/* ============================================================
   Adivina Carta Simbolo (acs) - Estilos del juego de simbolos
   Namespace: .acs-app
   ============================================================ */

.acs-app {
    --acs-gradiente: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --acs-gradiente-ok: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --acs-gradiente-fail: linear-gradient(135deg, #cb2d3e 0%, #ef473a 100%);
    --acs-purpura: #8b5cf6;
    --acs-verde: #10b981;
    --acs-dorado: #f59e0b;
    --acs-rojo: #ef4444;
    --acs-azul: #3b82f6;
    --acs-sombra: 0 8px 25px rgba(139,92,246,0.22);
    --acs-radio: 16px;
    --acs-trans: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    max-width: 700px;
    margin: 0 auto;
}

.acs-fase { animation: acsFadeIn 0.5s ease; }
@keyframes acsFadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* Header */
.acs-header { text-align: center; margin-bottom: 2rem; }
.acs-titulo { font-size: 1.5rem; font-weight: 700; background: var(--acs-gradiente); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.4rem; }
.acs-subtitulo { opacity: 0.7; font-size: 0.95rem; }

/* Dificultad */
.acs-dificultad-box { margin-bottom: 1.5rem; }
.acs-dificultad-titulo { text-align: center; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; opacity: 0.8; }
.acs-dificultad-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }

.acs-btn-dificultad {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(139,92,246,0.18); border-radius: var(--acs-radio);
    padding: 1.2rem 1rem; cursor: pointer; color: #e2e8f0; text-align: center; transition: var(--acs-trans);
    display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.acs-btn-dificultad:hover { border-color: var(--acs-purpura); transform: translateY(-4px); box-shadow: var(--acs-sombra); background: rgba(139,92,246,0.06); }
.acs-dif-icon { font-size: 2rem; }
.acs-dif-nombre { font-weight: 700; font-size: 0.95rem; }
.acs-dif-desc { font-size: 0.72rem; opacity: 0.5; }

/* Error */
.acs-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.35); color: #fca5a5; padding: 1rem; border-radius: 12px; margin-top: 1rem; font-size: 0.9rem; text-align: center; }

/* Ronda header */
.acs-ronda-header { margin-bottom: 1.5rem; }
.acs-ronda-info { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.6rem; }
.acs-ronda-num { font-weight: 600; opacity: 0.8; }
.acs-ronda-score { font-weight: 700; color: var(--acs-dorado); }
.acs-progress-bar { height: 6px; background: rgba(255,255,255,0.08); border-radius: 3px; overflow: hidden; }
.acs-progress-fill { height: 100%; background: var(--acs-gradiente); border-radius: 3px; transition: width 0.4s ease; width: 0; }

/* Simbolo zone */
.acs-simbolo-zone { background: rgba(139,92,246,0.06); border: 1px solid rgba(139,92,246,0.2); border-radius: var(--acs-radio); padding: 2rem; text-align: center; margin-bottom: 1.5rem; min-height: 120px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; }
.acs-simbolo-display { position: relative; }
.acs-simb-grande { font-size: 5rem; filter: drop-shadow(0 4px 12px rgba(139,92,246,0.4)); }
.acs-simb-blur { font-size: 5rem; filter: blur(8px) drop-shadow(0 4px 12px rgba(139,92,246,0.4)); }
.acs-simb-velo { font-size: 5rem; opacity: 0.25; filter: blur(2px); }
.acs-velo { position: absolute; inset: 0; background: radial-gradient(circle, rgba(139,92,246,0.3) 0%, transparent 70%); border-radius: 50%; }
.acs-simb-energia { font-size: 3rem; animation: acsPulse 2s ease-in-out infinite; }
.acs-energia-texto { font-size: 0.85rem; opacity: 0.5; font-style: italic; margin-top: 0.5rem; }
@keyframes acsPulse { 0%,100% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.2); opacity: 1; } }

