/* ═══════════════════════════════════════════════════
   card.css — Flashcards · Área Pessoal
═══════════════════════════════════════════════════ */

.panel-cards {
    display: flex;
    flex-direction: column;
    gap: .9rem;
    animation: ckFadeUp .38s ease both;
    max-width: 760px;
    margin: 0 auto;
    width: 100%;
    padding: .25rem 0 1.5rem;
}

@keyframes ckFadeUp {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Controles ─────────────────────────────────── */
.cards-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
}
.cards-stats { display: flex; gap: .4rem; align-items: center; }

.cards-stat-chip {
    display: flex; align-items: center; gap: 5px;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: .7rem; font-weight: 600;
}
.cards-stat-chip.correct {
    background: rgba(16,185,129,.1);
    border: 1px solid rgba(16,185,129,.25);
    color: #34d399;
}
.cards-stat-chip.wrong {
    background: rgba(239,68,68,.08);
    border: 1px solid rgba(239,68,68,.22);
    color: #f87171;
}
.cards-stat-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

.cards-actions { display: flex; gap: .35rem; }
.cards-ctrl-btn {
    width: 30px; height: 30px;
    border: 1px solid rgba(255,255,255,.09);
    background: rgba(255,255,255,.04);
    border-radius: 8px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.38); font-size: .72rem;
    transition: all .2s; font-family: inherit;
}
.cards-ctrl-btn:hover {
    background: rgba(255,255,255,.09);
    border-color: rgba(255,255,255,.18);
    color: rgba(255,255,255,.78);
}

/* ── Progresso ─────────────────────────────────── */
.cards-progress-wrap { display: flex; flex-direction: column; gap: 6px; }

.cards-progress-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.cards-progress-bar-bg {
    height: 4px; background: rgba(255,255,255,.07);
    border-radius: 99px; overflow: hidden;
}
.cards-progress-bar-fill {
    height: 100%; border-radius: 99px;
    background: linear-gradient(90deg, #7c3aed, #a78bfa);
    transition: width .55s cubic-bezier(.4,0,.2,1);
}
.cards-progress-label {
    font-size: .65rem; color: rgba(255,255,255,.50);
}
.cards-progress-counter {
    font-size: .65rem; color: rgba(255,255,255,.60); font-weight: 600;
}

/* ── Dots ──────────────────────────────────────── */
.cards-dots-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
    padding: 2px 0;
}
.cards-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.06);
    cursor: pointer;
    transition: all .2s;
    flex-shrink: 0;
    padding: 0;
}
.cards-dot.dot-active {
    width: 20px;
    border-radius: 99px;
    background: rgba(124,58,237,.6);
    border-color: rgba(124,58,237,.8);
}
.cards-dot.dot-correct {
    background: rgba(16,185,129,.55);
    border-color: rgba(16,185,129,.8);
}
.cards-dot.dot-wrong {
    background: rgba(239,68,68,.55);
    border-color: rgba(239,68,68,.8);
}

/* ══════════════════════════════════════════════════
   CENA 3D
══════════════════════════════════════════════════ */
.cards-scene {
    perspective: 1200px;
    cursor: pointer;
    position: relative;
    user-select: none;
    height: clamp(340px, 46vh, 460px);
    transition: filter .3s ease;
}
.cards-flipper {
    width: 100%; height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform .55s cubic-bezier(.4,0,.2,1);
}
.cards-flipper.flipped { transform: rotateY(180deg); }

/* ── Faces ─────────────────────────────────────── */
.cards-face {
    position: absolute; inset: 0;
    backface-visibility: hidden;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,.11);
    box-shadow:
        0 0 0 1px rgba(255,255,255,.04) inset,
        0 8px 32px rgba(0,0,0,.35),
        0 2px 8px  rgba(0,0,0,.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 2.4rem 3rem 2rem;
    text-align: center;
    overflow: hidden;
    transition: border-color .35s ease, box-shadow .35s ease;
}

/* ── Frente ────────────────────────────────────── */
.cards-front { background: rgba(18,18,28,.72); }

.cards-front::before {
    content: ''; position: absolute; bottom: -60px; left: 50%;
    transform: translateX(-50%);
    width: 420px; height: 210px;
    background: radial-gradient(ellipse, rgba(124,58,237,.09) 0%, transparent 70%);
    pointer-events: none;
}
.cards-front::after {
    content: ''; position: absolute; top: -60px; right: -50px;
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(124,58,237,.06) 0%, transparent 70%);
    pointer-events: none;
}

