/* ------------------------------------------------------------------
   HOME SPECIFIC STYLES
   ------------------------------------------------------------------ */

.library-header {
    padding: 4rem 5vw 2rem 5vw;
    max-width: 1600px;
    margin: 0 auto;
}

h1.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
}

.controls-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 2rem;
}

.search-container {
    position: relative;
    flex: 1;
    min-width: 280px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.4;
    width: 18px;
}

input[type="text"] {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-subtle);
    padding: 12px 12px 12px 40px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--text-main);
    border-radius: 6px;
    transition: border 0.3s;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

.filter-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-chip {
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 100px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s var(--ease-out);
    font-weight: 500;
}

.filter-chip:hover {
    color: var(--text-main);
    border-color: var(--text-main);
}

.filter-chip.active {
    background: var(--text-main);
    color: var(--bg-color);
    border-color: var(--text-main);
}

/* GRID */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    padding: 2rem 5vw 6rem 5vw;
    max-width: 1600px;
    margin: 0 auto;
}

/* CARD */
.card {
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: transform 0.4s var(--ease-out), border-color 0.4s;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--text-muted);
    background: var(--card-hover);
}

.card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--accent);
    background: var(--card-hover);
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.card-visual {
    height: 220px;
    width: 100%;
    background: var(--tag-bg);
    position: relative;
    overflow: hidden;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.card-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 500;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
    color: var(--text-main);
}

.icon-arrow {
    transition: transform 0.3s;
}

.card:hover .icon-arrow {
    transform: translateX(4px);
}

/* Loading / No Results */
.message-state {
    grid-column: 1 / -1;
    padding: 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 1.2rem;
    opacity: 0.5;
}

@media(max-width: 768px) {
    .library-header {
        padding-top: 2rem;
    }

    h1.hero-title {
        margin-bottom: 1.5rem;
    }

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

    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
}

/* FOOTER */
.main-footer {
    padding: 4rem 5vw;
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.main-footer a {
    color: var(--text-main);
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 4px;
    font-weight: 500;
    transition: color 0.2s;
}

.main-footer a:hover {
    color: var(--accent);
}

/* ------------------------------------------------------------------
   VIEW ALL DOMAINS BUTTON (filter chip variant)
   ------------------------------------------------------------------ */
.view-all-domains-btn {
    border-color: var(--accent);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0;
    margin-left: 0.25rem;
}
.view-all-domains-btn:hover,
.view-all-domains-btn[aria-expanded="true"] {
    background: var(--accent);
    color: var(--bg-color);
    border-color: var(--accent);
}

/* ------------------------------------------------------------------
   DOMAINS OVERLAY
   ------------------------------------------------------------------ */
.domains-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
}

/* CRITICAL: override display:flex when the hidden attribute is present */
.domains-overlay[hidden] {
    display: none !important;
}

/* Translucent backdrop */
.domains-overlay-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.35s ease;
}
.domains-overlay.is-open .domains-overlay-backdrop {
    opacity: 1;
}

/* Side panel */
.domains-overlay-panel {
    position: relative;
    z-index: 1;
    width: min(680px, 100vw);
    height: 100dvh;
    background: var(--bg-color);
    border-left: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: hidden;
}
.domains-overlay.is-open .domains-overlay-panel {
    transform: translateX(0);
}

/* Panel header */
.domains-overlay-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem 2rem 1.5rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.domains-overlay-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--text-main);
    margin: 0 0 0.4rem 0;
    line-height: 1.2;
}

.domains-overlay-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
    max-width: 42ch;
}

/* Close button */
.domains-close-btn {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    margin-top: 0.25rem;
}
.domains-close-btn:hover,
.domains-close-btn:focus-visible {
    background: var(--text-main);
    color: var(--bg-color);
    border-color: var(--text-main);
    outline: none;
}

/* Scrollable body */
.domains-overlay-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2rem 4rem 2rem;
    overscroll-behavior: contain;
}

/* Domain section */
.domain-section {
    padding: 1.5rem 0;
}

.domain-section-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.domain-icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    margin-top: 0.15rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}
.domain-icon svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    flex-shrink: 0;
}

.domain-section-header > div {
    flex: 1;
}

.domain-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 0.3rem 0;
    line-height: 1.3;
}

.domain-sub {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.95em;
}

.domain-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
    max-width: unset;
}

/* Domain badges */
.domain-badge {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: 100px;
    white-space: nowrap;
    margin-top: 0.2rem;
}
.domain-badge--active {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.domain-badge--new {
    background: color-mix(in srgb, #f59e0b 12%, transparent);
    color: #b45309;
    border: 1px solid color-mix(in srgb, #f59e0b 35%, transparent);
}
[data-theme="dark"] .domain-badge--new {
    color: #fbbf24;
}

/* Concept list */
.concept-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
}

.concept-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    transition: background 0.2s;
}

/* Live concepts */
.concept-item--live {
    background: color-mix(in srgb, var(--accent) 5%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 15%, transparent);
}
.concept-item--live:hover {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}
.concept-item--live a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.2s;
}
.concept-item--live a:hover {
    color: var(--accent);
}

/* Roadmap / upcoming concepts */
.concept-item--soon {
    background: transparent;
    border: 1px solid var(--border-subtle);
    opacity: 0.65;
}
.concept-item--soon span:first-child {
    color: var(--text-muted);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Status pills */
.concept-status {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 7px;
    border-radius: 100px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent);
}
.concept-status--soon {
    background: color-mix(in srgb, var(--text-muted) 10%, transparent);
    color: var(--text-muted);
}

/* Divider between major domains */
.domain-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 0.5rem 0;
}

/* ------------------------------------------------------------------
   DOMAINS OVERLAY: RESPONSIVE
   ------------------------------------------------------------------ */
@media (max-width: 600px) {
    .domains-overlay-panel {
        width: 100vw;
        border-left: none;
    }
    .domains-overlay-header {
        padding: 1.5rem 1.25rem 1.25rem 1.25rem;
    }
    .domains-overlay-body {
        padding: 1rem 1.25rem 4rem 1.25rem;
    }
    .concept-list {
        grid-template-columns: 1fr;
    }
    .domains-overlay-title {
        font-size: 1.5rem;
    }
    .domain-badge {
        display: none;
    }
}

@media (max-width: 420px) {
    .domain-section-header {
        flex-wrap: wrap;
    }
}