/* ================================
   Three-Body Orbital Mechanics
   Enhanced constellation with physics-inspired motion
   ================================ */

/* ===== Constellation Container ===== */
.constellation {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 500px;
    margin: var(--space-xl) auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Center point (barycenter) */
.constellation::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--accent);
    animation: pulse-center 3s ease-in-out infinite;
    z-index: 0;
}

@keyframes pulse-center {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.5); }
}

/* ===== Orbital Paths (Visual Guide) ===== */
.orbital-path {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.orbital-path--1 {
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
    animation: rotate-orbit-1 20s linear infinite;
}

.orbital-path--2 {
    width: 350px;
    height: 280px;
    margin: -140px 0 0 -175px;
    animation: rotate-orbit-2 25s linear infinite reverse;
}

.orbital-path--3 {
    width: 320px;
    height: 320px;
    margin: -160px 0 0 -160px;
    animation: rotate-orbit-3 30s linear infinite;
}

/* ===== Planet Container (Orbital Motion) ===== */
.planet-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform-origin: center;
    z-index: 10;
}

/* Planet 1: Talks & Things (Yellow) */
.planet-orbit--1 {
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
    animation: orbit-1 20s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}

/* Planet 2: Portfolio (Blue) */
.planet-orbit--2 {
    width: 350px;
    height: 280px;
    margin: -140px 0 0 -175px;
    animation: orbit-2 25s cubic-bezier(0.4, 0.1, 0.6, 0.9) infinite;
    animation-delay: -8s;
}

/* Planet 3: Projects (Green) */
.planet-orbit--3 {
    width: 320px;
    height: 320px;
    margin: -160px 0 0 -160px;
    animation: orbit-3 30s cubic-bezier(0.35, 0.15, 0.65, 0.85) infinite;
    animation-delay: -15s;
}

/* Orbital animations (elliptical paths) */
@keyframes orbit-1 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes orbit-2 {
    0% { transform: rotate(0deg) scaleX(1.1); }
    100% { transform: rotate(360deg) scaleX(1.1); }
}

@keyframes orbit-3 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== Planet Sphere ===== */
.planet {
    position: absolute;
    top: 0;
    right: 0;
    width: 160px;
    height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 3px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: visible;
    z-index: 10;
    
    /* Counter-rotate to keep planet upright */
    animation: counter-spin 20s linear infinite reverse;
}

/* Counter-rotation for each planet */
.planet-orbit--1 .planet {
    animation: counter-spin-1 20s linear infinite reverse;
}

.planet-orbit--2 .planet {
    animation: counter-spin-2 25s linear infinite;
}

.planet-orbit--3 .planet {
    animation: counter-spin-3 30s linear infinite reverse;
}

@keyframes counter-spin-1 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

@keyframes counter-spin-2 {
    0% { transform: rotate(0deg) scaleX(0.91); }
    100% { transform: rotate(-360deg) scaleX(0.91); }
}

@keyframes counter-spin-3 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

/* Planet-specific styles */
.planet--talks {
    border-color: var(--miro-yellow);
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(255, 214, 10, 0.1) 100%);
}

.planet--portfolio {
    border-color: var(--miro-blue);
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(10, 132, 255, 0.1) 100%);
}

.planet--projects {
    border-color: var(--miro-green);
    background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(48, 209, 88, 0.1) 100%);
}

/* ===== Planet Hover Effects ===== */
.planet:hover {
    transform: scale(1.15);
    border-width: 4px;
    z-index: 100;
}

.planet--talks:hover {
    border-color: var(--miro-yellow);
    box-shadow: 
        0 8px 40px rgba(255, 214, 10, 0.4),
        0 0 60px rgba(255, 214, 10, 0.2);
}

.planet--portfolio:hover {
    border-color: var(--miro-blue);
    box-shadow: 
        0 8px 40px rgba(10, 132, 255, 0.4),
        0 0 60px rgba(10, 132, 255, 0.2);
}

.planet--projects:hover {
    border-color: var(--miro-green);
    box-shadow: 
        0 8px 40px rgba(48, 209, 88, 0.4),
        0 0 60px rgba(48, 209, 88, 0.2);
}

/* Pause orbit on hover */
.planet-orbit:hover {
    animation-play-state: paused;
}

