/* ===== Design Tokens ===== */
:root {
    /* Colors */
    --color-bg: #07111F;
    --color-surface: #0F1B2D;
    --color-surface-elevated: #152238;
    --color-text-primary: #F4F7FB;
    --color-text-secondary: #B8C4D6;
    --color-action-primary: #5DB7FF;
    --color-action-primary-hover: #3DA3F0;
    --color-status-allowed: #4FD18B;
    --color-status-warning: #F5B84B;
    --color-status-blocked: #FF6B6B;
    --color-border: rgba(180, 196, 214, 0.15);

    /* Typography */
    --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --fs-base: 16px;
    --fs-sm: 0.875rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --lh-body: 1.65;
    --lh-heading: 1.3;

    /* Spacing (8px scale) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-6: 24px;
    --space-8: 32px;
    --space-12: 48px;
    --space-16: 64px;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* Layout */
    --max-width: 1200px;
    --header-height: 56px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-body);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-action-primary);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
    color: var(--color-action-primary-hover);
}
a:focus-visible {
    outline: 2px solid var(--color-action-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

h1, h2, h3 {
    line-height: var(--lh-heading);
    color: var(--color-text-primary);
}
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); margin-bottom: var(--space-4); }
h3 { font-size: var(--fs-xl); }

button, .btn-primary, .btn-secondary, .btn-action {
    font-family: var(--font-body);
    cursor: pointer;
    border: none;
    font-size: var(--fs-base);
    transition: background-color 0.2s, opacity 0.2s;
}
button:focus-visible, .btn-primary:focus-visible,
.btn-secondary:focus-visible, .btn-action:focus-visible {
    outline: 2px solid var(--color-action-primary);
    outline-offset: 2px;
}

/* ===== Skip Link ===== */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    background: var(--color-action-primary);
    color: var(--color-bg);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-weight: 600;
    text-decoration: none;
}
.skip-link:focus {
    top: var(--space-2);
}

/* ===== Header ===== */
header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-primary);
    font-weight: 700;
    font-size: var(--fs-xl);
    text-decoration: none;
}
.logo:hover { text-decoration: none; opacity: 0.85; }
.logo-icon { color: var(--color-status-allowed); font-size: 1.3em; }

.nav-links-desktop {
    display: flex;
    list-style: none;
    gap: var(--space-6);
}
.nav-links-desktop a {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--fs-sm);
    text-decoration: none;
    padding: var(--space-1) 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}
.nav-links-desktop a:hover,
.nav-links-desktop a.active {
    color: var(--color-text-primary);
    text-decoration: none;
    border-bottom-color: var(--color-action-primary);
}

.nav-mobile {
    display: none;
    align-items: center;
    gap: var(--space-3);
}
.nav-mobile-cta {
    background: var(--color-action-primary);
    color: var(--color-bg);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    text-decoration: none;
}
.nav-mobile-cta:hover { text-decoration: none; opacity: 0.85; }

.menu-toggle {
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}
.menu-toggle:hover { background: var(--color-surface-elevated); }

.menu-icon, .menu-icon::before, .menu-icon::after {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text-primary);
    position: relative;
}
.menu-icon::before, .menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
}
.menu-icon::before { top: -6px; }
.menu-icon::after { top: 6px; }

.mobile-menu {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
}
.mobile-menu ul {
    list-style: none;
}
.mobile-menu a {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    text-decoration: none;
}
.mobile-menu a:hover { background: var(--color-surface-elevated); }

@media (max-width: 767px) {
    .nav-links-desktop { display: none; }
    .nav-mobile { display: flex; }
}

/* ===== Footer ===== */
footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    margin-top: auto;
    padding: var(--space-8) 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}
.footer-links a {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    text-decoration: none;
}
.footer-links a:hover { color: var(--color-text-primary); }

.footer-legal p {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    margin-bottom: var(--space-2);
    max-width: 600px;
}
.footer-copyright { opacity: 0.6; }

