*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #1a1a2e;
    --bg-surface: #16213e;
    --bg-panel: rgba(22, 33, 62, 0.92);
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.15);
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.3);
    --ot-color: #f59e0b;
    --ot-glow: rgba(245, 158, 11, 0.35);
    --nt-color: #38bdf8;
    --nt-glow: rgba(56, 189, 248, 0.35);
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: Georgia, 'Times New Roman', serif;
    --radius: 8px;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    height: 100dvh;
    width: 100vw;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.97) 0%, rgba(26, 26, 46, 0.85) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
    transition: color 0.15s;
}
.back-link:hover { color: var(--accent); }

.header-title {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.header-title h1 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.2;
}
.header-title .subtitle {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-form {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    flex-shrink: 0;
}
.search-input {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 7px 12px;
    font-size: 14px;
    width: 180px;
    outline: none;
    transition: border-color 0.15s, width 0.2s;
    font-family: var(--font-sans);
}
.search-input:focus {
    border-color: var(--accent);
    width: 220px;
}
.search-input::placeholder { color: var(--text-muted); }

.search-btn {
    background: var(--accent);
    color: #0f172a;
    border: none;
    border-radius: var(--radius);
    padding: 7px 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
    font-family: var(--font-sans);
}
.search-btn:hover { opacity: 0.85; }
.search-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- Canvas --- */
.canvas-wrap {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
}
canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

/* --- Controls Panel --- */
.controls {
    position: fixed;
    bottom: 16px;
    right: 16px;
    z-index: 100;
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 16px;
    min-width: 210px;
    font-size: 13px;
}
.controls-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.controls-header span {
    font-weight: 600;
    font-size: 13px;
}
.controls-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 0 2px;
    line-height: 1;
}
.control-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.control-row label {
    color: var(--text-muted);
    font-size: 12px;
}
.control-row .value {
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    min-width: 24px;
    text-align: right;
}
.control-row input[type="range"] {
    width: 100%;
    margin-top: 4px;
    accent-color: var(--accent);
    height: 4px;
}
.control-group { margin-bottom: 6px; }

.reset-btn {
    width: 100%;
    margin-top: 6px;
    padding: 6px;
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-family: var(--font-sans);
}
.reset-btn:hover {
    background: rgba(148, 163, 184, 0.2);
    color: var(--text);
}

/* --- Loading overlay --- */
.loading-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(4px);
}
.spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

/* --- Error toast --- */
.error-toast {
    position: fixed;
    top: 64px;
    left: 50%; transform: translateX(-50%);
    z-index: 300;
    background: #7f1d1d;
    color: #fecaca;
    border: 1px solid #991b1b;
    border-radius: var(--radius);
    padding: 10px 20px;
    font-size: 13px;
    max-width: 400px;
    text-align: center;
}

/* --- Tooltip --- */
.tooltip {
    position: fixed;
    z-index: 150;
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    max-width: 280px;
    pointer-events: none;
    font-size: 13px;
    line-height: 1.45;
}
.tooltip-ref {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 4px;
}
.tooltip-text {
    color: var(--text-muted);
    font-family: var(--font-serif);
    font-size: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* --- Legend --- */
.legend {
    position: fixed;
    bottom: 16px;
    left: 16px;
    z-index: 100;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 14px;
    max-width: 320px;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.legend-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- Stats bar --- */
.stats-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 90;
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 6px 16px;
    background: linear-gradient(0deg, rgba(26,26,46,0.95) 0%, rgba(26,26,46,0) 100%);
    font-size: 11px;
    color: var(--text-muted);
    pointer-events: none;
}
.stats-bar .stat { display: flex; gap: 4px; align-items: center; }
.stats-bar .stat-val { color: var(--text); font-weight: 600; }

/* --- Verse info panel --- */
.verse-panel {
    position: fixed;
    top: 60px;
    right: 16px;
    z-index: 110;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px;
    width: 300px;
    max-height: calc(100dvh - 100px);
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.5;
}
.verse-panel-close {
    position: absolute;
    top: 10px; right: 12px;
    background: none; border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}
.verse-panel-ref {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    padding-right: 20px;
}
.verse-panel-text {
    font-family: var(--font-serif);
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.6;
}
.verse-panel-meta {
    font-size: 11px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.verse-panel-meta .tag {
    background: rgba(148,163,184,0.1);
    padding: 2px 8px;
    border-radius: 4px;
}
.verse-panel-connections {
    margin-top: 10px;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}
.verse-panel-connections h4 {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}
.connection-link {
    display: block;
    padding: 3px 0;
    color: var(--accent);
    text-decoration: none;
    font-size: 12px;
    cursor: pointer;
}
.connection-link:hover { text-decoration: underline; }

/* --- Search suggestions --- */
.search-suggestions {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    width: 220px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 110;
}
.suggestion-item {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}
.suggestion-item:hover { background: rgba(56,189,248,0.1); }
.suggestion-item .ref { color: var(--text); }
.suggestion-item .desc { color: var(--text-muted); font-size: 11px; }

