/* Flashcard Master — ToolSphare pro UI */
.tool-widget:has(.fcm-app) {
    padding: 0;
    overflow: hidden;
    background: transparent;
    border: none;
    box-shadow: none;
}

.fcm-app {
    --fcm-accent: #00aeef;
    --fcm-accent-2: #38bdf8;
    --fcm-ok: #34d399;
    --fcm-bad: #f87171;
    --fcm-card: rgba(15, 23, 42, 0.82);
    --fcm-border: rgba(148, 163, 184, 0.16);
    --fcm-muted: #94a3b8;
    --fcm-text: #e2e8f0;
    width: 100%;
}

.fcm-app [hidden] {
    display: none !important;
}

.fcm-shell {
    border: 1px solid var(--fcm-border);
    border-radius: 20px;
    background:
        radial-gradient(ellipse 65% 40% at 0% 0%, rgba(0, 174, 239, .14), transparent 50%),
        radial-gradient(ellipse 45% 30% at 100% 0%, rgba(52, 211, 153, .08), transparent 45%),
        linear-gradient(180deg, #111827 0%, #0b1220 100%);
    padding: 1.15rem 1.2rem 1.25rem;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
}

.fcm-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: .75rem 1rem;
    margin-bottom: 1rem;
    padding-bottom: .95rem;
    border-bottom: 1px solid var(--fcm-border);
}

.fcm-toolbar-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: #f8fafc;
}

.fcm-toolbar-sub {
    margin: .2rem 0 0;
    font-size: .82rem;
    color: var(--fcm-muted);
}

.fcm-toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.fcm-layout {
    display: grid;
    grid-template-columns: minmax(280px, .9fr) minmax(0, 1.35fr);
    gap: 1rem;
    align-items: start;
}

.fcm-col {
    display: flex;
    flex-direction: column;
    gap: .85rem;
    min-width: 0;
}

.fcm-card {
    border: 1px solid var(--fcm-border);
    border-radius: 16px;
    background: var(--fcm-card);
    padding: .9rem 1rem 1.05rem;
}

.fcm-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-bottom: .75rem;
    flex-wrap: wrap;
}

.fcm-card-head h3 {
    margin: 0;
    font-size: .92rem;
    font-weight: 700;
    color: #f8fafc;
}

.fcm-pill {
    font-size: .72rem;
    font-weight: 700;
    padding: .25rem .55rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 174, 239, .3);
    background: rgba(0, 174, 239, .12);
    color: var(--fcm-accent-2);
}

.fcm-seg {
    display: flex;
    gap: .3rem;
    padding: .25rem;
    margin-bottom: .85rem;
    border-radius: 12px;
    background: rgba(2, 8, 20, .5);
    border: 1px solid var(--fcm-border);
}

.fcm-seg-btn {
    flex: 1;
    border: 0;
    background: transparent;
    color: var(--fcm-muted);
    font: inherit;
    font-size: .8rem;
    font-weight: 700;
    padding: .5rem .55rem;
    border-radius: 9px;
    cursor: pointer;
}

.fcm-seg-btn.is-active {
    background: linear-gradient(135deg, rgba(0, 174, 239, .95), rgba(56, 189, 248, .85));
    color: #041018;
}

.fcm-label {
    display: block;
    font-size: .75rem;
    font-weight: 600;
    color: var(--fcm-muted);
    margin: .55rem 0 .35rem;
}

.fcm-label:first-of-type {
    margin-top: 0;
}

.fcm-textarea,
.fcm-input {
    width: 100%;
    border: 1px solid var(--fcm-border);
    border-radius: 10px;
    background: rgba(2, 8, 20, .55);
    color: var(--fcm-text);
    font: inherit;
    font-size: .88rem;
    padding: .65rem .75rem;
    resize: vertical;
}

.fcm-textarea:focus,
.fcm-input:focus {
    outline: 2px solid rgba(0, 174, 239, .45);
    outline-offset: 1px;
}

.fcm-count {
    text-align: right;
    font-size: .7rem;
    color: var(--fcm-muted);
    margin: .2rem 0 .45rem;
}

.fcm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    border-radius: 10px;
    font: inherit;
    font-size: .82rem;
    font-weight: 700;
    padding: .55rem .85rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .15s ease, background .2s ease, border-color .2s ease;
}

.fcm-btn:hover {
    transform: translateY(-1px);
}

.fcm-btn-block {
    width: 100%;
    margin-top: .55rem;
}

.fcm-btn-primary {
    background: linear-gradient(135deg, var(--fcm-accent), var(--fcm-accent-2));
    color: #041018;
    border-color: transparent;
}

