template-columns:1fr}.flash-subject-grid,.flash-decks{grid-template-columns:1fr}.flash-subject-card{min-height:auto}.flash-card{min-height:48vh;padding:20px}.flash-card strong{font-size:19px}.personal-flash-grid{grid-template-columns:1fr}.flash-ratings{position:sticky;bottom:76px;z-index:3}.flash-ratings button{padding:14px 4px}.flash-topic-actions{flex-direction:column}}

.flash-card-badges{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.flash-subject-cover{position:relative;height:120px;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);margin:14px 0 12px;background:#0c0d11}.flash-subject-cover img{width:100%;height:100%;object-fit:cover;display:block}.flash-subject-cover.empty{display:grid;place-items:center;color:#8f949d;font-size:11px;background:linear-gradient(145deg,#101216,#0b0d10)}.flash-design-badge,.flash-lock-badge{font-size:10px;border-radius:999px;padding:6px 9px;font-weight:900;border:1px solid rgba(214,181,74,.28);background:#151208;color:#f0cc6a}.flash-lock-badge{background:#190f12;border-color:rgba(255,126,143,.26);color:#ff9aa7}.flash-subject-card.locked{opacity:.82;cursor:not-allowed}.flash-subject-card.locked:hover{transform:none;box-shadow:none;border-color:#242730}.flash-subject-card.locked .flash-subject-enter{color:#ffb3bc}.flash-subject-card:disabled{pointer-events:none}


.flash-catalog-status{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 0 18px}.flash-status-card{background:linear-gradient(150deg,#12151a,#0d1014);border:1px solid #242830;border-radius:18px;padding:14px}.flash-status-card small{display:block;color:#9096a0;font-size:11px;margin-bottom:6px}.flash-status-card strong{display:block;color:#fff;font-size:22px;margin-bottom:5px}.flash-status-card span{display:block;color:#b5bbc6;font-size:11px;line-height:1.9}.flash-status-card.active{border-color:rgba(76,203,117,.2)}.flash-status-card.active strong{color:#a0ebb5}.flash-status-card.locked{border-color:rgba(255,128,146,.22)}.flash-status-card.locked strong{color:#ffacb8}.flash-status-card.coverage{border-color:rgba(214,181,74,.24)}.flash-status-card.coverage strong{color:#f1d169}.flash-subject-card.locked{opacity:.9;cursor:not-allowed;border-color:#3a2a2e;background:linear-gradient(150deg,#171318,#100f13)}.flash-subject-card.locked .flash-subject-cover{filter:saturate(.65) brightness(.72)}.flash-locked-overlay{position:relative;margin:-4px 0 10px;border:1px solid rgba(255,138,152,.24);background:linear-gradient(145deg,rgba(57,17,24,.92),rgba(22,13,17,.96));border-radius:15px;padding:11px 12px;text-align:right}.flash-locked-overlay strong{display:block;color:#ffd5da;font-size:13px;margin-bottom:5px}.flash-locked-overlay span{display:block;color:#f2c0c8;font-size:11px;line-height:1.9;margin-bottom:6px}.flash-locked-overlay b{display:inline-block;color:#ff9cab;font-size:10px;padding:5px 8px;border-radius:999px;border:1px solid rgba(255,157,169,.24);background:rgba(255,255,255,.03)}
@media(max-width:900px){.flash-catalog-status{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.flash-catalog-status{grid-template-columns:1fr}}


.flash-today-panel{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:17px 18px;margin:0 0 18px;border-radius:20px;border:1px solid rgba(214,181,74,.3);background:linear-gradient(135deg,rgba(214,181,74,.085),#111319 45%,rgba(80,124,220,.06));box-shadow:0 14px 32px rgba(0,0,0,.16)}.flash-today-kicker{display:block;color:#d6b54a;font-size:10px;font-weight:900;letter-spacing:1.5px}.flash-today-panel strong{display:block;color:#fff;font-size:18px;margin:5px 0}.flash-today-panel p{margin:0;color:#a8aeb8;font-size:12px;line-height:1.8}.flash-today-actions{display:grid;gap:7px;justify-items:end}.flash-today-btn{border:0;border-radius:13px;padding:12px 16px;background:linear-gradient(135deg,#d8ba55,#b9952e);color:#121212;font-weight:900;cursor:pointer;white-space:nowrap}.flash-today-btn:disabled{opacity:.55;cursor:wait}.flash-today-actions small{color:#8f95a0;font-size:10px}.flash-card-context{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:4px}.flash-card-context span,.flash-card-context small{display:inline-flex;padding:5px 9px;border-radius:999px;border:1px solid #3a3320;background:#19160d;color:#eacb68;font-size:10px}.flash-session-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;width:min(620px,100%);margin-top:15px}.flash-session-summary span{padding:10px;border-radius:13px;background:#12151a;border:1px solid #2a2e35}.flash-session-summary b{display:block;color:#f0d169;font-size:18px}.flash-session-summary small{display:block;margin-top:3px;color:#9298a2;font-size:10px}
@media(max-width:700px){.flash-today-panel{align-items:stretch;flex-direction:column}.flash-today-actions{justify-items:stretch}.flash-today-btn{width:100%}.flash-session-summary{grid-template-columns:1fr 1fr}}


