* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
    color: white;
}

/* Pantalla de carga */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-container {
    text-align: center;
}

.loader {
    border: 8px solid rgba(255, 255, 255, 0.2);
    border-top: 8px solid white;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    animation: spin 1s linear infinite;
    margin: 0 auto 30px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-container h2 {
    font-size: 2em;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

#loading-progress {
    font-size: 1.5em;
    font-weight: bold;
    opacity: 0.9;
}

#info {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 100;
    background: rgba(0, 0, 0, 0.3);
    padding: 20px 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

#info h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

#info p {
    font-size: 1.1em;
    opacity: 0.9;
}

#container {
    width: 100vw;
    height: 100vh;
}

canvas {
    display: block;
    cursor: pointer;
}

/* Preview del link en hover */
#link-preview {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#link-preview.show {
    opacity: 1;
}

/* Tooltip para mostrar información al hover */
#tooltip {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
}

#tooltip.show {
    opacity: 1;
}