.fcm-btn-outline {
    background: transparent;
    color: var(--fcm-accent-2);
    border-color: rgba(0, 174, 239, .45);
}

.fcm-btn-ghost {
    background: rgba(2, 8, 20, .45);
    color: var(--fcm-text);
    border-color: var(--fcm-border);
}

.fcm-btn-ok {
    background: rgba(52, 211, 153, .15);
    color: var(--fcm-ok);
    border-color: rgba(52, 211, 153, .35);
    flex: 1;
}

.fcm-btn-bad {
    background: rgba(248, 113, 113, .12);
    color: var(--fcm-bad);
    border-color: rgba(248, 113, 113, .3);
    flex: 1;
}

.fcm-set-list {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    max-height: 22rem;
    overflow: auto;
    margin-bottom: .35rem;
}

.fcm-empty,
.fcm-study-empty,
.fcm-muted {
    margin: 0;
    font-size: .82rem;
    color: var(--fcm-muted);
    line-height: 1.45;
}

.fcm-study-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    border: 1px dashed var(--fcm-border);
    border-radius: 14px;
}

.fcm-set-item {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    padding: .65rem .7rem;
    border-radius: 10px;
    border: 1px solid var(--fcm-border);
    background: rgba(2, 8, 20, .4);
    cursor: pointer;
    text-align: left;
    width: 100%;
    color: inherit;
    font: inherit;
}

.fcm-set-item.is-active {
    border-color: rgba(0, 174, 239, .45);
    background: rgba(0, 174, 239, .1);
}

.fcm-set-item-body {
    flex: 1;
    min-width: 0;
}

.fcm-set-item strong {
    display: block;
    font-size: .82rem;
    color: #f1f5f9;
    margin-bottom: .15rem;
    word-break: break-word;
}

.fcm-set-item span {
    display: block;
    font-size: .74rem;
    color: var(--fcm-muted);
    word-break: break-word;
}

.fcm-set-actions {
    display: flex;
    gap: .25rem;
    flex-shrink: 0;
}

.fcm-icon-btn {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 8px;
    border: 1px solid var(--fcm-border);
    background: rgba(2, 8, 20, .45);
    color: var(--fcm-muted);
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1rem;
    line-height: 1;
}

.fcm-icon-btn:hover {
    color: var(--fcm-accent-2);
    border-color: rgba(0, 174, 239, .4);
}

.fcm-nav-mini {
    display: flex;
    align-items: center;
    gap: .35rem;
    font-size: .78rem;
    color: var(--fcm-muted);
    font-weight: 600;
}

.fcm-flip {
    margin-bottom: .85rem;
}

.fcm-face {
    min-height: 11rem;
    border-radius: 16px;
    padding: 1.15rem 1.2rem 1.3rem;
    background: var(--fcm-card-bg, #0f172a);
    color: var(--fcm-card-fg, #e2e8f0);
    border: 1px solid rgba(148, 163, 184, .2);
    display: flex;
    flex-direction: column;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
    animation: fcm-in .28s ease;
}

.fcm-face-back {
    margin-top: 0;
    border-color: rgba(52, 211, 153, .28);
    background: color-mix(in srgb, var(--fcm-card-bg, #0f172a) 88%, #34d399 12%);
}

@keyframes fcm-in {
    from { opacity: 0; transform: translateY(6px) scale(.985); }
    to { opacity: 1; transform: none; }
}

.fcm-face-label {
    display: inline-flex;
    align-self: flex-start;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .06em;
    padding: .2rem .5rem;
    border-radius: 6px;
    background: rgba(0, 174, 239, .2);
    color: var(--fcm-accent-2);
    margin-bottom: .85rem;
}

.fcm-face-label-back {
    background: rgba(52, 211, 153, .18);
    color: var(--fcm-ok);
}

.fcm-face-text {
    margin: 0;
    flex: 1;
    display: grid;
    place-items: center;
    text-align: center;
    font-size: var(--fcm-font, 1.15rem);
    font-weight: 700;
    line-height: 1.4;
    word-break: break-word;
}

.fcm-face-back .fcm-face-text {
    color: inherit;
}

.fcm-show-answer {
    margin: .75rem 0;
}

.fcm-study-nav {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: .85rem;
}

.fcm-study-nav .fcm-btn {
    flex: 1;
    min-width: 5.5rem;
}

.fcm-progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: .75rem;
    color: var(--fcm-muted);
    margin-bottom: .35rem;
}