/* --- Focus bar (hovered/selected verse) --- */
.focus-bar {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 105;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 28px;
    max-width: 640px;
    width: calc(100vw - 260px);
    text-align: center;
    pointer-events: none;
}
.focus-ref {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}
.focus-text {
    font-size: 15px;
    font-family: var(--font-serif);
    color: var(--text-muted);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.focus-path {
    font-size: 12px;
    color: var(--accent);
    margin-top: 5px;
    opacity: 0.8;
}

/* --- History breadcrumb trail --- */
.history-bar {
    position: fixed;
    top: 52px;
    left: 0; right: 0;
    z-index: 95;
    display: flex;
    align-items: center;
    gap: 0;
    padding: 4px 16px;
    background: rgba(22, 33, 62, 0.88);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    font-size: 12px;
}
.history-bar::-webkit-scrollbar { display: none; }
.history-crumb {
    display: flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    flex-shrink: 0;
}
.history-crumb a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}
.history-crumb a:hover {
    color: var(--text);
    background: rgba(148,163,184,0.1);
}
.history-crumb a.active {
    color: var(--accent);
    font-weight: 600;
}
.history-sep {
    color: var(--text-muted);
    opacity: 0.4;
    padding: 0 2px;
    font-size: 10px;
}

/* --- Pinned verses panel --- */
.pinned-bar {
    position: fixed;
    top: 52px;
    left: 16px;
    z-index: 100;
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px 10px;
    max-width: 200px;
    font-size: 12px;
}
.pinned-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.pinned-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 4px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}
.pinned-item:hover { background: rgba(148,163,184,0.1); }
.pinned-item .pin-ref {
    color: var(--accent);
    font-size: 12px;
}
.pinned-item .pin-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    opacity: 0;
    transition: opacity 0.15s;
}
.pinned-item:hover .pin-remove { opacity: 1; }

/* Adjust verse panel position when history bar is showing */
.verse-panel-with-history {
    top: 80px;
}

/* --- Points to Jesus --- */
.ptj-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border: 1px solid rgba(251, 191, 36, 0.4);
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.08) 0%, rgba(245, 158, 11, 0.05) 100%);
    color: #fbbf24;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.25s ease;
    flex-shrink: 0;
}
.ptj-toggle:hover {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.18) 0%, rgba(245, 158, 11, 0.12) 100%);
    border-color: rgba(251, 191, 36, 0.6);
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.2);
}
.ptj-toggle.active {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.25) 0%, rgba(245, 158, 11, 0.18) 100%);
    border-color: #fbbf24;
    box-shadow: 0 0 16px rgba(251, 191, 36, 0.3), inset 0 0 8px rgba(251, 191, 36, 0.1);
}
.ptj-cross {
    font-size: 16px;
    line-height: 1;
    filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.5));
}
.ptj-toggle.active .ptj-cross {
    animation: ptj-glow 2s ease-in-out infinite;
}
@keyframes ptj-glow {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.5)); }
    50% { filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.9)); }
}
.ptj-method-select {
    flex-shrink: 0;
}
.ptj-method-desc {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 3px;
    max-width: 200px;
    line-height: 1.3;
}
.ptj-label {
    font-size: 11px;
}

/* --- Chain Panel (View Chain) --- */
.chain-btn {
    background: linear-gradient(135deg, rgba(251,191,36,0.15), rgba(245,158,11,0.1));
    color: #fbbf24;
    border: 1px solid rgba(251,191,36,0.4);
    border-radius: 12px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font-sans);
}
.chain-btn:hover {
    background: linear-gradient(135deg, rgba(251,191,36,0.25), rgba(245,158,11,0.18));
    border-color: #fbbf24;
    box-shadow: 0 0 8px rgba(251,191,36,0.2);
}

.chain-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 115;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: min(640px, calc(100vw - 48px));
    max-height: min(80vh, calc(100dvh - 80px));
    display: flex;
    flex-direction: column;
    font-size: 13px;
}
.chain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px 8px;
    border-bottom: 1px solid var(--border);
}
.chain-header h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}
.chain-close {
    background: none; border: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
}
.chain-summary {
    padding: 6px 16px;
    font-size: 11px;
    color: var(--text-muted);
}
.chain-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 16px 8px 12px;
}
.chain-footer {
    padding: 8px 16px;
    border-top: 1px solid var(--border);
}

