/* interactive visualization container styles
   extracted from styles.css -- do not duplicate in the source file
   note: SVG content itself is generated in JS, these are container styles only */

/* ============================================== */
/* Interactive areas */
/* ============================================== */

.interactive-area {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.06) 0%,
        rgba(255, 255, 255, 0.02) 50%,
        rgba(255, 255, 255, 0.04) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl, 20px);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .interactive-area {
        padding: var(--spacing-lg);
    }
}

.interactive-label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding: 0.2rem 0.5rem;
    background: rgba(52, 211, 153, 0.08);
    border-radius: 4px;
}

@media (min-width: 768px) {
    .interactive-label {
        font-size: 0.75rem;
    }
}

/* dark mode interactive area */
html.dark .interactive-area {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.06) 0%,
        rgba(255, 255, 255, 0.02) 50%,
        rgba(255, 255, 255, 0.04) 100%
    );
    border-color: rgba(255, 255, 255, 0.1);
}

/* light mode interactive area */
[data-theme="light"] .interactive-area {
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.02) 0%,
        rgba(0, 0, 0, 0.01) 50%,
        rgba(0, 0, 0, 0.02) 100%
    );
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* ============================================== */
/* SVG containers */
/* ============================================== */

.svg-container {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.svg-container svg {
    max-width: 100%;
    height: auto;
}

/* ============================================== */
/* Amino acid explorer */
/* ============================================== */

.aa-explorer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.aa-group-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
}

.aa-group-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 500;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.aa-group-btn:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

.aa-group-btn.active {
    border-color: var(--color-primary);
    background: rgba(52, 211, 153, 0.06);
    color: var(--color-text);
}

.aa-group-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.aa-palette {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
    gap: 0.35rem;
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 600px) {
    .aa-palette {
        grid-template-columns: repeat(10, 1fr);
    }
}

.aa-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.4rem 0.2rem;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
    font-family: var(--font-sans);
    min-height: 48px;
}

.aa-tile:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.aa-tile.selected {
    border-color: var(--color-primary);
    background: rgba(52, 211, 153, 0.06);
    box-shadow: 0 0 0 2px var(--color-accent-glow);
}

.aa-tile.dimmed {
    opacity: 0.25;
    pointer-events: none;
}

.aa-tile-code {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    line-height: 1;
}

.aa-tile-name {
    font-size: 0.6rem;
    color: var(--color-text-muted);
    margin-top: 0.15rem;
}

/* amino acid detail panel */
.aa-detail {
    min-height: 80px;
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.aa-detail-placeholder {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: var(--spacing-sm) 0;
}

.aa-detail-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.aa-detail-big {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    font-family: var(--font-mono);
    border: 2.5px solid;
    border-radius: 8px;
    flex-shrink: 0;
}

.aa-detail-names {
    flex: 1;
    min-width: 0;
}

.aa-detail-name {
    font-size: 1rem;
    font-weight: 600;
}

.aa-detail-abbr {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.aa-detail-badge {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.aa-detail-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 0.35rem;
}

.aa-detail-mw {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
}

.aa-detail-mw strong {
    color: var(--color-text);
}

/* chain builder */
.aa-chain-section {
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.aa-chain-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.aa-chain-title {
    font-size: 0.85rem;
    font-weight: 600;
}

.aa-chain-clear {
    font-size: 0.72rem;
}

.aa-chain {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    min-height: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.aa-chain-placeholder {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    text-align: center;
    width: 100%;
}

.aa-chain-residue {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid;
    border-radius: 6px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    background: var(--color-surface);
}

.aa-chain-bond {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    letter-spacing: -2px;
}

.aa-chain-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.35rem;
}

.aa-chain-seq {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-primary);
}

/* ============================================== */
/* Bond formation animation */
/* ============================================== */

.bf-svg {
    transition: opacity 0.3s ease;
}

.bf-description {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    padding: 0.5rem 0.5rem var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .bf-description {
        font-size: 0.9rem;
    }
}

.bf-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.bf-steps {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.bf-step-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    -webkit-tap-highlight-color: transparent;
    font-family: var(--font-sans);
}

.bf-dot-inner {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    transition: all var(--transition);
    background: var(--color-surface);
}

.bf-step-dot.active .bf-dot-inner {
    border-color: var(--color-primary);
    background: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.bf-step-dot:hover .bf-dot-inner {
    border-color: var(--color-primary);
}

.bf-dot-label {
    font-size: 0.62rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
    white-space: nowrap;
}

.bf-step-dot.active .bf-dot-label {
    color: var(--color-primary);
    font-weight: 600;
}

.bf-prev, .bf-next {
    min-width: 60px;
}

.bf-prev:disabled, .bf-next:disabled {
    opacity: 0.35;
    pointer-events: none;
}

