/* Стили конструктора атома (builder.html) — прежнее оформление раздела.
   Страница элемента переехала на Quantum Atlas (styles.css), поэтому у конструктора теперь свой файл. */

:root {
    --bg-dark: #000000;
    --text-light: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.5);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow-x: hidden;
    min-height: 100vh;
}

.background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
}

.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite alternate;
    z-index: -1;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 1; }
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
}

.content-overlay {
    position: relative;
    z-index: 1;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    pointer-events: none; /* Let clicks pass through to 3D model */
}

.content-overlay > * {
    pointer-events: auto; /* Re-enable clicks for content */
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 3rem;
}

header span {
    color: var(--accent);
}

.element-showcase {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
    max-width: 450px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding-right: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.15) transparent;
}

.element-showcase::-webkit-scrollbar {
    width: 4px;
}

.element-showcase::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.15);
    border-radius: 4px;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 50px rgba(0,0,0,0.5), 0 0 20px var(--accent-glow);
}

.element-card {
    width: 250px;
    display: flex;
    flex-direction: column;
    border-top: 2px solid var(--accent);
}

.back-btn {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: color 0.3s;
}

.back-btn:hover {
    color: var(--accent);
}

.element-header {
    display: flex;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.element-symbol {
    font-family: 'Outfit', sans-serif;
    font-size: 6rem;
    font-weight: 700;
    text-align: center;
    line-height: 1;
    margin: 1.5rem 0;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.element-name {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.element-category {
    text-align: center;
    font-size: 0.9rem;
    color: var(--accent);
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.info-card {
    width: 100%;
}

.info-card h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: white;
}

.info-card p {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.property {
    display: flex;
    flex-direction: column;
}

.property .label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.3rem;
}

.property .value {
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.atom-label {
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    pointer-events: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    margin-top: -1em;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    transition: opacity 0.3s;
}

@media (max-width: 768px) {
    .element-showcase {
        flex-direction: column;
        align-items: center;
    }
    
    .info-card {
        max-width: 100%;
    }
}

/* New section headers */
.info-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: white;
}

/* Electron configuration */
.electron-config {
    font-family: 'Courier New', monospace !important;
    font-size: 1.1rem !important;
    color: var(--accent) !important;
    letter-spacing: 1px;
    word-break: break-all;
}

/* Isotopes */
.isotopes-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.isotope-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
}

.iso-name {
    font-weight: 600;
    color: white;
    font-size: 0.95rem;
}

.iso-mass {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
}

.iso-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-left: auto;
}

/* Applications */
.applications-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.application-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.2s;
}

.application-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.app-icon {
    font-size: 1.4rem;
}

.app-text {
    color: var(--text-light);
    font-size: 0.95rem;
}