.panel-cards[data-disc="design"] .cards-front::before { background: radial-gradient(ellipse, rgba(212,83,126,.11) 0%, transparent 70%); }
.panel-cards[data-disc="design"] .cards-front::after  { background: radial-gradient(circle,  rgba(212,83,126,.07) 0%, transparent 70%); }
.panel-cards[data-disc="banco"]  .cards-front::before { background: radial-gradient(ellipse, rgba(55,138,221,.11)  0%, transparent 70%); }
.panel-cards[data-disc="banco"]  .cards-front::after  { background: radial-gradient(circle,  rgba(55,138,221,.07)  0%, transparent 70%); }
.panel-cards[data-disc="redes"]  .cards-front::before { background: radial-gradient(ellipse, rgba(168,85,247,.11)  0%, transparent 70%); }
.panel-cards[data-disc="redes"]  .cards-front::after  { background: radial-gradient(circle,  rgba(168,85,247,.07)  0%, transparent 70%); }
.panel-cards[data-disc="poo"]    .cards-front::before { background: radial-gradient(ellipse, rgba(245,184,76,.11)  0%, transparent 70%); }
.panel-cards[data-disc="poo"]    .cards-front::after  { background: radial-gradient(circle,  rgba(245,184,76,.07)  0%, transparent 70%); }

/* ══════════════════════════════════════════════════
   CARD RESPONDIDO — borda colorida em AMBAS as faces
══════════════════════════════════════════════════ */
.card-answered-correct .cards-face {
    border-color: rgba(16,185,129,.45);
    box-shadow:
        0 0 0 1px rgba(16,185,129,.12) inset,
        0 8px 32px rgba(0,0,0,.35),
        0 0 24px rgba(16,185,129,.12);
}
.card-answered-wrong .cards-face {
    border-color: rgba(239,68,68,.42);
    box-shadow:
        0 0 0 1px rgba(239,68,68,.1) inset,
        0 8px 32px rgba(0,0,0,.35),
        0 0 24px rgba(239,68,68,.1);
}

/* ── Verso ─────────────────────────────────────── */
.cards-back {
    background: rgba(14,20,18,.75);
    transform: rotateY(180deg);
}
.cards-back::before {
    content: ''; position: absolute; top: -60px; left: 50%;
    transform: translateX(-50%);
    width: 460px; height: 220px;
    background: radial-gradient(ellipse, rgba(16,185,129,.08) 0%, transparent 70%);
    pointer-events: none;
}

/* ══════════════════════════════════════════════════
   BADGE DE VISUALIZAÇÕES
══════════════════════════════════════════════════ */
.cards-viz-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 99px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    color: rgba(255,255,255,.38);
    font-size: .65rem;
    font-weight: 600;
    z-index: 3;
    pointer-events: none;
    transition: all .2s;
    animation: badgePop .3s cubic-bezier(.34,1.56,.64,1) both;
}
.cards-viz-badge i { font-size: .58rem; }

.cards-viz-badge.viz-dominado {
    background: rgba(245,184,76,.12);
    border-color: rgba(245,184,76,.30);
    color: #fbbf24;
}

/* ══════════════════════════════════════════════════
   BADGE DE DOMINADO
══════════════════════════════════════════════════ */
.cards-dominado-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(245,184,76,.15);
    border: 1px solid rgba(245,184,76,.40);
    color: #fbbf24;
    font-size: .62rem;
    z-index: 3;
    pointer-events: none;
    animation: badgePop .35s cubic-bezier(.34,1.56,.64,1) both;
}

/* ══════════════════════════════════════════════════
   BADGE DE PENALIDADE
   Canto inferior esquerdo — com tooltip customizado
══════════════════════════════════════════════════ */
.cards-penalidade-badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(239,68,68,.14);
    border: 1px solid rgba(239,68,68,.38);
    color: #f87171;
    font-size: .58rem;
    z-index: 10;
    cursor: default;
    animation: badgePop .35s cubic-bezier(.34,1.56,.64,1) both;
    /* overflow visível garantido por estar fora da cards-face */
}
.cards-penalidade-badge.penalidade-leve {
    background: rgba(245,184,76,.12);
    border-color: rgba(245,184,76,.36);
    color: #fbbf24;
}

