.cosmic-stage {
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    padding: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: calc(var(--spacing-unit) * 6);
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

.cosmic-stage.stage-ready {
    opacity: 1;
}

.reveal-node {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-node.node-visible {
    opacity: 1;
    transform: translateY(0);
}

.cosmic-header-panel {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.date-badge {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(244, 244, 245, 0.5);
    margin-bottom: calc(var(--spacing-unit) * 1);
    display: block;
}

.cosmic-headline {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.recipient-field {
    margin-top: calc(var(--spacing-unit) * 0.5);
}

.recipient-name-input {
    width: 100%;
    max-width: 320px;
    padding: calc(var(--spacing-unit) * 0.75) 0;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 400;
    text-align: center;
    color: var(--color-starlight);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-nebula-dim);
    outline: none;
    letter-spacing: 0.01em;
    transition: border-color 0.3s ease;
}

.recipient-name-input::placeholder {
    color: rgba(244, 244, 245, 0.3);
    font-style: italic;
}

.recipient-name-input:focus {
    border-bottom-color: var(--color-starlight);
}

.hero-viewport {
    width: 100%;
    max-width: 720px;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-nebula-dim);
}

.hero-source-label {
    position: absolute;
    top: calc(var(--spacing-unit) * 1.5);
    left: calc(var(--spacing-unit) * 1.5);
    z-index: 2;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: rgba(244, 244, 245, 0.85);
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: calc(var(--spacing-unit) * 0.35) calc(var(--spacing-unit) * 0.75);
    border-radius: 2px;
}

.hero-image-frame {
    width: 100%;
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: opacity 0.4s ease;
}

.hero-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease;
}

.hero-image-frame img.img-loaded {
    opacity: 1;
}

.hero-meta-strip {
    padding: calc(var(--spacing-unit) * 1.5);
    background: rgba(3, 3, 4, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--color-nebula-dim);
}

.hero-title-text {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: 0.25rem;
}

.hero-attribution {
    font-size: 0.75rem;
    color: rgba(244, 244, 245, 0.6);
    letter-spacing: 0.05em;
}

.picker-section {
    width: 100%;
    max-width: 720px;
}

.picker-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(244, 244, 245, 0.5);
    margin-bottom: calc(var(--spacing-unit) * 1);
    display: block;
}

.picker-carousel {
    display: flex;
    gap: calc(var(--spacing-unit) * 1);
    overflow-x: auto;
    padding-bottom: calc(var(--spacing-unit) * 1);
    scrollbar-width: thin;
    scrollbar-color: var(--color-nebula-dim) transparent;
    -webkit-overflow-scrolling: touch;
}

.picker-carousel::-webkit-scrollbar {
    height: 3px;
}

.picker-carousel::-webkit-scrollbar-thumb {
    background: var(--color-nebula-dim);
    border-radius: 2px;
}

.thumb-node {
    flex: 0 0 100px;
    height: 70px;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    border: 1px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
    opacity: 0.6;
    cursor: pointer;
}

.thumb-node:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.thumb-node.thumb-selected {
    opacity: 1;
    border-color: var(--color-starlight);
}

.thumb-node img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-year-tag {
    position: absolute;
    bottom: 2px;
    right: 4px;
    font-size: 0.625rem;
    background: rgba(0, 0, 0, 0.75);
    padding: 1px 4px;
    border-radius: 2px;
    letter-spacing: 0.05em;
}

.enrichment-panel {
    width: 100%;
    max-width: 720px;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.enrichment-section-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(244, 244, 245, 0.5);
}

.enrichment-dormant {
    text-align: center;
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 2);
    border: 1px dashed var(--color-nebula-dim);
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.01);
}

.enrichment-toggle-prompt {
    font-size: 0.875rem;
    line-height: 1.6;
    color: rgba(244, 244, 245, 0.5);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.enrichment-opt-in-btn {
    padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: transparent;
    border: 1px solid rgba(244, 244, 245, 0.25);
    color: rgba(244, 244, 245, 0.7);
    border-radius: 2px;
    cursor: pointer;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.enrichment-opt-in-btn:hover {
    border-color: var(--color-starlight);
    color: var(--color-starlight);
}

.enrichment-active-zone {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.enrichment-featured {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--color-nebula-dim);
    border-left: 2px solid rgba(244, 244, 245, 0.25);
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2.5);
    border-radius: 0 2px 2px 0;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.75);
}

.featured-class-indicator {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-starlight);
    letter-spacing: 0.02em;
    line-height: 1.1;
}

.featured-planet-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-starlight);
    line-height: 1.2;
}

.featured-host-star {
    font-size: 0.875rem;
    color: rgba(244, 244, 245, 0.5);
    margin-top: calc(var(--spacing-unit) * -0.25);
}

.featured-attribution {
    font-size: 0.75rem;
    color: rgba(244, 244, 245, 0.6);
    letter-spacing: 0.05em;
    margin-top: calc(var(--spacing-unit) * 0.25);
}

