/* ═══════════════════════════════════════════════════════════
   SIGNARIO — components  v3.0
   Fondo animado + tarjetas holográficas 3D
═══════════════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════════════
   FONDO ANIMADO (inyectado por background.js)
══════════════════════════════════════════════════════════ */

.signario__bubbles {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.signario__bubble {
    position: absolute;
    width: 200vmax;
    height: 200vmax;
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0;
    will-change: transform, opacity;
    animation: signario-bubble 10s infinite;
}
.signario__bubble--1 { left: 68%; top: 35%;
    background: radial-gradient(circle, rgba(0,211,243,0.60) 0%, rgba(0,211,243,0.22) 40%, transparent 68%);
    animation-delay: 0s; }
.signario__bubble--2 { left: 16%; top: 78%;
    background: radial-gradient(circle, rgba(255,0,110,0.55) 0%, rgba(255,0,110,0.18) 40%, transparent 68%);
    animation-delay: -2.5s; }
.signario__bubble--3 { left: 46%; top: 12%;
    background: radial-gradient(circle, rgba(20,71,232,0.58) 0%, rgba(20,71,232,0.20) 40%, transparent 68%);
    animation-delay: -5s; }
.signario__bubble--4 { left: 28%; top: 58%;
    background: radial-gradient(circle, rgba(191,0,255,0.55) 0%, rgba(191,0,255,0.18) 40%, transparent 68%);
    animation-delay: -7.5s; }

@keyframes signario-bubble {
    0%   { transform: translate(-50%, -50%) scale(0);    opacity: 0;    }
    7%   { transform: translate(-50%, -50%) scale(0.02); opacity: 0.70; }
    45%  { transform: translate(-50%, -50%) scale(0.32); opacity: 0.70; }
    60%  { transform: translate(-50%, -50%) scale(0.36); opacity: 0;    }
    100% { transform: translate(-50%, -50%) scale(0);    opacity: 0;    }
}
.signario__gradient {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background:
        radial-gradient(circle 420px at 105%  -5%,  rgba(190,0,130,0.42) 0%, transparent 65%),
        radial-gradient(circle 380px at  -8% 108%,  rgba(0,160,130,0.38) 0%, transparent 60%),
        radial-gradient(ellipse 60% 45% at 50% 50%, rgba(110,30,200,0.18) 0%, transparent 70%);
}
.signario__grid {
    position: absolute; inset: 0; z-index: 0; pointer-events: none;
    background-image:
        linear-gradient(rgba(150,80,255,0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(150,80,255,0.055) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 30%, transparent 100%);
    mask-image:         radial-gradient(ellipse 85% 85% at 50% 50%, black 30%, transparent 100%);
}

/* ══════════════════════════════════════════════════════════
   TARJETA HOLOGRÁFICA
══════════════════════════════════════════════════════════ */

/* ── Cara frontal ─────────────────────────────────────── */
.sgn-holo__front {
    position: absolute;
    inset: 0;
    border-radius: 4px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(0,10,22,0.88) 0%, rgba(0,2,12,0.94) 100%);
    border: 1px solid var(--cc-38, rgba(0,211,243,0.38));
    box-shadow: 0 0 18px var(--cc-10, rgba(0,211,243,0.10));
    /* Sin transition: evita repaints CSS dentro del contexto 3D */
    /* pointer-events: none → el hit-testing 3D lo maneja solo .sgn-holo */
    pointer-events: none;
}

/* ── Cara trasera ─────────────────────────────────────── */
.sgn-holo__back {
    position: absolute;
    inset: 0;
    border-radius: 4px;
    transform: rotateY(180deg);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    background: linear-gradient(135deg, rgba(0,4,18,0.97) 0%, rgba(0,2,10,0.99) 100%);
    border: 1px solid var(--cc-18, rgba(0,211,243,0.18));
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;   /* sin hit-testing 3D en cara trasera */
}
.sgn-holo__back::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cc-05, rgba(0,211,243,0.05)) 1px, transparent 1px),
        linear-gradient(90deg, var(--cc-05, rgba(0,211,243,0.05)) 1px, transparent 1px);
    background-size: 20px 20px;
}
.sgn-holo__back::after {
    content: '\25C8'; /* ◈ */
    font-size: 22px;
    color: var(--cc);
    opacity: 0.32;
    text-shadow: 0 0 14px var(--cc);
    position: relative;
}