/* ===== Hero / Homepage ===== */
.hero {
    padding: var(--space-16) var(--space-4) var(--space-12);
    text-align: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.25rem;
    margin-bottom: var(--space-4);
    font-weight: 700;
}
.hero-supporting {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-8);
    line-height: var(--lh-body);
}

/* Date search form */
.date-search-form {
    margin-bottom: var(--space-6);
}
.date-input-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}
.date-label {
    font-weight: 600;
    font-size: var(--fs-lg);
    color: var(--color-text-primary);
}
.date-picker-wrapper {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.date-picker-wrapper input[type="date"] {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--fs-base);
    min-width: 200px;
    height: 48px;
}
.date-picker-wrapper input[type="date"]:focus {
    outline: 2px solid var(--color-action-primary);
    outline-offset: 2px;
    border-color: var(--color-action-primary);
}
.date-help {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    max-width: 400px;
    margin-top: var(--space-1);
}

.btn-primary {
    background: var(--color-action-primary);
    color: var(--color-bg);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-base);
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}
.btn-primary:hover {
    background: var(--color-action-primary-hover);
    text-decoration: none;
}

.btn-secondary {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}
.btn-secondary:hover {
    background: rgba(93, 183, 255, 0.1);
    text-decoration: none;
}

/* Trust note */
.trust-note {
    background: rgba(245, 184, 75, 0.1);
    border: 1px solid rgba(245, 184, 75, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-top: var(--space-4);
}
.trust-note p {
    color: var(--color-status-warning);
    font-size: var(--fs-sm);
}

/* ===== Examples ===== */
.examples {
    padding: var(--space-12) var(--space-4);
    max-width: var(--max-width);
    margin: 0 auto;
}
.examples h2 {
    text-align: center;
    margin-bottom: var(--space-8);
}

.example-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
}

.example-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-6) var(--space-4);
    text-align: center;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.example-card:hover {
    border-color: var(--color-action-primary);
    background: var(--color-surface-elevated);
    text-decoration: none;
}
.example-date {
    font-weight: 700;
    color: var(--color-action-primary);
}
.example-label {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
}

/* ===== How It Works ===== */
.how-it-works {
    padding: var(--space-12) var(--space-4);
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    list-style: none;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-action-primary);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--fs-lg);
}

.step-text {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    font-weight: 500;
}

.step-arrow {
    color: var(--color-text-secondary);
    font-size: var(--fs-xl);
}

@media (max-width: 639px) {
    .step-arrow { display: none; }
    .steps { flex-direction: column; gap: var(--space-6); }
    .hero h1 { font-size: 1.75rem; }
}

/* ===== APOD Detail Page ===== */
.apod-detail {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}

.apod-header {
    margin-bottom: var(--space-8);
}
.apod-header h1 {
    margin-bottom: var(--space-2);
}
.apod-date {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
}

.apod-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

/* Media column */
.apod-media-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.apod-media {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}
.apod-image {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    display: block;
}

.apod-media-unsupported {
    padding: var(--space-12) var(--space-8);
    text-align: center;
    border: 2px dashed var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}
.unsupported-media-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.apod-attribution {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.apod-copyright {
    font-style: italic;
}
.source-link {
    font-weight: 500;
}

/* Info column */
.apod-info-col {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

/* Rights Panel */
.rights-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-6);
}

.rights-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    margin-bottom: var(--space-3);
}

.rights-badge--allowed_with_attribution {
    background: rgba(79, 209, 139, 0.15);
    color: var(--color-status-allowed);
    border: 1px solid rgba(79, 209, 139, 0.3);
}
.rights-badge--source_link_only {
    background: rgba(245, 184, 75, 0.15);
    color: var(--color-status-warning);
    border: 1px solid rgba(245, 184, 75, 0.3);
}
.rights-badge--restricted {
    background: rgba(255, 107, 107, 0.15);
    color: var(--color-status-blocked);
    border: 1px solid rgba(255, 107, 107, 0.3);
}
.rights-badge--unknown_rights {
    background: rgba(184, 196, 214, 0.15);
    color: var(--color-text-secondary);
    border: 1px solid rgba(184, 196, 214, 0.3);
}
.rights-badge--unsupported_media {
    background: rgba(184, 196, 214, 0.15);
    color: var(--color-text-secondary);
    border: 1px solid rgba(184, 196, 214, 0.3);
}