.fcm-progress-track {
    height: .45rem;
    border-radius: 999px;
    background: rgba(148, 163, 184, .18);
    overflow: hidden;
    margin-bottom: .75rem;
}

.fcm-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--fcm-accent), var(--fcm-ok));
    border-radius: inherit;
    transition: width .25s ease;
}

.fcm-score-row {
    display: flex;
    gap: .45rem;
}

.fcm-modes {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .4rem;
    margin-bottom: .85rem;
}

.fcm-mode {
    border: 1px solid var(--fcm-border);
    background: rgba(2, 8, 20, .4);
    color: var(--fcm-muted);
    border-radius: 10px;
    padding: .65rem .5rem;
    font: inherit;
    font-size: .78rem;
    font-weight: 700;
    cursor: pointer;
}

.fcm-mode.is-active {
    color: #041018;
    border-color: transparent;
    background: linear-gradient(135deg, var(--fcm-accent), var(--fcm-accent-2));
}

.fcm-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
}

.fcm-swatch {
    width: 1.7rem;
    height: 1.7rem;
    border-radius: 999px;
    border: 2px solid transparent;
    cursor: pointer;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

.fcm-swatch.is-active {
    border-color: var(--fcm-accent-2);
    box-shadow: 0 0 0 2px rgba(0, 174, 239, .35);
}

.fcm-range-row {
    display: flex;
    align-items: center;
    gap: .65rem;
    flex: 1;
    min-width: 0;
}

.fcm-range-row input {
    flex: 1;
    accent-color: var(--fcm-accent);
}

.fcm-range-row span {
    font-size: .75rem;
    font-weight: 700;
    color: var(--fcm-muted);
    min-width: 3.5rem;
}

.fcm-design {
    margin-top: 1rem;
    padding-top: .9rem;
    border-top: 1px solid var(--fcm-border);
    display: flex;
    flex-direction: column;
    gap: .65rem;
}

.fcm-design-row {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}

.fcm-label-inline {
    margin: 0;
    min-width: 4.5rem;
}

.fcm-quiz,
.fcm-match {
    margin-bottom: .75rem;
    padding: .75rem;
    border-radius: 12px;
    border: 1px solid var(--fcm-border);
    background: rgba(2, 8, 20, .35);
}

.fcm-quiz-actions {
    display: flex;
    align-items: center;
    gap: .55rem;
    margin-top: .55rem;
    flex-wrap: wrap;
}

.fcm-quiz-result {
    font-size: .82rem;
    font-weight: 700;
}

.fcm-quiz-result.is-ok { color: var(--fcm-ok); }
.fcm-quiz-result.is-bad { color: var(--fcm-bad); }

.fcm-match-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .45rem;
    margin-top: .55rem;
}

.fcm-match-tile {
    border: 1px solid var(--fcm-border);
    background: rgba(15, 23, 42, .8);
    color: var(--fcm-text);
    border-radius: 10px;
    padding: .65rem .55rem;
    font: inherit;
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    word-break: break-word;
}

.fcm-match-tile.is-selected {
    border-color: var(--fcm-accent);
    background: rgba(0, 174, 239, .15);
}

.fcm-match-tile.is-matched {
    opacity: .45;
    pointer-events: none;
    border-color: rgba(52, 211, 153, .4);
}

.fcm-toast {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 80;
    padding: .7rem 1rem;
    border-radius: 10px;
    background: #0f172a;
    border: 1px solid rgba(0, 174, 239, .35);
    color: #e2e8f0;
    font-size: .85rem;
    font-weight: 600;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .35);
}

.fcm-dialog {
    border: 1px solid var(--fcm-border);
    border-radius: 16px;
    padding: 0;
    background: #0f172a;
    color: var(--fcm-text);
    max-width: 26rem;
    width: calc(100% - 2rem);
}

.fcm-dialog::backdrop {
    background: rgba(2, 8, 20, .72);
}

.fcm-dialog-inner {
    padding: 1.15rem 1.2rem;
}

.fcm-dialog-inner h3 {
    margin: 0 0 .35rem;
}

.fcm-dialog-inner .fcm-muted {
    margin-bottom: .85rem;
}

.fcm-dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: .45rem;
    margin-top: 1rem;
}

@media (max-width: 980px) {
    .fcm-layout {
        grid-template-columns: 1fr;
    }

    .fcm-col-main {
        order: -1;
    }

    .fcm-modes {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 720px) {
    .fcm-toolbar-actions {
        width: 100%;
    }

    .fcm-toolbar-actions .fcm-btn {
        flex: 1;
    }

    .fcm-modes {
        grid-template-columns: 1fr 1fr;
    }
}