/* V18.11.0 — mobile-complete cards + tactile flip/swipe review */
.flash-card-stack{position:relative;perspective:1300px;background:transparent!important;border:0!important;box-shadow:none!important;padding:0!important;min-height:360px;overflow:visible!important;touch-action:pan-y}
.flash-card-stack:before,.flash-card-stack:after{content:"";position:absolute;inset:10px 18px -10px;border-radius:26px;border:1px solid rgba(212,175,55,.16);background:#0d0f13;z-index:0}.flash-card-stack:after{inset:5px 10px -5px;background:#101217;z-index:1}
.flash-card-inner{position:relative;z-index:2;width:100%;min-height:360px;transform-style:preserve-3d;transition:transform .46s cubic-bezier(.2,.72,.22,1)}.flash-card.revealed .flash-card-inner{transform:rotateY(180deg)}
.flash-card-face{position:absolute;inset:0;min-height:360px;padding:30px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;border-radius:28px;border:1px solid rgba(212,175,55,.46);background:radial-gradient(circle at 50% 0,#2a230d,#111318 56%);box-shadow:0 22px 55px rgba(0,0,0,.34);backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}.flash-card-back{transform:rotateY(180deg);border-color:rgba(73,175,117,.46);background:radial-gradient(circle at 50% 0,#0d2b1d,#111318 58%)}
.flash-card-face strong{max-width:min(720px,100%);font-size:22px;line-height:2;color:#fff;margin:15px 0;overflow-wrap:anywhere;white-space:normal}.flash-card-face small{color:#8e949e;line-height:1.8}.flash-card-face .flash-card-context{justify-content:center}.flash-gesture-hint{margin-top:16px;padding:6px 10px;border:1px solid rgba(255,255,255,.07);border-radius:999px;background:rgba(255,255,255,.025);color:#7f8590;font-size:10px}.flash-card.rating-known .flash-card-inner{transform:translateX(16px) rotateY(180deg) rotateZ(1deg);opacity:.88}.flash-card.rating-missed .flash-card-inner{transform:translateX(-16px) rotateY(180deg) rotateZ(-1deg);opacity:.88}.flash-card.rating-hard .flash-card-inner{transform:translateY(-12px) rotateY(180deg);opacity:.9}
@media(max-width:700px){
  .flash-app,.flash-center-panel,.flash-topic-view,.flash-review,.flash-subject-grid,.flash-decks{width:100%!important;max-width:100%!important;min-width:0!important}
  .flash-app{padding:10px!important;border-radius:18px!important;overflow:visible!important}
  .flash-dashboard-head{gap:9px!important;margin-bottom:13px!important}.flash-dashboard-head h3{font-size:18px!important;line-height:1.55!important}.flash-dashboard-head p{font-size:10px!important;line-height:1.75!important}
  .flash-dashboard-badge{white-space:normal!important;padding:7px 9px!important;font-size:9px!important}
  .flash-stats{grid-template-columns:repeat(2,minmax(0,1fr))!important}.flash-stat{min-width:0!important;padding:9px!important;border-radius:14px!important}.flash-stat small{font-size:9px!important}.flash-stat strong{font-size:17px!important}
  .flash-toolbar{width:100%!important;grid-template-columns:1fr!important}.flash-toolbar input,.flash-toolbar select{width:100%!important;min-width:0!important}
  .flash-subject-grid,.flash-decks{grid-template-columns:1fr!important;gap:10px!important}
  .flash-subject-card{display:block!important;width:100%!important;max-width:100%!important;min-width:0!important;min-height:0!important;height:auto!important;padding:12px!important;border-radius:18px!important;overflow:hidden!important;text-align:right!important}
  .flash-subject-cover{width:100%!important;height:auto!important;aspect-ratio:16/9;margin:9px 0!important;border-radius:14px!important}.flash-subject-cover img{width:100%!important;height:100%!important;object-fit:cover!important}
  .flash-subject-top{gap:8px!important}.flash-subject-icon{width:40px!important;height:40px!important;flex:0 0 40px!important;font-size:20px!important}.flash-card-badges{min-width:0!important}.flash-design-badge,.flash-lock-badge,.flash-grade-badge{font-size:9px!important;padding:5px 7px!important;white-space:normal!important}
