/* SkillSphere — 3D Skills Constellation Styles (Light Theme) */

/* ── Wrapper ─────────────────────────────────────────────── */
.skillsphere-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: 720px;
    background: transparent;
    border-radius: var(--border-radius-large, 24px);
    overflow: hidden;
    margin-top: 2rem;
    user-select: none;
    -webkit-user-select: none;
}

/* ── Three.js Container ─────────────────────────────────── */
#skillsphere-container {
    position: absolute;
    inset: 0;
    z-index: 0;
    cursor: grab;
}

#skillsphere-container:active {
    cursor: grabbing;
}

/* ── Tooltip ─────────────────────────────────────────────── */
.sphere-tooltip {
    position: absolute;
    pointer-events: none;
    z-index: 10;
    background: var(--glass-bg, rgba(255, 255, 255, 0.88));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-color, rgba(0, 0, 0, 0.08));
    border-radius: 10px;
    padding: 10px 14px;
    box-shadow: var(--shadow-subtle, 0 2px 16px rgba(0, 0, 0, 0.1));
    opacity: 0;
    transition: opacity 0.2s ease;
    transform: translate(-50%, calc(-100% - 16px));
    white-space: nowrap;
}

.sphere-tooltip.visible {
    opacity: 1;
}

.tooltip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.tooltip-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.tooltip-header strong {
    color: var(--text-dark, #1D1D1F);
    font-size: 0.85rem;
    font-weight: 600;
}

.tooltip-domain {
    color: var(--text-light, #86868B);
    font-size: 0.72rem;
    margin-bottom: 6px;
}

.tooltip-sub {
    color: var(--text-light, #86868B);
    font-size: 0.7rem;
    margin-bottom: 6px;
}

.tooltip-level {
    display: flex;
    gap: 4px;
}

.level-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border-color, rgba(0, 0, 0, 0.12));
}

.level-dot.filled {
    background: var(--text-dark, #1D1D1F);
}

/* ── Detail Panel ────────────────────────────────────────── */
.sphere-detail-panel {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 300px;
    max-width: 40%;
    background: var(--glass-bg, rgba(255, 255, 255, 0.92));
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--border-color, rgba(0, 0, 0, 0.06));
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.06);
    z-index: 15;
    padding: 28px 24px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow-y: auto;
    color: var(--text-dark, #1D1D1F);
}

.sphere-detail-panel.active {
    transform: translateX(0);
}

.detail-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    color: var(--text-light, #86868B);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
    font-size: 0.8rem;
}

.detail-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-dark, #1D1D1F);
}

.detail-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 16px;
}

.detail-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    color: var(--text-dark, #1D1D1F);
}

.detail-level {
    margin-bottom: 20px;
}

.detail-level-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-light, #86868B);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.detail-level-bar {
    height: 4px;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.detail-level-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.4s ease;
}

.detail-level-text {
    font-size: 0.8rem;
    color: var(--text-light, #86868B);
}

.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
}

.detail-subskills {
    margin-bottom: 24px;
}

.detail-subskills-title {
    display: block;
    font-size: 0.72rem;
    color: var(--text-light, #86868B);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.detail-subskills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.detail-subskill {
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 99px;
    font-size: 0.75rem;
    color: var(--text-dark, #1D1D1F);
}

.detail-tag {
    padding: 4px 10px;
    background: var(--bg-light, #F5F5F7);
    border: 1px solid var(--border-color, #D2D2D7);
    border-radius: 99px;
    font-size: 0.72rem;
    color: var(--text-light, #86868B);
}

.detail-project {
    padding-top: 20px;
    border-top: 1px solid var(--border-color, rgba(0, 0, 0, 0.06));
}

.detail-project-label {
    display: block;
    font-size: 0.72rem;
    color: var(--text-light, #86868B);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.detail-project-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark, #1D1D1F);
    margin-bottom: 10px;
}

.detail-proof-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--bg-light, #F5F5F7);
    border: 1px solid var(--border-color, #D2D2D7);
    border-radius: 8px;
    color: var(--primary-color, #007AFF);
    text-decoration: none;
    font-size: 0.8rem;
    transition: background 0.2s;
}

