/* ==========================================================================
   3D Skills Network Sphere Component Styles
   ========================================================================== */

.coverage-sphere-wrap {
    position: relative;
    width: 100%;
    height: clamp(440px, 68vh, 640px);
    overflow: hidden;
    cursor: grab;
    user-select: none;
    background: transparent;
}

.coverage-sphere-wrap:active {
    cursor: grabbing;
}

#sphere-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

#sphere-tags {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}
.sphere-tag {
    position: absolute;
    left: 0;
    top: 0;
    transform: translate(-50%, -50%);
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    white-space: nowrap;
    will-change: transform, opacity;
    transition: transform 120ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Major tags (special highlighted skills) */
.sphere-tag.is-major strong {
    font-family: var(--font-serif);
    font-size: clamp(0.7rem, 0.9vw, 0.82rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.95), 0 0 12px rgba(78, 165, 127, 0.4);
}

.sphere-tag.is-major span {
    font-family: var(--font-ui);
    font-size: clamp(0.5rem, 0.6vw, 0.56rem);
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #4ea57f; /* Glowing matte green */
    margin-top: 0.15rem;
    opacity: 0.95;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

/* Secondary tags (muted/auxiliary skills) */
.sphere-tag.is-secondary strong {
    font-family: var(--font-ui), var(--font-serif);
    font-size: clamp(0.58rem, 0.7vw, 0.68rem);
    font-weight: 400;
    letter-spacing: 0.08em;
    color: rgba(232, 221, 207, 0.45);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.9);
    transition: color 250ms ease, opacity 250ms ease;
}

.sphere-tag.is-secondary span {
    display: none; /* Secondary skills only show title, no subtitle, to reduce clutter */
}

/* Hover highlights */
.sphere-tag:hover {
    z-index: 9999 !important;
}

.sphere-tag.is-major:hover strong {
    color: #5cf2b4; /* Brighter neon-green highlight on hover */
    text-shadow: 0 0 15px rgba(92, 242, 180, 0.8), 0 2px 8px rgba(0,0,0,0.9);
}

.sphere-tag.is-secondary:hover strong {
    color: #ffffff;
    font-weight: 500;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8), 0 1px 4px rgba(0,0,0,0.9);
}

/* Dim other nodes when one is hovered */
.coverage-sphere-wrap.tag-hovered .sphere-tag:not(.is-hovered) {
    opacity: 0.15 !important;
}

/* ==========================================================================
   3D Skills Layout and Typography Refinements
   ========================================================================== */

/* Centered sphere and surrounding typography layout */
.coverage-layout-centered {
    position: relative;
    width: 100%;
    min-height: clamp(640px, 85vh, 800px) !important; /* Raised minimum height to prevent item collisions on low height viewports */
    display: flex;
    align-items: center;
    justify-content: center;
}

.coverage-layout-centered .coverage-sphere-wrap {
    width: clamp(360px, 48vh, 520px) !important; /* Scaled down slightly to prevent overlapping text */
    height: clamp(360px, 48vh, 520px) !important;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.coverage-kicker {
    display: inline-block;
    font-family: var(--font-ui), sans-serif;
    font-size: var(--fs-body-xs);
    font-weight: 500;
    color: #4ea57f; /* Matte Green */
    letter-spacing: 0.28em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
}

.coverage-title-new {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.2vw, 1.85rem);
    font-weight: 400;
    color: var(--text);
    letter-spacing: 0.06em;
    margin: 0 0 1.2rem;
    line-height: 1.3;
}

.coverage-desc-new {
    font-family: var(--font-ui), sans-serif;
    font-size: var(--fs-body-sm);
    line-height: 1.85;
    letter-spacing: 0.03em;
    color: var(--text-soft);
    margin: 0;
}

.legend-group h4 {
    font-family: var(--font-serif);
    font-size: clamp(0.78rem, 1vw, 0.88rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text);
    margin: 0 0 0.45rem;
}

.legend-group p {
    font-family: var(--font-ui), sans-serif;
    font-size: clamp(0.64rem, 0.72vw, 0.72rem);
    line-height: 1.75;
    letter-spacing: 0.025em;
    color: var(--text-soft);
    margin: 0;
    opacity: 0.85;
}

.coverage-tips {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    background: rgba(78, 165, 127, 0.03);
    border: 1px solid rgba(78, 165, 127, 0.08);
}

.coverage-tips .tip-icon {
    color: #4ea57f;
    font-size: 0.8rem;
    margin-top: 0.05rem;
    animation: tipSpin 8s linear infinite;
}

.coverage-tips .tip-text {
    font-family: var(--font-ui), sans-serif;
    font-size: clamp(0.6rem, 0.7vw, 0.68rem);
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: rgba(232, 221, 207, 0.55);
}

@keyframes tipSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Absolute positioned blocks on desktop */
@media (min-width: 1025px) {
    .coverage-panel {
        padding: 2.5rem 2.5rem 3.5rem; /* slightly tighter padding to fit absolute blocks */
    }
    
    .info-block {
        position: absolute;
        width: 280px;
        z-index: 10;
        pointer-events: auto;
    }
    
    .ib-top-left {
        top: 2.2rem !important;
        left: 2.2rem !important;
    }
    
    .ib-top-right {
        top: 2.2rem !important;
        right: 2.2rem !important;
    }
    
    .ib-bottom-left {
        bottom: 2.2rem !important;
        left: 2.2rem !important;
    }
    
    .ib-bottom-right {
        bottom: 2.2rem !important;
        right: 2.2rem !important;
    }
    
    .ib-bottom-center {
        bottom: 1rem;
        left: 50%;
        transform: translateX(-50%);
        width: auto;
        white-space: nowrap;
    }

    .coverage-layout-centered .coverage-sphere-wrap {
        position: absolute;
        inset: 0;
        width: 100% !important;
        height: 100% !important;
        margin: 0;
        z-index: 1;
    }
}

/* Mobile responsive fallback */
@media (max-width: 1024px) {
    .coverage-layout-centered {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        min-height: auto;
    }
    
    .coverage-layout-centered .coverage-sphere-wrap {
        width: 100%;
        height: clamp(380px, 58vh, 520px);
        order: 2; /* Sphere in the middle of stacking order */
    }
    
    .info-block {
        position: relative;
        width: 100%;
        order: 3;
    }
    
    .ib-top-left {
        order: 1; /* Title at the top */
    }
    
    .ib-bottom-center {
        order: 4; /* Tips at the bottom */
    }
    
    .coverage-desc-new {
        margin-bottom: 0.5rem;
    }
}

/* 3D Sphere Info Block Staggered Entrance Animations */
.info-block .coverage-kicker,
.info-block .coverage-title-new,
.info-block .coverage-desc-new,
.info-block .legend-group h4,
.info-block .legend-group p,
.info-block .coverage-tips {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1.1s cubic-bezier(0.16, 1, 0.3, 1), transform 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}

.info-block.is-active .coverage-kicker {
    opacity: 0.5;
    transform: translateY(0);
    transition-delay: 0.1s;
}
.info-block.is-active .coverage-title-new {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.25s;
}
.info-block.is-active .coverage-desc-new {
    opacity: 0.75;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.info-block.is-active .legend-group h4 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}
.info-block.is-active .legend-group p {
    opacity: 0.75;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.info-block.is-active .coverage-tips {
    opacity: 0.95;
    transform: translateY(0);
    transition-delay: 0.2s;
}