/* ── Tooltip customizado ───────────────────────── */
.cards-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) scale(.92);
    background: rgba(15, 15, 25, .97);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
    padding: 10px 13px;
    min-width: 210px;
    max-width: 250px;
    text-align: left;
    pointer-events: none;
    opacity: 0;
    transition: opacity .18s ease, transform .18s ease;
    z-index: 50;
    box-shadow: 0 8px 28px rgba(0,0,0,.55);
    white-space: normal;
}

.cards-tooltip.tooltip-visible {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

/* Setinha embaixo do tooltip */
.cards-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(255,255,255,.12);
}

.cards-tooltip-title {
    font-size: .68rem;
    font-weight: 700;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: 'DM Sans', sans-serif;
}

.cards-tooltip-body {
    font-size: .63rem;
    color: rgba(255,255,255,.52);
    line-height: 1.6;
    font-family: 'DM Sans', sans-serif;
}

.cards-tooltip-body strong {
    font-weight: 700;
}

/* ── Tag ───────────────────────────────────────── */
.cards-tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 11px; border-radius: 99px;
    font-size: .6rem; font-weight: 700; letter-spacing: 1.2px;
    text-transform: uppercase; margin-bottom: 1.1rem;
    position: relative; z-index: 1;
}
.cards-tag.tag-design { border: 1px solid rgba(212,83,126,.4); background: rgba(212,83,126,.12); color: #e785b0; }
.cards-tag.tag-banco  { border: 1px solid rgba(55,138,221,.4);  background: rgba(55,138,221,.12);  color: #60aef5; }
.cards-tag.tag-redes  { border: 1px solid rgba(168,85,247,.4);  background: rgba(168,85,247,.12);  color: #c084fc; }
.cards-tag.tag-poo    { border: 1px solid rgba(245,184,76,.4);  background: rgba(245,184,76,.12);  color: #fbbf24; }

/* ── Pergunta ──────────────────────────────────── */
.cards-question {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.05rem, 1.9vw, 1.28rem);
    font-weight: 700;
    line-height: 1.48;
    color: rgba(255,255,255,.95);
    position: relative; z-index: 1;
    margin-bottom: .85rem;
    letter-spacing: -.02em;
    max-width: 560px;
}

.cards-hint {
    font-size: .67rem; color: rgba(255,255,255,.60);
    position: relative; z-index: 1;
    display: flex; align-items: center; gap: 5px;
    transition: opacity .3s;
}
.cards-hint i { font-size: .6rem; }

/* ══════════════════════════════════════════════════
   BADGE DE RESULTADO
══════════════════════════════════════════════════ */
.cards-result-badge {
    display: none;
    align-items: center;
    gap: 6px;
    margin-top: 1rem;
    padding: 6px 20px;
    border-radius: 99px;
    font-family: 'DM Sans', sans-serif;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .04em;
    position: relative;
    z-index: 2;
    animation: badgePop .3s cubic-bezier(.34,1.56,.64,1) both;
}

@keyframes badgePop {
    from { opacity: 0; transform: scale(.75); }
    to   { opacity: 1; transform: scale(1); }
}

.cards-result-badge.result-correct {
    background: rgba(16,185,129,.18);
    border: 1px solid rgba(16,185,129,.45);
    color: #34d399;
}
.cards-result-badge.result-wrong {
    background: rgba(239,68,68,.15);
    border: 1px solid rgba(239,68,68,.42);
    color: #f87171;
}

/* ── Verso: inner ──────────────────────────────── */
.cards-back-inner {
    display: flex; flex-direction: column;
    align-items: center; gap: .85rem;
    position: relative; z-index: 1;
    max-width: 560px; width: 100%;
}
.cards-answer {
    font-size: .88rem; line-height: 1.74;
    color: rgba(255,255,255,.74);
    text-align: left; width: 100%;
}
.cards-answer strong { color: #34d399; font-weight: 600; }

/* ── Badge de dificuldade (dentro do verso) ────── */
.cards-diff-badge-wrap {
    display: none;
    justify-content: center;
    align-items: center;
    width: 100%;
}
.cards-diff-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 20px;
    border-radius: 99px;
    font-family: 'DM Sans', sans-serif;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    animation: badgePop .28s cubic-bezier(.34,1.56,.64,1) both;
}
.cards-diff-badge.badge-easy   { background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.4); color: #34d399; }
.cards-diff-badge.badge-medium { background: rgba(245,184,76,.14); border: 1px solid rgba(245,184,76,.4); color: #fbbf24; }
.cards-diff-badge.badge-hard   { background: rgba(239,68,68,.13);  border: 1px solid rgba(239,68,68,.38); color: #f87171; }