.rights-summary {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
}

/* Action Bar */
.action-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: flex-start;
}

.btn-action {
    background: var(--color-surface-elevated);
    color: var(--color-text-primary);
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: var(--fs-sm);
    border: 1px solid var(--color-border);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    text-decoration: none;
}
.btn-action:hover {
    background: rgba(93, 183, 255, 0.15);
    border-color: var(--color-action-primary);
    text-decoration: none;
}
.btn-action--create {
    background: var(--color-action-primary);
    color: var(--color-bg);
    border-color: var(--color-action-primary);
    font-weight: 600;
}
.btn-action--disabled {
    opacity: 0.45;
    cursor: not-allowed;
    text-decoration: line-through;
}

.blocked-reason {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    font-style: italic;
    flex-basis: 100%;
    margin-top: var(--space-1);
}

/* Explanation */
.apod-explanation {
    font-size: var(--fs-base);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
}
.apod-explanation h2 {
    font-size: var(--fs-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

/* ===== Error State ===== */
.error-state {
    max-width: 500px;
    margin: var(--space-16) auto;
    text-align: center;
    padding: var(--space-8);
}
.error-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    color: var(--color-status-warning);
}
.error-state h1 {
    margin-bottom: var(--space-3);
}
.error-state p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}
.error-note {
    background: rgba(245, 184, 75, 0.1);
    border: 1px solid rgba(245, 184, 75, 0.25);
    border-radius: var(--radius-sm);
    padding: var(--space-3) var(--space-4);
    font-size: var(--fs-sm);
    color: var(--color-status-warning) !important;
}
.error-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Skeleton Loading ===== */
.apod-skeleton {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}
.skeleton-header {
    margin-bottom: var(--space-8);
}
.skeleton-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}
.skeleton-media {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    min-height: 300px;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}
.skeleton-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.skeleton-line {
    height: 16px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}
.skeleton-line--title {
    height: 32px;
    width: 60%;
}
.skeleton-line--date {
    height: 20px;
    width: 30%;
    margin-top: var(--space-2);
}
.skeleton-line--h2 {
    height: 24px;
    width: 40%;
}
.skeleton-line--short {
    width: 50%;
}
@keyframes skeleton-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}
@media (max-width: 767px) {
    .skeleton-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== Static Pages ===== */
.static-page {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-4);
}
.static-page h1 {
    margin-bottom: var(--space-6);
}
.static-page h2 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}
.static-page p, .static-page li {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
    line-height: var(--lh-body);
}
.static-page ul, .static-page ol {
    margin-left: var(--space-6);
    margin-bottom: var(--space-4);
}
.static-page dl {
    margin-bottom: var(--space-4);
}
.static-page dt {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}
.static-page dd {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    margin-left: var(--space-4);
}

/* Demo badges for rights page */
.demo-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
}
.demo-badge--allowed {
    background: rgba(79, 209, 139, 0.15);
    color: var(--color-status-allowed);
}
.demo-badge--sourcelink {
    background: rgba(245, 184, 75, 0.15);
    color: var(--color-status-warning);
}
.demo-badge--restricted {
    background: rgba(255, 107, 107, 0.15);
    color: var(--color-status-blocked);
}
.demo-badge--unknown {
    background: rgba(184, 196, 214, 0.15);
    color: var(--color-text-secondary);
}
.demo-badge--unsupported {
    background: rgba(184, 196, 214, 0.15);
    color: var(--color-text-secondary);
}

.a11y-date {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    margin-top: var(--space-8);
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
    .apod-layout {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    .apod-info-col {
        order: 0;
    }
    .apod-media-col {
        order: 1;
    }

