/* ============================================
   GICA Social Analytics — Frontend Public
   ============================================ */

:root {
    --gsa-azul-oscuro:   #1a3a6b;
    --gsa-naranja:       #f47920;
    --gsa-blanco:        #ffffff;
    --gsa-sombra-base:   rgba(26, 58, 107, 0.25);
    --gsa-sombra-hover:  rgba(26, 58, 107, 0.45);
    --gsa-btn-size:      46px;
    --gsa-btn-size-sm:   38px;
    --gsa-gap:           3px;
    --gsa-gap-sm:        6px;
    --gsa-transition:    0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* CONTENEDOR FLOTANTE */
.gsa-floating-wrapper {
    position: fixed;
    bottom: 20px;
    right: 6px;
    z-index: 999999;
    display: flex;
    flex-direction: column;
    gap: var(--gsa-gap);
    align-items: center;
}

/* BOTÓN BASE */
.gsa-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--gsa-btn-size);
    height: var(--gsa-btn-size);
    border-radius: 50%;
    color: var(--gsa-blanco) !important;
    text-decoration: none;
    box-shadow: 0 3px 10px var(--gsa-sombra-base);
    transition: transform var(--gsa-transition), box-shadow var(--gsa-transition);
    position: relative;
    outline: 3px solid transparent;
    outline-offset: 2px;
}

/* FOCUS */
.gsa-btn:focus-visible {
    outline-color: var(--gsa-naranja);
}

/* HOVER */
.gsa-btn:hover {
    transform: scale(1.15) translateY(-2px);
    box-shadow: 0 6px 18px var(--gsa-sombra-hover);
}

/* TOOLTIP */
.gsa-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gsa-azul-oscuro);
    color: var(--gsa-blanco);
    font-size: 11px;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-weight: 600;
    letter-spacing: 0.02em;
    white-space: nowrap;
    padding: 4px 9px;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    border-left: 3px solid var(--gsa-naranja);
}

.gsa-btn:hover::before {
    opacity: 1;
}

/* ÍCONO */
.gsa-btn i {
    font-size: 18px;
    line-height: 1;
    color: var(--gsa-blanco);
}

/* ANIMACIÓN DE ENTRADA ESCALONADA */
.gsa-btn {
    animation: gsaEntrada 0.35s ease both;
}

.gsa-btn:nth-child(1) { animation-delay: 0.05s; }
.gsa-btn:nth-child(2) { animation-delay: 0.10s; }
.gsa-btn:nth-child(3) { animation-delay: 0.15s; }
.gsa-btn:nth-child(4) { animation-delay: 0.20s; }
.gsa-btn:nth-child(5) { animation-delay: 0.25s; }
.gsa-btn:nth-child(6) { animation-delay: 0.30s; }

@keyframes gsaEntrada {
    from {
        opacity: 0;
        transform: translateX(16px) scale(0.8);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

/* RESPONSIVE MÓVIL */
@media (max-width: 768px) {
    .gsa-floating-wrapper {
        bottom: 14px;
        right: 10px;
        gap: var(--gsa-gap-sm);
    }

    .gsa-btn {
        width: var(--gsa-btn-size-sm);
        height: var(--gsa-btn-size-sm);
    }

    .gsa-btn i {
        font-size: 16px;
    }

    .gsa-btn::before {
        display: none;
    }
}

/* MOVIMIENTO REDUCIDO */
@media (prefers-reduced-motion: reduce) {
    .gsa-btn {
        animation: none;
        transition: none;
    }
}

/* MODO OSCURO */
@media (prefers-color-scheme: dark) {
    .gsa-btn::before {
        background: #1a3a6b;
        color: #ffffff;
        border-left-color: #f47920;
    }

    .gsa-btn {
        box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    }

    .gsa-btn:hover {
        box-shadow: 0 6px 18px rgba(0, 0, 0, 0.6);
    }
}