/* water release animation */
.bf-water-release {
    animation: bf-float 2s ease-in-out infinite alternate;
}

@keyframes bf-float {
    from { transform: translate(0, 0); }
    to { transform: translate(5px, -5px); }
}

@media (prefers-reduced-motion: reduce) {
    .bf-water-release {
        animation: none;
    }
}

/* ============================================== */
/* Folding visualizer */
/* ============================================== */

.fv-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.fv-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.35rem;
}

.fv-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem 0.35rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    cursor: pointer;
    transition: all var(--transition-smooth);
    -webkit-tap-highlight-color: transparent;
    font-family: var(--font-sans);
}

.fv-tab:hover {
    border-color: var(--tab-color, var(--color-primary));
    transform: translateY(-1px);
}

.fv-tab.active {
    border-color: var(--tab-color, var(--color-primary));
    background: color-mix(in srgb, var(--tab-color, var(--color-primary)) 6%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--tab-color, var(--color-primary)) 15%, transparent);
}

.fv-tab-num {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 50%;
    background: var(--color-disabled-bg);
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
    transition: all var(--transition);
}

.fv-tab.active .fv-tab-num {
    background: var(--tab-color, var(--color-primary));
    color: white;
}

.fv-tab-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
}

.fv-tab-sub {
    font-size: 0.62rem;
    color: var(--color-text-muted);
    text-align: center;
}

@media (max-width: 500px) {
    .fv-tab-sub {
        display: none;
    }
}

/* folding content area */
.fv-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

@media (min-width: 600px) {
    .fv-content {
        grid-template-columns: 1fr 1fr;
    }
}

.fv-svg-area {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.fv-desc-area {
    padding: var(--spacing-sm);
}

.fv-detail-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.fv-detail-example {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-style: italic;
    line-height: 1.5;
    padding: 0.5rem;
    background: var(--color-disabled-bg);
    border-radius: 4px;
}

/* ============================================== */
/* Body diagram interactive */
/* ============================================== */

.body-diagram-container {
    display: flex;
    justify-content: center;
    position: relative;
    min-height: 400px;
    padding: var(--spacing-md) 0;
}

@media (min-width: 768px) {
    .body-diagram-container {
        min-height: 500px;
    }
}

.bd-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    align-items: start;
}

@media (min-width: 600px) {
    .bd-layout {
        grid-template-columns: auto 1fr;
        gap: var(--spacing-md);
    }
}

.bd-svg-wrap {
    display: flex;
    justify-content: center;
}

.bd-silhouette .bd-hotspot {
    transition: opacity var(--transition);
}

.bd-silhouette .bd-hotspot:hover circle,
.bd-silhouette .bd-hotspot.active circle {
    opacity: 0.8;
}

.bd-detail-wrap {
    min-height: 200px;
}

.bd-detail-placeholder {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    padding: var(--spacing-lg) var(--spacing-sm);
}

.bd-detail-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid;
}

.bd-detail-header h4 {
    font-size: 1rem;
    font-weight: 600;
    flex: 1;
}

.bd-detail-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.bd-detail-count {
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.bd-peptide-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.bd-peptide-item {
    padding: 0.5rem 0.75rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
}

.bd-peptide-name {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.bd-peptide-role {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* site list for mobile and alternative navigation */
.bd-site-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.bd-site-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
    font-weight: 500;
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.bd-site-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.bd-site-btn.active {
    border-color: var(--color-primary);
    background: rgba(52, 211, 153, 0.06);
    color: var(--color-text);
    font-weight: 600;
}

.bd-site-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================== */
/* Receptor demo interactive */
/* ============================================== */

.rd-description {
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    padding: 0.5rem 0.5rem var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .rd-description {
        font-size: 0.9rem;
    }
}

.rd-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.rd-steps {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.rd-step-dot {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.2rem;
    -webkit-tap-highlight-color: transparent;
    font-family: var(--font-sans);
}

.rd-dot-inner {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    transition: all var(--transition);
    background: var(--color-surface);
}

.rd-step-dot.active .rd-dot-inner {
    border-color: var(--color-primary);
    background: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.rd-step-dot:hover .rd-dot-inner {
    border-color: var(--color-primary);
}

.rd-dot-label {
    font-size: 0.55rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
    white-space: nowrap;
    max-width: 55px;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rd-step-dot.active .rd-dot-label {
    color: var(--color-primary);
    font-weight: 600;
}

@media (max-width: 500px) {
    .rd-dot-label {
        display: none;
    }
}

.rd-prev, .rd-next {
    min-width: 60px;
}

.rd-prev:disabled, .rd-next:disabled {
    opacity: 0.35;
    pointer-events: none;
}