.featured-detail-row {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 1.5);
    margin-top: calc(var(--spacing-unit) * 0.5);
}

.detail-fragment {
    font-size: 0.75rem;
    color: rgba(244, 244, 245, 0.45);
    letter-spacing: 0.03em;
}

.enrichment-picker-strip {
    display: flex;
    gap: calc(var(--spacing-unit) * 0.75);
    overflow-x: auto;
    padding-bottom: calc(var(--spacing-unit) * 0.75);
    scrollbar-width: thin;
    scrollbar-color: var(--color-nebula-dim) transparent;
    -webkit-overflow-scrolling: touch;
}

.enrichment-picker-strip::-webkit-scrollbar {
    height: 3px;
}

.enrichment-picker-strip::-webkit-scrollbar-thumb {
    background: var(--color-nebula-dim);
    border-radius: 2px;
}

.enrichment-pick-node {
    flex: 0 0 auto;
    min-width: 72px;
    padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 0.75);
    border: 1px solid transparent;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.enrichment-pick-node:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.enrichment-pick-node.enrichment-pick-selected {
    opacity: 1;
    border-color: var(--color-starlight);
    background: rgba(255, 255, 255, 0.04);
}

.pick-class-badge {
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-starlight);
    letter-spacing: 0.02em;
}

.pick-planet-badge {
    font-size: 0.6875rem;
    color: rgba(244, 244, 245, 0.8);
    white-space: nowrap;
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pick-year-tag {
    font-size: 0.5625rem;
    color: rgba(244, 244, 245, 0.4);
    letter-spacing: 0.08em;
}

.telemetry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    width: 100%;
    max-width: 720px;
}

.telemetry-node {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--color-nebula-dim);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 2px;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 0.5);
}

.telemetry-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(244, 244, 245, 0.4);
}

.telemetry-value {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-starlight);
}

.telemetry-detail {
    font-size: 0.8125rem;
    color: rgba(244, 244, 245, 0.6);
}

.narrative-stage {
    width: 100%;
    max-width: 680px;
    background: rgba(255, 255, 255, 0.01);
    border-left: 1px solid var(--color-starlight);
    padding: calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 3);
    margin: calc(var(--spacing-unit) * 2) 0;
}

.narrative-output {
    font-family: var(--font-display);
    font-size: 1.25rem;
    line-height: 1.7;
    color: rgba(244, 244, 245, 0.9);
    outline: none;
    border: none;
    background: transparent;
    width: 100%;
    resize: none;
}

.narrative-output:focus {
    background: rgba(255, 255, 255, 0.02);
}

.style-transform-block {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-nebula-dim);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 2px;
}

.style-block-label {
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(244, 244, 245, 0.3);
}

.style-input-field {
    width: 100%;
    min-height: 120px;
    padding: calc(var(--spacing-unit) * 1);
    font-size: 0.875rem;
    line-height: 1.6;
    border: 1px solid var(--color-nebula-dim);
    background: rgba(0, 0, 0, 0.3);
    color: var(--color-starlight);
    resize: vertical;
    border-radius: 2px;
}

.style-input-field::placeholder {
    color: rgba(244, 244, 245, 0.2);
    font-style: italic;
}

.style-input-field:focus {
    border-color: var(--color-starlight);
}

.transform-action-btn {
    align-self: flex-end;
    padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    background: transparent;
    border: 1px solid var(--color-starlight);
    color: var(--color-starlight);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.transform-action-btn:hover {
    background: var(--color-starlight);
    color: var(--color-void);
}

.transform-action-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

.action-bar-footer {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 3);
    flex-wrap: wrap;
    justify-content: center;
}

.action-trigger {
    padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.5);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border-radius: 2px;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.action-primary {
    background: var(--color-starlight);
    color: var(--color-void);
}

.action-secondary {
    background: transparent;
    border: 1px solid var(--color-nebula-dim);
    color: var(--color-starlight);
}

.action-trigger:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.action-trigger:disabled {
    opacity: 0.4;
    cursor: default;
    transform: none;
}

@media (max-width: 600px) {
    .cosmic-stage {
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 4);
        gap: calc(var(--spacing-unit) * 4);
    }

    .recipient-name-input {
        max-width: 260px;
        font-size: 1rem;
    }

    .hero-source-label {
        top: calc(var(--spacing-unit) * 1);
        left: calc(var(--spacing-unit) * 1);
        font-size: 0.5625rem;
    }

    .enrichment-dormant {
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 1.5);
    }

    .enrichment-featured {
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
    }

    .featured-class-indicator {
        font-size: 1.625rem;
    }

    .featured-planet-name {
        font-size: 1.25rem;
    }

    .telemetry-grid {
        grid-template-columns: 1fr;
    }

    .narrative-stage {
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
    }

    .narrative-output {
        font-size: 1.125rem;
    }
}