    /* Reorder for mobile: title -> image -> rights -> actions -> explanation -> attribution */
    .apod-header { order: 0; }
    .apod-layout {
        display: flex;
        flex-direction: column;
    }
    .apod-media-col { order: 1; }
    .rights-panel { order: 2; }
    .action-bar { order: 3; }
    .apod-explanation { order: 4; }
    .apod-attribution { order: 5; }

    .hero { padding: var(--space-12) var(--space-4); }
    .hero h1 { font-size: 1.5rem; }

    .date-picker-wrapper {
        flex-direction: column;
        width: 100%;
    }
    .date-picker-wrapper input[type="date"],
    .date-picker-wrapper .btn-primary {
        width: 100%;
        max-width: 100%;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Share Page ===== */
.share-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-12) var(--space-4);
}
.share-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}
.share-card h1 {
    margin-bottom: var(--space-3);
}
.share-date-label {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-2);
}
.share-title-label {
    color: var(--color-action-primary);
    font-weight: 600;
    font-size: var(--fs-xl);
    margin-bottom: var(--space-6);
}
.share-image {
    max-width: 100%;
    max-height: 50vh;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
}
.share-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ===== Card Selection ===== */
.card-selection {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}
.card-selection-header {
    text-align: center;
    margin-bottom: var(--space-8);
}
.card-selection-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
    margin-top: var(--space-2);
}
.card-apod-preview-small {
    max-width: 500px;
    margin: 0 auto var(--space-8);
    text-align: center;
}
.card-preview-image {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
}
.card-preview-title {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
    font-style: italic;
}
.template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto var(--space-8);
}
.template-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-6);
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.template-card:hover {
    border-color: var(--color-action-primary);
    background: var(--color-surface-elevated);
    text-decoration: none;
}
.template-category {
    font-size: var(--fs-sm);
    color: var(--color-status-allowed);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.template-name {
    font-size: var(--fs-xl);
    color: var(--color-text-primary);
    margin: 0;
}
.template-description {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
}
.card-selection-back {
    text-align: center;
}

/* ===== Card Editor ===== */
.card-editor {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-8) var(--space-4);
}
.card-editor-header {
    text-align: center;
    margin-bottom: var(--space-8);
}
.card-editor-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
    margin-top: var(--space-2);
}
.card-editor-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}
.card-editor-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}
.form-group label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}
.char-counter {
    font-weight: 400;
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
}
.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: var(--fs-base);
}
.form-input:focus {
    outline: 2px solid var(--color-action-primary);
    outline-offset: 2px;
    border-color: var(--color-action-primary);
}
.form-textarea {
    resize: vertical;
    min-height: 100px;
}
.card-attribution-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}
.card-attribution-panel h3 {
    font-size: var(--fs-base);
    margin-bottom: var(--space-2);
}
.card-attr-credit {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    font-style: italic;
}
.card-attr-rights {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}
.card-editor-preview h3 {
    margin-bottom: var(--space-4);
}
.card-preview {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}
.card-preview-image-wrap {
    position: relative;
}
.card-preview-apod {
    width: 100%;
    height: auto;
    display: block;
}
.card-preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(7, 17, 31, 0.92));
    padding: var(--space-6) var(--space-4) var(--space-4);
    color: var(--color-text-primary);
}
.card-preview-headline {
    font-weight: 700;
    font-size: var(--fs-xl);
    margin-bottom: var(--space-1);
}
.card-preview-message {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}
.card-preview-credit {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    font-style: italic;
}
.card-preview-date {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    opacity: 0.7;
}
.card-editor-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}
.card-editor-back {
    text-align: center;
}
@media (max-width: 767px) {
    .card-editor-layout {
        grid-template-columns: 1fr;
    }
}

/* ===== Focus visible helper ===== */
:focus-visible {
    outline: 2px solid var(--color-action-primary);
    outline-offset: 2px;
}