@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

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

body {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    font-family: 'Arial', sans-serif;
    background: #001a33;
}

#canvas-container {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#feed-button {
    position: fixed;
    bottom: 41px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;

    padding: 15px 48px;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
    color: white;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.5),
        0 1px 3px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);

    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

#feed-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.25s ease;
}

#feed-button:hover {
    transform: translateX(-50%) translateY(-2px);
    background: rgba(0, 0, 0, 0.95);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.6),
        0 4px 12px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

#feed-button:hover::before {
    opacity: 1;
}

#feed-button:active {
    transform: translateX(-50%) translateY(0px);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.4),
        0 1px 3px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

#feed-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
}

#feed-button:disabled:hover {
    transform: translateX(-50%);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.5),
        0 1px 3px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

#portfolio-button {
    position: fixed;
    bottom: 42px;
    right: 40px;
    z-index: 100;

    padding: 16px 36px;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.2;
    color: white;
    background: transparent;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

#portfolio-button:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

#portfolio-button:active {
    transform: translateY(0px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Responsive Design - Mobile */
@media (max-width: 768px) {
    #feed-button {
        bottom: 100px;
        font-size: 14px;
        padding: 16px 40px;
        line-height: 1.2;
    }

    #portfolio-button {
        bottom: 30px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        font-size: 12px;
        padding: 16px 28px;
        letter-spacing: 1px;
        line-height: 1.2;
    }

    #portfolio-button:hover {
        transform: translateX(-50%) translateY(-2px);
    }

    #portfolio-button:active {
        transform: translateX(-50%) translateY(0px);
    }
}