.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(133, 14, 53, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
}

.header-logo {
    display: flex;
    align-items: center;
    position: relative;
    width: 32px;
    height: 32px;
}

.thread-logo {
    width: 100%;
    height: 100%;
}

.thread-path-outer {
    stroke: var(--accent-primary);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-dasharray: 80;
    stroke-dashoffset: 80;
    animation: thread-unfold 4s ease-in-out infinite alternate;
}

.thread-core {
    fill: var(--text-primary);
}

.thread-line {
    stroke: var(--accent-secondary);
    stroke-width: 1;
    stroke-dasharray: 28;
    stroke-dashoffset: 28;
    animation: thread-line-flow 4s linear infinite;
    opacity: 0.6;
}

@keyframes thread-unfold {
    0% {
        stroke-dashoffset: 80;
        opacity: 0.3;
    }

    50% {
        stroke-dashoffset: 0;
        opacity: 1;
    }

    100% {
        stroke-dashoffset: -80;
        opacity: 0.3;
    }
}

@keyframes core-pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.6;
    }

    100% {
        transform: scale(1.2);
        opacity: 1;
    }
}

@keyframes thread-line-flow {
    0% {
        stroke-dashoffset: 28;
    }

    100% {
        stroke-dashoffset: -28;
    }
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.header-badge {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.125rem 0.4rem;
    border-radius: 4px;
    background: var(--accent-gradient);
    color: white;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.header-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.header-link:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
}

.header-link.active {
    color: var(--accent-secondary);
    background: rgba(238, 105, 131, 0.1);
}

.header-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: 0.75rem;
    padding-left: 0.75rem;
    border-left: 1px solid var(--border-subtle);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse-glow-green 2s infinite;
}

@keyframes pulse-glow-green {

    0%,
    100% {
        box-shadow: 0 0 4px var(--success);
    }

    50% {
        box-shadow: 0 0 12px var(--success);
    }
}

@media (max-width: 600px) {
    .header-nav {
        gap: 0;
    }

    .header-link span,
    .header-link svg+* {
        display: none;
    }

    .header-link {
        padding: 0.4rem;
    }

    .header-status {
        display: none;
    }
}