.detail-proof-link:hover {
    background: rgba(0, 122, 255, 0.08);
}

/* ── Legend ───────────────────────────────────────────────── */
.sphere-legend {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 5;
    padding: 8px 20px;
    background: var(--glass-bg, rgba(255, 255, 255, 0.82));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 99px;
    border: 1px solid var(--border-color, rgba(0, 0, 0, 0.06));
    box-shadow: var(--shadow-subtle, 0 2px 12px rgba(0, 0, 0, 0.08));
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.legend-item:hover {
    opacity: 0.7;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.legend-label {
    font-size: 0.72rem;
    color: var(--text-light, #86868B);
    white-space: nowrap;
}

/* ── Mobile Fallback ─────────────────────────────────────── */
#skillsphere-mobile {
    display: none;
}

.sphere-mobile-mode {
    aspect-ratio: auto !important;
    max-height: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    overflow: visible !important;
}

.sphere-mobile-mode::before {
    display: none !important;
}

.sphere-mobile-mode #skillsphere-container,
.sphere-mobile-mode .sphere-tooltip,
.sphere-mobile-mode .sphere-detail-panel,
.sphere-mobile-mode .sphere-legend {
    display: none !important;
}

.sphere-mobile-mode #skillsphere-mobile {
    display: block;
}

/* Domain accordion groups */
.sphere-domain-group {
    margin-bottom: 8px;
    border-radius: var(--border-radius, 16px);
    overflow: hidden;
    border: 1px solid var(--border-color, #D2D2D7);
    background: var(--bg-card, #fff);
}

.sphere-domain-header {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 14px 16px;
    background: none;
    border: none;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark, #1D1D1F);
    cursor: pointer;
    transition: background 0.2s;
    text-align: left;
}

.sphere-domain-header:hover {
    background: var(--bg-light, #F5F5F7);
}

.domain-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.domain-name {
    flex: 1;
}

.domain-count {
    font-size: 0.75rem;
    color: var(--text-light, #86868B);
    background: var(--bg-light, #F5F5F7);
    padding: 2px 8px;
    border-radius: 99px;
}

.domain-chevron {
    color: var(--text-light, #86868B);
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.sphere-domain-group.open .domain-chevron {
    transform: rotate(180deg);
}

.sphere-domain-skills {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.sphere-domain-group.open .sphere-domain-skills {
    max-height: 600px;
}

.sphere-domain-skills-inner {
    padding: 0 16px 16px;
}

.mobile-skill-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color, #D2D2D7);
}

.mobile-skill-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.mobile-skill-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.mobile-skill-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.mobile-skill-level .level-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--border-color, #D2D2D7);
    margin-left: 3px;
}

.mobile-skill-level .level-dot.filled {
    background: var(--primary-color, #007AFF);
}

.mobile-skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
}

.mobile-subskills {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 6px;
}

.mobile-subskill {
    padding: 2px 8px;
    font-size: 0.68rem;
    color: var(--text-dark, #1D1D1F);
    background: rgba(0, 0, 0, 0.04);
    border-radius: 99px;
}

.mobile-tag {
    padding: 2px 8px;
    font-size: 0.7rem;
    color: var(--text-light, #86868B);
    background: var(--bg-light, #F5F5F7);
    border-radius: 99px;
}

.mobile-skill-project {
    font-size: 0.78rem;
    color: var(--text-light, #86868B);
    display: flex;
    align-items: center;
    gap: 6px;
}

.mobile-skill-project a {
    color: var(--primary-color, #007AFF);
    text-decoration: none;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
    .sphere-legend {
        gap: 10px;
        padding: 6px 14px;
    }

    .legend-label {
        font-size: 0.65rem;
    }

    .sphere-detail-panel {
        width: 260px;
    }
}

@media (max-width: 900px) {
    .sphere-legend {
        flex-wrap: wrap;
        justify-content: center;
        border-radius: 16px;
        bottom: 10px;
        gap: 6px 14px;
        padding: 8px 14px;
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .skillsphere-wrapper {
        aspect-ratio: auto;
        max-height: none;
        background: transparent;
        border-radius: 0;
        margin-top: 1rem;
    }
}

/* ── Reduce Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .sphere-domain-skills {
        transition: none;
    }

    .sphere-detail-panel {
        transition: none;
    }

    .sphere-tooltip {
        transition: none;
    }

    .domain-chevron {
        transition: none;
    }
}