/* ==========================================================================
   Sophicly Memory Card Game v2.3.0
   Flip-to-match card grid with 3D CSS transitions.
   ========================================================================== */

.scmem-widget {
    --scmem-font: 'Proxima Soft', system-ui, -apple-system, sans-serif;
    --scmem-text: #f0f0f2;
    --scmem-text-muted: rgba(255,255,255,0.55);
    --scmem-bg: #1C1D1F;
    --scmem-card-bg: #2a2b2e;
    --scmem-card-front: linear-gradient(135deg, #5333ed 0%, #2c003e 100%);
    --scmem-card-border: rgba(255,255,255,0.08);
    --scmem-success: #1CD991;
    --scmem-error: #E74C3C;
    --scmem-accent: #51dacf;
    --scmem-purple: #5333ed;

    font-family: var(--scmem-font); max-width: 720px; margin: 24px auto;
    color: var(--scmem-text); -webkit-font-smoothing: antialiased;
    animation: scmemFadeIn 0.4s ease both;
}
.scmem-widget *, .scmem-widget *::before, .scmem-widget *::after { box-sizing: border-box; }
@keyframes scmemFadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

.scmem-title { font-size: 20px; font-weight: 600; margin-bottom: 16px; text-align: center; }

/* ── Stats Bar ────────────────────────────────────────────────────────── */

.scmem-stats {
    display: flex; justify-content: center; gap: 20px;
    margin-bottom: 16px; flex-wrap: wrap;
}
.scmem-stat { text-align: center; }
.scmem-stat-label {
    display: block; font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--scmem-text-muted); margin-bottom: 2px;
}
.scmem-stat-value {
    display: block; font-size: 18px; font-weight: 700;
    color: var(--scmem-text);
}
.scmem-stat--best .scmem-stat-value { color: var(--scmem-accent); font-size: 14px; }

/* ── Completion Banner ────────────────────────────────────────────────── */

.scmem-complete {
    text-align: center; padding: 16px 20px; border-radius: 12px;
    margin-bottom: 16px;
    background: rgba(28,217,145,0.1); border: 1px solid var(--scmem-success);
    animation: scmemFadeIn 0.4s ease both;
}
.scmem-complete-title {
    font-size: 20px; font-weight: 700; color: var(--scmem-success);
    margin-bottom: 4px;
}
.scmem-complete-stats { font-size: 14px; color: var(--scmem-text-muted); }

.scmem-status { display: block; margin-top: 6px; font-size: 13px; font-weight: 600; }
.scmem-status--saved { color: var(--scmem-success); }
.scmem-status--error { color: var(--scmem-error); }

/* ── Card Grid ────────────────────────────────────────────────────────── */

.scmem-grid {
    display: grid;
    grid-template-columns: repeat(var(--scmem-cols, 4), 1fr);
    gap: 10px;
    margin-bottom: 20px;
    perspective: 1000px;
}

/* ── Staggered entrance ───────────────────────────────────────────────── */

@keyframes scmemCardEnter {
    from { opacity: 0; transform: scale(0.85) rotateY(15deg); }
    to   { opacity: 1; transform: scale(1) rotateY(0); }
}
.scmem-card--entering {
    animation: scmemCardEnter 0.35s cubic-bezier(0.22, 0.61, 0.36, 1) both;
    animation-delay: var(--scmem-delay, 0ms);
}

/* ── Card ─────────────────────────────────────────────────────────────── */

.scmem-card {
    aspect-ratio: 3 / 4;
    cursor: pointer;
    perspective: 800px;
}

.scmem-card-inner {
    position: relative; width: 100%; height: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform-style: preserve-3d;
}

.scmem-card--flipped .scmem-card-inner {
    transform: rotateY(180deg);
}

.scmem-card-front, .scmem-card-back {
    position: absolute; inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 12px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 10px 8px;
    border: 2px solid var(--scmem-card-border);
}

/* Front face — the "?" side */
.scmem-card-front {
    background: var(--scmem-card-front);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.scmem-card-q {
    font-size: 32px; font-weight: 700;
    color: rgba(255,255,255,0.6);
}
.scmem-card:hover .scmem-card-front {
    box-shadow: 0 4px 16px rgba(83,51,237,0.4);
}
.scmem-card:active .scmem-card-front {
    transform: scale(0.96);
}

/* Back face — content side */
.scmem-card-back {
    background: var(--scmem-card-bg);
    transform: rotateY(180deg);
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.scmem-card-type {
    font-size: 9px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    padding: 2px 8px; border-radius: 10px;
    background: rgba(81,218,207,0.15); color: var(--scmem-accent);
}

.scmem-card-text {
    font-size: 12px; font-weight: 600; line-height: 1.35;
    text-align: center; color: var(--scmem-text);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

/* Matched state — each pair gets a unique colour */
.scmem-card--matched .scmem-card-back {
    border-color: var(--scmem-match-color, var(--scmem-success));
    background: color-mix(in srgb, var(--scmem-match-color, var(--scmem-success)) 12%, transparent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--scmem-match-color, var(--scmem-success)) 25%, transparent);
}
.scmem-card--matched {
    cursor: default;
    pointer-events: none;
}
.scmem-card--matched .scmem-card-type {
    background: color-mix(in srgb, var(--scmem-match-color, var(--scmem-success)) 18%, transparent);
    color: var(--scmem-match-color, var(--scmem-success));
}

/* Card type label - differentiate term vs definition */
.scmem-card-back .scmem-card-type[class] {
    flex-shrink: 0;
}

/* ── Action Buttons ───────────────────────────────────────────────────── */

.scmem-actions {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; flex-wrap: wrap;
}

.scmem-btn {
    padding: 8px 24px; border: none; border-radius: 24px;
    font-family: var(--scmem-font); font-size: 14px; font-weight: 600;
    cursor: pointer; transition: background 0.2s ease, transform 0.15s ease;
}
.scmem-btn:active { transform: scale(0.97); }
.scmem-btn--secondary { background: transparent; border: 1px solid var(--scmem-card-border); color: var(--scmem-text); }
.scmem-btn--secondary:hover { background: rgba(255,255,255,0.05); }

/* ── Light Theme ──────────────────────────────────────────────────────── */

html[data-theme="light"] .scmem-widget, html.light .scmem-widget {
    --scmem-text: #1a1a1e;
    --scmem-text-muted: rgba(0,0,0,0.5);
    --scmem-bg: #f5f5f7;
    --scmem-card-bg: #fff;
    --scmem-card-border: rgba(0,0,0,0.1);
    --scmem-card-front: linear-gradient(135deg, #5333ed 0%, #7c5ce7 100%);
}

/* ── Focus Mode ───────────────────────────────────────────────────────── */

.sophicly-focus-mode .scmem-widget { max-width: none; margin: 24px 0; }

/* ── Responsive ───────────────────────────────────────────────────────── */

@media (max-width: 540px) {
    .scmem-widget { margin: 16px 8px; }
    .scmem-grid { gap: 6px; --scmem-cols: 3 !important; }
    .scmem-card-q { font-size: 24px; }
    .scmem-card-text { font-size: 10px; -webkit-line-clamp: 4; }
    .scmem-card-type { font-size: 8px; }
    .scmem-stats { gap: 12px; }
    .scmem-stat-value { font-size: 15px; }
}

@media (max-width: 380px) {
    .scmem-grid { --scmem-cols: 2 !important; }
}

@media (prefers-reduced-motion: reduce) {
    .scmem-widget *, .scmem-widget *::before, .scmem-widget *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}