/* ── Botões de dificuldade ─────────────────────── */
.cards-difficulty {
    display: flex; align-items: center;
    gap: .45rem; flex-wrap: wrap; justify-content: center;
    padding-top: .75rem;
    border-top: 1px solid rgba(255,255,255,.07);
    width: 100%;
}
.cards-diff-label {
    font-size: .8rem; color: rgba(255,255,255,.70);
    letter-spacing: .07em; text-transform: uppercase;
    width: 100%; text-align: center; margin-bottom: .1rem;
}
.cards-diff-btn {
    padding: 5px 16px; border-radius: 99px; border: 1px solid;
    font-family: 'DM Sans', sans-serif;
    font-size: .72rem; font-weight: 600;
    cursor: pointer; transition: all .2s;
    background: transparent; letter-spacing: .02em;
}
.cards-diff-btn.easy   { border-color: rgba(16,185,129,.35);  color: #34d399; }
.cards-diff-btn.medium { border-color: rgba(245,184,76,.35);  color: #fbbf24; }
.cards-diff-btn.hard   { border-color: rgba(239,68,68,.35);   color: #f87171; }
.cards-diff-btn:hover  { transform: scale(1.05); color: #000 !important; }
.cards-diff-btn.easy:hover,   .cards-diff-btn.easy.selected   { background: #34d399; border-color: #34d399; color: #000 !important; }
.cards-diff-btn.medium:hover, .cards-diff-btn.medium.selected { background: #fbbf24; border-color: #fbbf24; color: #000 !important; }
.cards-diff-btn.hard:hover,   .cards-diff-btn.hard.selected   { background: #f87171; border-color: #f87171; color: #000 !important; }

/* ══════════════════════════════════════════════════
   BOTÕES ERREI / ACERTEI
══════════════════════════════════════════════════ */
.cards-bottom {
    display: flex;
    flex-direction: column;
    gap: .48rem;
}

.cards-result-btns { display: flex; gap: .5rem; }

.cards-result-btn {
    flex: 1;
    padding: .62rem .9rem;
    border-radius: 11px; border: 1px solid;
    font-family: 'DM Sans', sans-serif;
    font-size: .82rem; font-weight: 600;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 7px;
    transition: all .22s;
    white-space: nowrap;
}

.cards-btn-wrong {
    background: rgba(239,68,68,.09);
    border-color: rgba(239,68,68,.3);
    color: #f87171;
}
.cards-btn-wrong:hover,
.cards-btn-wrong.btn-selected-wrong {
    background: rgba(239,68,68,.22);
    border-color: rgba(239,68,68,.65);
    box-shadow: 0 0 18px rgba(239,68,68,.25);
    color: #fca5a5;
}

.cards-btn-right {
    background: rgba(16,185,129,.09);
    border-color: rgba(16,185,129,.28);
    color: #34d399;
}
.cards-btn-right:hover,
.cards-btn-right.btn-selected-right {
    background: rgba(16,185,129,.22);
    border-color: rgba(16,185,129,.65);
    box-shadow: 0 0 18px rgba(16,185,129,.25);
    color: #6ee7b7;
}

/* ── Navegação ─────────────────────────────────── */
.cards-nav {
    display: flex; align-items: center;
    gap: .5rem; justify-content: center;
}
.cards-nav-btn {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 0.31rem 0.45rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 11px; color: rgba(255,255,255,.45);
    font-family: 'DM Sans', sans-serif; font-size: .75rem; font-weight: 600;
    cursor: pointer; transition: all .2s; white-space: nowrap;
    flex: 1;
}
.cards-nav-btn:hover:not(:disabled) {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.18);
    color: rgba(255,255,255,.82);
}
.cards-nav-btn:disabled { opacity: .2; cursor: not-allowed; }

.cards-nav-counter {
    padding: .62rem .9rem;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 11px; font-size: .78rem; font-weight: 600;
    color: rgba(255,255,255,.55);
    min-width: 72px; text-align: center; white-space: nowrap;
    flex-shrink: 0;
}

/* ══════════════════════════════════════════════════
   CARD FINAL
══════════════════════════════════════════════════ */
.cards-finish-scene {
    min-height: clamp(340px, 46vh, 460px);
    display: flex;
    align-items: stretch;
}