.acs-pista-texto { font-size: 0.85rem; opacity: 0.6; font-style: italic; }

/* Opciones grid */
.acs-opciones-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem; margin-bottom: 1rem; }
.acs-opcion-btn {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(139,92,246,0.18); border-radius: var(--acs-radio);
    padding: 1.2rem; cursor: pointer; color: #e2e8f0; text-align: center; transition: var(--acs-trans);
    font-size: 0.95rem; font-weight: 600;
}
.acs-opcion-btn:hover:not(:disabled) { border-color: var(--acs-purpura); transform: translateY(-3px); box-shadow: var(--acs-sombra); background: rgba(139,92,246,0.08); }
.acs-opcion-btn:disabled { cursor: default; opacity: 0.7; }
.acs-op-nombre { font-size: 0.85rem; }
.acs-opcion-btn.acs-op-correcta { border-color: var(--acs-verde); background: rgba(16,185,129,0.15); }
.acs-opcion-btn.acs-op-incorrecta { border-color: var(--acs-rojo); background: rgba(239,68,68,0.15); }

/* Feedback */
.acs-feedback { padding: 1rem 1.2rem; border-radius: 12px; text-align: center; font-weight: 500; font-size: 0.9rem; line-height: 1.5; }
.acs-fb-ok { background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.acs-fb-fail { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.25); color: #fca5a5; }

/* Resultado */
.acs-resultado-header { text-align: center; margin-bottom: 1.5rem; }
.acs-resultado-icon { font-size: 4rem; margin-bottom: 0.5rem; }
.acs-resultado-titulo { font-size: 1.5rem; font-weight: 700; background: var(--acs-gradiente); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 0.5rem; }
.acs-resultado-score { font-size: 1.1rem; opacity: 0.8; }
.acs-resultado-score span { font-weight: 700; color: var(--acs-dorado); }
.acs-resultado-mensaje { background: rgba(255,255,255,0.04); border: 1px solid rgba(139,92,246,0.15); border-radius: var(--acs-radio); padding: 1.2rem 1.5rem; margin-bottom: 1.2rem; }
.acs-resultado-mensaje p { opacity: 0.9; line-height: 1.6; margin-bottom: 0.5rem; }

/* Resumen */
.acs-resumen { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: center; margin-bottom: 1.5rem; }
.acs-res-item { display: flex; align-items: center; gap: 0.3rem; padding: 0.25rem 0.6rem; border-radius: 8px; font-size: 0.78rem; }
.acs-res-ok { background: rgba(16,185,129,0.12); }
.acs-res-fail { background: rgba(239,68,68,0.1); }
.acs-res-ronda { font-weight: 600; opacity: 0.6; }

/* Reinicio */
.acs-btn-reinicio { display: block; width: 100%; background: var(--acs-gradiente); border: none; padding: 0.9rem; border-radius: 30px; color: white; font-weight: 700; font-size: 1rem; cursor: pointer; transition: var(--acs-trans); }
.acs-btn-reinicio:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(139,92,246,0.4); }

/* Responsive */
@media (max-width: 480px) {
    .acs-dificultad-grid { grid-template-columns: 1fr; }
    .acs-opciones-grid { grid-template-columns: 1fr; }
    .acs-titulo { font-size: 1.3rem; }
    .acs-simb-grande, .acs-simb-blur, .acs-simb-velo { font-size: 3.5rem; }
}
@media (min-width: 481px) and (max-width: 768px) {
    .acs-dificultad-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-contrast: high) { .acs-btn-dificultad, .acs-opcion-btn { border: 2px solid white; } }
@media (prefers-reduced-motion: reduce) {
    .acs-fase { animation: none; }
    .acs-simb-energia { animation: none; }
}
@media print {
    .acs-btn-dificultad, .acs-opcion-btn, .acs-btn-reinicio { display: none; }
    .acs-resultado-mensaje { background: white; color: black; border: 1px solid #ccc; }
}