/* =========================================================
   ASTRONAUTENBAR · GEHIRN · AREAL
   ========================================================= */

.brain-area-page {
    padding-bottom: 40px;
}

.brain-area-back {
    margin-bottom: 28px;
}

.brain-area-eyebrow {
    color: var(--cyan);
    font-size: var(--font-meta);
    letter-spacing: 0.09em;
}

.brain-area-title {
    margin: 5px 0 2px;
    color: var(--foreground);
    font-size: 1.65rem;
    line-height: 1.2;
    letter-spacing: 0.07em;
}

.brain-area-meta {
    color: var(--muted);
    font-size: var(--font-system);
    line-height: 1.5;
}

.brain-area-status {
    margin-top: 26px;
    color: var(--cyan);
    font-size: var(--font-system);
    letter-spacing: 0.025em;
}

.brain-area-status span {
    color: var(--accent);
}

.brain-area-message {
    margin-top: 10px;
    color: var(--muted);
    font-size: var(--font-system);
    line-height: 1.6;
}

.brain-area-stats {
    display: flex;
    gap: 24px;
    margin-top: 22px;
    padding: 9px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: var(--font-meta);
    letter-spacing: 0.05em;
}

.brain-area-section {
    margin-top: 32px;
}

.brain-area-section-title {
    margin-bottom: 14px;
    color: var(--accent);
    font-size: var(--font-meta);
    letter-spacing: 0.1em;
}


/* =========================================================
   KNOTEN
   ========================================================= */

.brain-node-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    max-width: 680px;
}

.brain-node {
    position: relative;
    min-height: 82px;
    padding: 13px 13px 12px 34px;
    border: 1px solid rgba(98, 217, 232, 0.2);
    background: rgba(98, 217, 232, 0.012);
    overflow: hidden;
    animation: brainNodeFlash 17s ease-in-out infinite;
}

.brain-node:nth-child(1) { animation-delay: -3s; }
.brain-node:nth-child(2) { animation-delay: -11s; }
.brain-node:nth-child(3) { animation-delay: -6s; }
.brain-node:nth-child(4) { animation-delay: -15s; }
.brain-node:nth-child(5) { animation-delay: -8s; }
.brain-node:nth-child(6) { animation-delay: -1s; }
.brain-node:nth-child(7) { animation-delay: -13s; }

@keyframes brainNodeFlash {
    0%, 88%, 100% {
        border-color: rgba(98, 217, 232, 0.2);
        background: rgba(98, 217, 232, 0.012);
        box-shadow: none;
    }

    89% {
        border-color: rgba(98, 217, 232, 0.42);
        background: rgba(98, 217, 232, 0.035);
    }

    90% {
        border-color: rgba(98, 217, 232, 0.72);
        background: rgba(98, 217, 232, 0.09);
        box-shadow:
            inset 0 0 18px rgba(98, 217, 232, 0.07),
            0 0 10px rgba(98, 217, 232, 0.05);
    }

    90.6% {
        border-color: rgba(255, 79, 216, 0.42);
        background: rgba(255, 79, 216, 0.035);
    }

    92% {
        border-color: rgba(98, 217, 232, 0.2);
        background: rgba(98, 217, 232, 0.012);
        box-shadow: none;
    }
}

.brain-node-pulse {
    position: absolute;
    top: 17px;
    left: 14px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--cyan);
    opacity: 0.38;
    box-shadow: 0 0 6px rgba(98, 217, 232, 0.38);
    animation: nodePulse 7.8s ease-in-out infinite;
}

.brain-node:nth-child(2n) .brain-node-pulse {
    background: var(--accent);
    box-shadow: 0 0 6px rgba(255, 79, 216, 0.35);
    animation-delay: -3.1s;
}

.brain-node:nth-child(3n) .brain-node-pulse {
    animation-delay: -5.4s;
}

@keyframes nodePulse {
    0%, 78%, 100% {
        opacity: 0.25;
        transform: scale(0.9);
    }