.cards-finish-card {
    flex: 1;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    background: rgba(18,18,28,.72);
    border-radius: 16px;
    border: 1px solid rgba(124,58,237,.35);
    box-shadow:
        0 0 0 1px rgba(124,58,237,.08) inset,
        0 8px 32px rgba(0,0,0,.35),
        0 0 32px rgba(124,58,237,.1);
    padding: 2.4rem 3rem 2rem;
    text-align: center;
    gap: 1.1rem;
    animation: ckFadeUp .38s ease both;
    overflow: hidden;
    position: relative;
}

.cards-finish-card::before {
    content: '';
    position: absolute; bottom: -60px; left: 50%;
    transform: translateX(-50%);
    width: 460px; height: 210px;
    background: radial-gradient(ellipse, rgba(124,58,237,.1) 0%, transparent 70%);
    pointer-events: none;
}

.finish-icon { font-size: 2.2rem; display: block; margin-bottom: .2rem; }

.finish-title {
    font-family: 'DM Sans', sans-serif;
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 700;
    color: rgba(255,255,255,.95);
    letter-spacing: -.02em;
}

.finish-subtitle {
    font-size: .72rem;
    color: rgba(255,255,255,.38);
    margin-top: .35rem;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.finish-stats {
    display: flex;
    gap: .5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.finish-chip {
    padding: 6px 16px;
    border-radius: 99px;
    font-family: 'DM Sans', sans-serif;
    font-size: .75rem;
    font-weight: 700;
}
.finish-chip.correct { background: rgba(16,185,129,.15); border: 1px solid rgba(16,185,129,.35); color: #34d399; }
.finish-chip.wrong   { background: rgba(239,68,68,.12);  border: 1px solid rgba(239,68,68,.3);  color: #f87171; }
.finish-chip.total   { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.55); }
.finish-chip.dominado  { background: rgba(245,184,76,.13); border: 1px solid rgba(245,184,76,.35); color: #fbbf24; }
.finish-chip.penalidade { background: rgba(239,68,68,.10); border: 1px solid rgba(239,68,68,.28); color: #f87171; font-size: .70rem; }

.finish-diff-section { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.finish-diff-label { font-size: .6rem; color: rgba(255,255,255,.28); text-transform: uppercase; letter-spacing: .07em; }
.finish-diff-row { display: flex; gap: .4rem; flex-wrap: wrap; justify-content: center; }

.finish-diff-item {
    font-size: .68rem; padding: 4px 13px; border-radius: 99px;
    font-family: 'DM Sans', sans-serif; font-weight: 700;
}
.finish-diff-item.easy   { background: rgba(16,185,129,.1);  border: 1px solid rgba(16,185,129,.25);  color: #34d399; }
.finish-diff-item.medium { background: rgba(245,184,76,.1);  border: 1px solid rgba(245,184,76,.25);  color: #fbbf24; }
.finish-diff-item.hard   { background: rgba(239,68,68,.09);  border: 1px solid rgba(239,68,68,.22);   color: #f87171; }

.finish-sr-status {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 20px; border-radius: 10px;
    background: rgba(124,58,237,.08); border: 1px solid rgba(124,58,237,.18);
    font-size: .72rem; color: rgba(255,255,255,.55);
    width: 100%; max-width: 320px;
}
.finish-sr-status i { color: #a78bfa; font-size: .75rem; margin-bottom: 2px; }
.finish-sr-status span:first-of-type { color: rgba(255,255,255,.75); font-weight: 600; font-size: .78rem; }
.finish-sr-next { font-size: .67rem; color: rgba(255,255,255,.38); }

.finish-restart-btn {
    display: flex; align-items: center; gap: 7px;
    padding: .55rem 1.6rem; border-radius: 99px;
    background: rgba(124,58,237,.18); border: 1px solid rgba(124,58,237,.4);
    color: #a78bfa; font-family: 'DM Sans', sans-serif;
    font-size: .8rem; font-weight: 600; cursor: pointer; transition: all .2s; margin-top: .2rem;
}
.finish-restart-btn:hover { background: rgba(124,58,237,.32); border-color: rgba(124,58,237,.6); }

/* ── Vazio ─────────────────────────────────────── */
.cards-empty { text-align: center; padding: 3.5rem 1rem; color: rgba(255,255,255,.22); }
.cards-empty i { font-size: 2rem; margin-bottom: .7rem; display: block; }
.cards-empty p { font-size: .82rem; }