.planet:hover {
    animation-play-state: paused;
}

/* ===== Planet Icon ===== */
.planet__icon {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    animation: icon-float 3s ease-in-out infinite;
}

@keyframes icon-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.planet:hover .planet__icon {
    animation-play-state: paused;
    transform: scale(1.1);
}

/* ===== Planet Label ===== */
.planet__label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.02em;
}

/* ===== Planet Atmosphere (Glow) ===== */
.planet::after {
    content: '';
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

.planet--talks::after {
    background: radial-gradient(circle, rgba(255, 214, 10, 0.4) 0%, transparent 70%);
}

.planet--portfolio::after {
    background: radial-gradient(circle, rgba(10, 132, 255, 0.4) 0%, transparent 70%);
}

.planet--projects::after {
    background: radial-gradient(circle, rgba(48, 209, 88, 0.4) 0%, transparent 70%);
}

.planet:hover::after {
    opacity: 1;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* ===== Orbital Trails ===== */
.planet::before {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
    opacity: 0.3;
    top: 50%;
    left: -20px;
    box-shadow: 
        -15px 0 0 -1px currentColor,
        -30px 0 0 -2px currentColor,
        -45px 0 0 -3px currentColor;
    pointer-events: none;
}

/* ===== Connecting Lines (Gravitational Bonds) ===== */
.constellation-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ===== Mobile Optimization ===== */
@media (max-width: 768px) {
    .constellation {
        height: 450px;
        max-width: 100%;
    }
    
    .planet {
        width: 130px;
        height: 130px;
    }
    
    .planet__icon {
        font-size: 2.8rem;
    }
    
    .planet__label {
        font-size: 0.85rem;
    }
    
    .orbital-path--1 {
        width: 250px;
        height: 250px;
        margin: -125px 0 0 -125px;
    }
    
    .orbital-path--2 {
        width: 290px;
        height: 230px;
        margin: -115px 0 0 -145px;
    }
    
    .orbital-path--3 {
        width: 270px;
        height: 270px;
        margin: -135px 0 0 -135px;
    }
    
    .planet-orbit--1 {
        width: 250px;
        height: 250px;
        margin: -125px 0 0 -125px;
    }
    
    .planet-orbit--2 {
        width: 290px;
        height: 230px;
        margin: -115px 0 0 -145px;
    }
    
    .planet-orbit--3 {
        width: 270px;
        height: 270px;
        margin: -135px 0 0 -135px;
    }
}

@media (max-width: 480px) {
    .constellation {
        height: 400px;
    }
    
    .planet {
        width: 110px;
        height: 110px;
    }
    
    .planet__icon {
        font-size: 2.4rem;
        margin-bottom: 0.3rem;
    }
    
    .planet__label {
        font-size: 0.75rem;
    }
    
    /* Smaller orbits for mobile */
    .orbital-path--1,
    .planet-orbit--1 {
        width: 200px;
        height: 200px;
        margin: -100px 0 0 -100px;
    }
    
    .orbital-path--2,
    .planet-orbit--2 {
        width: 240px;
        height: 190px;
        margin: -95px 0 0 -120px;
    }
    
    .orbital-path--3,
    .planet-orbit--3 {
        width: 220px;
        height: 220px;
        margin: -110px 0 0 -110px;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .planet-orbit,
    .planet,
    .orbital-path,
    .planet__icon,
    .planet::after {
        animation: none !important;
    }
    
    /* Static positions for reduced motion */
    .planet-orbit--1 {
        transform: rotate(30deg);
    }
    
    .planet-orbit--2 {
        transform: rotate(150deg) scaleX(1.1);
    }
    
    .planet-orbit--3 {
        transform: rotate(270deg);
    }
    
    .planet {
        transform: rotate(-30deg);
    }
    
    .planet-orbit--2 .planet {
        transform: rotate(-150deg) scaleX(0.91);
    }
    
    .planet-orbit--3 .planet {
        transform: rotate(-270deg);
    }
}

/* ===== High Performance Mode ===== */
.constellation.performance-mode .orbital-path {
    display: none;
}

.constellation.performance-mode .planet::before {
    display: none;
}

/* ===== Accessibility ===== */
.planet:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 8px;
    z-index: 100;
}

/* ===== Print Styles ===== */
@media print {
    .planet-orbit,
    .planet,
    .orbital-path {
        animation: none !important;
    }
    
    .constellation::before {
        display: none;
    }
}