    82% {
        opacity: 0.8;
        transform: scale(1.18);
    }

    86% {
        opacity: 0.3;
        transform: scale(0.95);
    }
}

.brain-node-name {
    color: var(--foreground);
    font-size: var(--font-ui);
    line-height: 1.35;
    letter-spacing: 0.035em;
}

.brain-node-count {
    margin-top: 7px;
    color: var(--muted);
    font-size: var(--font-micro);
    letter-spacing: 0.035em;
}


/* =========================================================
   SIGNALE
   ========================================================= */

.brain-area-signals {
    max-width: 760px;
}

.brain-area-signal {
    display: block;
    padding: 14px 0 16px;
    border-top: 1px solid var(--line);
    color: inherit;
    text-decoration: none;
}

.brain-area-signal:last-child {
    border-bottom: 1px solid var(--line);
}

.brain-area-signal:hover .brain-area-signal-title {
    color: var(--cyan);
}

.brain-area-signal-number {
    color: var(--accent);
    font-size: var(--font-meta);
    letter-spacing: 0.055em;
}

.brain-area-signal-title {
    margin-top: 3px;
    color: var(--foreground);
    font-size: 0.95rem;
    line-height: 1.45;
    transition: color 0.15s ease;
}

.brain-area-signal-description {
    margin-top: 4px;
    color: var(--muted);
    font-size: var(--font-meta);
    line-height: 1.5;
}

.brain-area-signal-date {
    margin-top: 6px;
    color: var(--cyan);
    font-size: var(--font-micro);
    letter-spacing: 0.025em;
}

.brain-area-empty {
    padding: 15px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font-size: var(--font-system);
    line-height: 1.6;
}


/* =========================================================
   SYSTEMMELDUNG
   ========================================================= */

.brain-area-footer-message {
    margin-top: 32px;
    max-width: 760px;
    color: var(--cyan);
    font-size: var(--font-system);
    line-height: 1.65;
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 680px) {
    .brain-node-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .brain-area-title {
        font-size: 1.35rem;
    }

    .brain-area-stats {
        gap: 16px;
        font-size: var(--font-meta);
    }

    .brain-node {
        min-height: 75px;
        padding: 11px 10px 10px 29px;
    }

    .brain-node-pulse {
        left: 11px;
        top: 15px;
    }

    .brain-node-name {
        font-size: var(--font-meta);
    }

    .brain-node-count {
        font-size: var(--font-micro);
    }
}

@media (prefers-reduced-motion: reduce) {
    .brain-node,
    .brain-node-pulse {
        animation: none;
    }
}


/* =========================================================
   KNOTEN · LINKS / TAXONOMIE
   ========================================================= */

a.brain-node {
    color: inherit;
    text-decoration: none;
    transition:
        transform 0.16s ease,
        border-color 0.16s ease;
}

a.brain-node:hover,
a.brain-node:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(98, 217, 232, 0.62);
    outline: none;
}

a.brain-node:hover .brain-node-name,
a.brain-node:focus-visible .brain-node-name {
    color: var(--cyan);
}

.brain-node-area-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    max-width: 760px;
}

.brain-node-area-links a {
    color: var(--cyan);
    text-decoration: none;
    font-size: var(--font-ui);
    letter-spacing: 0.055em;
}

.brain-node-area-links a:hover {
    color: var(--accent);
}

.brain-node-index {
    margin-top: 28px;
    max-width: 680px;
    border-top: 1px solid var(--line);
}

.brain-node-index-entry {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding: 9px 0;
    border-bottom: 1px solid var(--line);
    color: var(--foreground);
    text-decoration: none;
    font-size: var(--font-ui);
    letter-spacing: 0.035em;
}

.brain-node-index-entry span:last-child {
    color: var(--muted);
    font-size: var(--font-micro);
}

.brain-node-index-entry:hover span:first-child {
    color: var(--cyan);
}