/* ── Responsivo ────────────────────────────────── */
@media (max-width: 600px) {
    .cards-face              { padding: 1.5rem 1.2rem 1.3rem; }
    .cards-scene             { height: clamp(280px, 48vw, 360px); }
    .cards-finish-scene      { height: clamp(300px, 50vw, 400px); }
    .cards-result-btn        { padding: .55rem .6rem; font-size: .76rem; }
    .cards-diff-btn          { font-size: .67rem; padding: 4px 11px; }
    .cards-finish-card       { padding: 1.5rem 1.2rem; }
    .cards-viz-badge         { top: 10px; right: 10px; font-size: .6rem; padding: 3px 8px; }
    .cards-dominado-badge    { top: 10px; left: 10px; width: 22px; height: 22px; font-size: .55rem; }
    .cards-penalidade-badge  { bottom: 10px; left: 10px; width: 20px; height: 20px; font-size: .52rem; }
    .cards-tooltip           { min-width: 180px; max-width: 200px; font-size: .6rem; }
}

/* ═══════════════════════════════════════════════════
   card.css — ADIÇÕES (melhorias 1–5)
   Adicione este bloco ao final do card.css existente
═══════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════
   FIX 4 — Animação de entrada do card
   .card-enter-next  → slide vindo da direita
   .card-enter-prev  → slide vindo da esquerda
══════════════════════════════════════════════════ */
@keyframes cardEnterNext {
    from { opacity: 0; transform: translateX(40px) scale(.97); }
    to   { opacity: 1; transform: translateX(0)    scale(1); }
}
@keyframes cardEnterPrev {
    from { opacity: 0; transform: translateX(-40px) scale(.97); }
    to   { opacity: 1; transform: translateX(0)     scale(1); }
}

.card-enter-next {
    animation: cardEnterNext .32s cubic-bezier(.22,1,.36,1) both;
}
.card-enter-prev {
    animation: cardEnterPrev .32s cubic-bezier(.22,1,.36,1) both;
}


/* ══════════════════════════════════════════════════
   FIX 1 — Toast de desfazer
══════════════════════════════════════════════════ */
.cards-undo-toast {
    position: absolute;
    bottom: -48px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: rgba(124,58,237,.18);
    border: 1px solid rgba(124,58,237,.38);
    color: #a78bfa;
    padding: 6px 18px;
    border-radius: 99px;
    font-size: .72rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 20;
    font-family: 'DM Sans', sans-serif;
}

.cards-undo-toast.undo-toast-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    animation: undoToastOut 2s ease forwards;
}

@keyframes undoToastOut {
    0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
    70%  { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-6px); }
}

/* O panel-cards precisa de position: relative para o toast */
.panel-cards {
    position: relative;
}


/* ══════════════════════════════════════════════════
   FIX 2 — Painel de atalhos de teclado
══════════════════════════════════════════════════ */
.cards-kbd-panel {
    animation: ckFadeUp .22s ease both;
}

.kbd-panel-inner {
    background: rgba(18,18,28,.82);
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 12px;
    padding: .85rem 1rem;
    backdrop-filter: blur(10px);
}

.kbd-panel-title {
    font-size: .65rem;
    font-weight: 700;
    color: rgba(255,255,255,.35);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: .65rem;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'DM Sans', sans-serif;
}

.kbd-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: .35rem .8rem;
}

.kbd-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: .72rem;
    color: rgba(255,255,255,.45);
    font-family: 'DM Sans', sans-serif;
}

kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    padding: 2px 7px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    border-bottom-width: 2px;
    border-radius: 5px;
    font-size: .65rem;
    font-weight: 600;
    color: rgba(255,255,255,.55);
    font-family: 'DM Sans', sans-serif;
    flex-shrink: 0;
}

/* Botão de atalhos com estado ativo */
.cards-ctrl-btn.active {
    background: rgba(124,58,237,.15);
    border-color: rgba(124,58,237,.38);
    color: #a78bfa;
}

/* FIX 5 — botão desfazer desabilitado */
.cards-ctrl-btn:disabled {
    opacity: .2;
    cursor: not-allowed;
    pointer-events: none;
}


/* ══════════════════════════════════════════════════
   FIX 2 — Hint de atalho nos botões de dificuldade
══════════════════════════════════════════════════ */
.cards-diff-kbd-hint {
    font-size: .52rem;
    color: rgba(255,255,255,.18);
    letter-spacing: .06em;
    margin-left: 4px;
    font-weight: 500;
}


/* ══════════════════════════════════════════════════
   Responsivo — ajustes para as novidades
══════════════════════════════════════════════════ */
@media (max-width: 600px) {
    .kbd-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cards-ctrl-btn--kbd {
        display: none; /* em mobile, atalhos de teclado são menos relevantes */
    }
}