/* ── Bordes laterales: espesor 3D del cuerpo de la carta ── */
.sgn-holo__edge {
    position: absolute;
    background: linear-gradient(180deg,
        rgba(4, 10, 24, 0.98) 0%,
        rgba(2,  6, 16, 1.00) 100%
    );
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    pointer-events: none;   /* sin hit-testing 3D en los 4 bordes */
}
/* ─ Izquierda ─ */
.sgn-holo__edge--left {
    top: 0; bottom: 0;
    left: 0;
    width: 10px;
    transform-origin: left center;
    transform: rotateY(-90deg);
    border-top:    1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-bottom: 1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-left:   1px solid var(--cc-38, rgba(0,211,243,0.38));
    box-shadow: inset -2px 0 8px var(--cc-10, rgba(0,211,243,0.10));
}
/* ─ Derecha ─ */
.sgn-holo__edge--right {
    top: 0; bottom: 0;
    right: 0;
    width: 10px;
    transform-origin: right center;
    transform: rotateY(90deg);
    border-top:    1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-bottom: 1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-right:  1px solid var(--cc-38, rgba(0,211,243,0.38));
    box-shadow: inset 2px 0 8px var(--cc-10, rgba(0,211,243,0.10));
}
/* ─ Arriba ─ */
.sgn-holo__edge--top {
    top: 0; left: 0; right: 0;
    height: 10px;
    transform-origin: top center;
    transform: rotateX(90deg);
    border-left:  1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-right: 1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-top:   1px solid var(--cc-38, rgba(0,211,243,0.38));
    box-shadow: inset 0 -2px 8px var(--cc-10, rgba(0,211,243,0.10));
}
/* ─ Abajo ─ */
.sgn-holo__edge--bottom {
    bottom: 0; left: 0; right: 0;
    height: 10px;
    transform-origin: bottom center;
    transform: rotateX(-90deg);
    border-left:   1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-right:  1px solid var(--cc-18, rgba(0,211,243,0.18));
    border-bottom: 1px solid var(--cc-38, rgba(0,211,243,0.38));
    box-shadow: inset 0 2px 8px var(--cc-10, rgba(0,211,243,0.10));
}

/* ── Área de thumbnail (con grid) ─────────────────────── */
.sgn-holo__thumb {
    position: absolute;
    inset: 0;
    bottom: 36px;
    background: linear-gradient(135deg,
        var(--cc-18, rgba(0,211,243,0.13)) 0%,
        rgba(0,0,0,0) 55%,
        var(--cc-07, rgba(0,211,243,0.05)) 100%
    );
}
.sgn-holo__thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.72;
    display: block;
}
.sgn-holo__thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--cc-07, rgba(0,211,243,0.07)) 1px, transparent 1px),
        linear-gradient(90deg, var(--cc-07, rgba(0,211,243,0.07)) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
}

/* ── Scanlines ────────────────────────────────────────── */
.sgn-holo__scanlines {
    position: absolute;
    inset: 0;
    bottom: 36px;
    background-image: repeating-linear-gradient(
        0deg,
        transparent 0px, transparent 3px,
        rgba(0,211,243,0.022) 3px, rgba(0,211,243,0.022) 4px
    );
    pointer-events: none;
}

/* ── Esquinas HUD (4 brackets) ───────────────────────── */
.sgn-holo__corner {
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--cc);
    border-style: solid;
    opacity: 0.65;
    z-index: 2;
    pointer-events: none;
}
.sgn-holo__corner--tl { top: 5px;    left: 5px;    border-width: 1.5px 0 0 1.5px; }
.sgn-holo__corner--tr { top: 5px;    right: 5px;   border-width: 1.5px 1.5px 0 0; }
.sgn-holo__corner--bl { bottom: 42px; left: 5px;   border-width: 0 0 1.5px 1.5px; }
.sgn-holo__corner--br { bottom: 42px; right: 5px;  border-width: 0 1.5px 1.5px 0; }

/* ── Play icon (aparece en hover) ─────────────────────── */
.sgn-holo__play {
    position: absolute;
    inset: 0;
    bottom: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cc);
    opacity: 0;
    /* Sin transition: el cambio de opacity es instantáneo, sin costo dentro del contexto 3D */
    background: rgba(0,0,0,0.18);
    pointer-events: none;
}
.sgn-holo__play svg {
    display: block;
}
/* play icon siempre oculto — hover feedback lo da cluster-hover-frame */

/* ── Barra inferior: título + duración ───────────────── */
.sgn-holo__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 36px;
    padding: 0 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    background: rgba(0,0,0,0.65);
    border-top: 1px solid var(--cc-18, rgba(0,211,243,0.18));
}

/* ── Footer del cluster ───────────────────────────────── */
.cluster-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    padding: 8px 16px;
    border-radius: 3px;
    transition: background 0.2s;
}
.cluster-footer:hover {
    background: var(--cc-07, rgba(0,211,243,0.07));
}
.cluster-footer:hover .cluster-label {
    /* text-shadow eliminado: causa repaint en GPU integrada */
    opacity: 0.9;
}
.cluster-footer:hover .cluster-count {
    color: var(--cc);
    /* box-shadow eliminado: causa repaint en GPU integrada */
    border-color: var(--cc-38, rgba(0,211,243,0.38));
}

/* ── Flecha animada ───────────────────────────────────── */
.cluster-arrow {
    display: inline-block;
    animation: sgn-arrow-nudge 1.6s ease-in-out infinite;
    color: var(--cc);
    opacity: 0.6;
}
.cluster-footer:hover .cluster-arrow {
    opacity: 1;
    animation-duration: 0.7s;
    text-shadow: 0 0 8px var(--cc);
}
@keyframes sgn-arrow-nudge {
    0%, 100% { transform: translateX(0);   opacity: 0.45; }
    50%       { transform: translateX(4px); opacity: 0.90; }
}

/* ── Animación de entrada ─────────────────────────────── */
@keyframes signa-cluster-in {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
.signario-cluster                { animation: signa-cluster-in 0.45s ease-out both; }
.signario-cluster:nth-child(1)   { animation-delay: 0s;    }
.signario-cluster:nth-child(2)   { animation-delay: 0.10s; }
.signario-cluster:nth-child(3)   { animation-delay: 0.20s; }