  .flash-subject-card h4{font-size:17px!important;line-height:1.65!important;margin:10px 0!important;overflow-wrap:anywhere!important}
  .flash-subject-metrics{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:5px!important}.flash-subject-metrics span,.flash-subject-metrics span.due{grid-column:auto!important;min-width:0!important;padding:7px 5px!important;text-align:center!important}.flash-subject-metrics small{font-size:8px!important;line-height:1.45!important}.flash-subject-metrics b{font-size:13px!important}
  .flash-subject-progress{margin-top:9px!important}.flash-subject-enter{font-size:10px!important;margin-top:10px!important;gap:8px!important}.flash-locked-overlay{margin:0 0 8px!important;padding:9px!important}.flash-locked-overlay strong{font-size:11px!important}.flash-locked-overlay span{font-size:9px!important}.flash-locked-overlay b{font-size:8px!important}
  .flash-topic-card{width:100%!important;max-width:100%!important;min-width:0!important;padding:12px!important;border-radius:16px!important;overflow:visible!important}.flash-topic-head{min-width:0!important}.flash-topic-head>div{min-width:0!important}.flash-topic-card h5{font-size:13px!important;overflow-wrap:anywhere!important}.flash-topic-count{flex:0 0 auto!important}.flash-topic-stats{display:grid!important;grid-template-columns:1fr 1fr!important;gap:6px!important}.flash-topic-actions{display:grid!important;grid-template-columns:1fr!important}.flash-topic-actions button{width:100%!important;min-height:42px!important}
  .flash-review{padding-bottom:90px!important}.flash-review-head{grid-template-columns:auto minmax(0,1fr)!important}.flash-review-head h4{font-size:13px!important}.flash-review-head b{font-size:9px!important}
  .flash-card-stack{width:100%!important;min-height:clamp(330px,52dvh,500px)!important}.flash-card-inner,.flash-card-face{min-height:clamp(330px,52dvh,500px)!important}.flash-card-face{padding:20px 16px!important;border-radius:22px!important}.flash-card-face strong{font-size:18px!important;line-height:1.9!important;margin:12px 0!important}.flash-card-face small{font-size:10px!important}.flash-gesture-hint{font-size:8.5px!important;margin-top:12px!important;padding:5px 8px!important}.flash-card-context{gap:5px!important}.flash-card-context span,.flash-card-context small{font-size:8px!important;padding:4px 7px!important;max-width:100%!important;white-space:normal!important;text-align:center!important}
  .flash-ratings{position:sticky!important;bottom:76px!important;z-index:12!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;padding:7px!important;border-radius:17px!important;background:rgba(8,9,11,.92)!important;backdrop-filter:blur(12px)!important;border:1px solid rgba(255,255,255,.06)!important}.flash-ratings button{min-width:0!important;padding:11px 3px!important;font-size:10px!important;line-height:1.35!important}
  .flash-session-summary{grid-template-columns:repeat(2,1fr)!important}.flash-done{padding:20px 8px!important}.flash-done strong{font-size:18px!important;line-height:1.6!important}.flash-done small{font-size:11px!important}
}

/* V18.20.4 — selected middle-school/statistics design previews must stay fully visible on phones */
.flash-subject-cover.full-design{height:auto!important;aspect-ratio:auto!important;background:#090b10!important;display:block!important;overflow:hidden!important}.flash-subject-cover.full-design img{width:100%!important;height:auto!important;max-height:none!important;object-fit:contain!important;object-position:center!important;display:block!important}
@media(max-width:620px){.flash-subject-cover.full-design{height:auto!important;aspect-ratio:auto!important}.flash-subject-cover.full-design img{width:100%!important;height:auto!important;object-fit:contain!important}}

/* V18.20.5 — all legacy + new flashcard designs preserve full artwork on mobile */