/* CLEAN SMOOTH ECG WAVE ONLY */
.clean-ecg-container {
    width: 100%;
    height: 40px;
    margin: 8px auto;
    position: relative;
    overflow: hidden;
}

.clean-ecg {
    width: 100%;
    height: 100%;
}

.ecg-smooth-wave {
    stroke: var(--gold-accent);
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: smoothDraw 4s linear infinite;
    filter: drop-shadow(0 0 2px rgba(255, 215, 0, 0.4));
}

.ecg-glow {
    stroke: rgba(255, 215, 0, 0.3);
    stroke-width: 4;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: smoothDraw 4s linear infinite;
    filter: blur(2px);
    opacity: 0.5;
}

.ecg-smooth-dot {
    fill: #ff3366;
    filter: drop-shadow(0 0 3px #ff3366) drop-shadow(0 0 6px rgba(255, 51, 102, 0.6));
    opacity: 0.9;
}

/* Infinite seamless animation */
@keyframes smoothDraw {
    0% {
        stroke-dashoffset: 1000;
    }

    100% {
        stroke-dashoffset: 0;
    }
}

/* Create seamless loop effect */
.clean-ecg-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.05) 10%, transparent 30%, transparent 90%, rgba(255, 215, 0, 0.05) 95%, transparent 100%);
    animation: seamlessLoop 4s linear infinite;
    z-index: 2;
    pointer-events: none;
}

@keyframes seamlessLoop {
    0% {
        transform: translateX(-100%);
        opacity: 0.3;
    }

    10% {
        opacity: 0.5;
    }

    90% {
        opacity: 0.5;
    }

    100% {
        transform: translateX(100%);
        opacity: 0.3;
    }
}

@keyframes heartPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }

    25% {
        transform: scale(1.02);
        opacity: 0.95;
    }

    50% {
        transform: scale(1);
        opacity: 1;
    }

    75% {
        transform: scale(0.98);
        opacity: 0.95;
    }
}

.clean-ecg-container {
    animation: heartPulse 4s ease-in-out infinite;
}

/* Make it ultra smooth with CSS will-change */
.ecg-smooth-wave,
.ecg-glow,
.ecg-smooth-dot {
    will-change: transform, stroke-dashoffset;
}

/* Responsive */
@media (max-width: 768px) {
    .clean-ecg-container {
        width: 100%;
        height: 40px;
        margin: 6px auto;
    }

    .ecg-smooth-wave {
        stroke-width: 1.8;
    }

    .ecg-glow {
        stroke-width: 3;
    }
}

@media (max-width: 480px) {
    .clean-ecg-container {
        width: 100%;
        height: 30px;
        margin: 5px auto;
    }

    .ecg-smooth-wave {
        stroke-width: 1.5;
    }

    .ecg-glow {
        stroke-width: 2.5;
    }

    .ecg-smooth-dot {
        r: 2;
    }
}

/* Optimize for performance */
.clean-ecg-container {
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
}