/* Timeline steps */
.chain-step { display: flex; gap: 10px; }
.chain-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    width: 16px;
}
.chain-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-surface);
    box-shadow: 0 0 0 1.5px var(--accent);
    flex-shrink: 0;
    z-index: 1;
}
.chain-dot-seed {
    background: #fbbf24;
    box-shadow: 0 0 0 1.5px #fbbf24;
}
.chain-dot-christ {
    background: #fef3c7;
    box-shadow: 0 0 0 2px #fbbf24, 0 0 8px rgba(251,191,36,0.5);
    width: 12px; height: 12px;
}
.chain-dot-start {
    background: var(--accent);
    box-shadow: 0 0 0 1.5px var(--accent);
}
.chain-line {
    flex: 1;
    background: var(--border);
    min-height: 8px;
    border-radius: 1px;
}
.chain-content {
    flex: 1;
    padding-bottom: 12px;
    cursor: pointer;
    border-radius: 6px;
    padding-right: 4px;
    transition: background 0.15s;
}
.chain-content:hover { background: rgba(148,163,184,0.06); }
.chain-ref-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.chain-ref {
    font-weight: 700;
    font-size: 13px;
    color: var(--accent);
}
.chain-badge {
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 1px 6px;
    border-radius: 999px;
}
.chain-badge-seed {
    background: rgba(251,191,36,0.15);
    color: #fbbf24;
}
.chain-badge-start {
    background: rgba(56,189,248,0.15);
    color: var(--accent);
}
.chain-testament {
    font-size: 9px;
    color: var(--text-muted);
    margin-left: auto;
}
.chain-text {
    margin-top: 3px;
    font-family: var(--font-serif);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
}
.chain-step-christ .chain-ref { color: #fbbf24; }
.chain-step-seed .chain-text { color: var(--text); }

/* --- Set Target button in verse panel --- */
.set-target-btn {
    background: none;
    border: 1px solid rgba(34,197,94,0.4);
    border-radius: 4px;
    color: #22c55e;
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.15s;
    font-family: var(--font-sans);
}
.set-target-btn:hover {
    background: rgba(34,197,94,0.1);
    border-color: #22c55e;
}
.set-target-btn.active {
    color: #fbbf24;
    border-color: rgba(251,191,36,0.6);
    background: rgba(251,191,36,0.1);
}

/* --- PTJ Mobile Bar (second header row on mobile) --- */
.ptj-mobile-bar {
    display: none;
}

/* --- Seed Edit Button --- */
.seed-edit-btn {
    background: none;
    border: 1px solid rgba(251,191,36,0.3);
    border-radius: 6px;
    color: #fbbf24;
    cursor: pointer;
    padding: 3px 8px;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.15s;
    flex-shrink: 0;
}
.seed-edit-btn:hover {
    background: rgba(251,191,36,0.1);
    border-color: #fbbf24;
}

/* --- Seed Verse Panel --- */
.seed-backdrop {
    position: fixed;
    inset: 0;
    z-index: 114;
    background: rgba(26, 26, 46, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.seed-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 115;
    background: var(--bg-panel);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: min(480px, calc(100vw - 32px));
    max-height: min(70vh, calc(100dvh - 80px));
    display: flex;
    flex-direction: column;
    font-size: 13px;
}
.seed-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 18px 8px;
}
.seed-panel-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: #fbbf24;
    margin: 0;
}
.seed-count {
    font-size: 11px;
    color: var(--text-muted);
}
.seed-panel-desc {
    font-size: 11px;
    color: var(--text-muted);
    padding: 4px 18px 8px;
    line-height: 1.4;
    margin: 0;
    border-bottom: 1px solid var(--border);
}
.seed-panel-body {
    overflow-y: auto;
    padding: 4px 10px 10px;
    flex: 1;
}
.seed-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
}
.seed-item:hover {
    background: rgba(251,191,36,0.06);
}
.seed-item-off {
    opacity: 0.4;
}
.seed-item input[type="checkbox"] {
    accent-color: #fbbf24;
    margin-top: 3px;
    flex-shrink: 0;
}
.seed-item-content {
    flex: 1;
    min-width: 0;
}
.seed-ref {
    font-weight: 600;
    color: #fbbf24;
    display: block;
    font-size: 12px;
}
.seed-text {
    font-family: var(--font-serif);
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.seed-panel-footer {
    display: flex;
    gap: 8px;
    padding: 10px 18px;
    border-top: 1px solid var(--border);
}
.seed-all-btn {
    flex: 1;
    padding: 6px;
    background: var(--bg-surface);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
}
.seed-all-btn:hover {
    color: var(--text);
    border-color: #fbbf24;
}

/* --- Chain Backdrop --- */
.chain-backdrop {
    position: fixed;
    inset: 0;
    z-index: 114;
    background: rgba(26, 26, 46, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* --- Chain action buttons --- */
.chain-action-btn {
    background: rgba(148,163,184,0.1);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    cursor: pointer;
    transition: all 0.15s;
    font-family: var(--font-sans);
}
.chain-action-btn:hover {
    background: rgba(148,163,184,0.2);
    color: var(--text);
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .header { padding: 8px 10px; gap: 8px; flex-wrap: wrap; }
    .header-title { display: none; }
    .header > .pin-center-btn { display: none; }
    .search-form { margin-left: auto; }
    .search-input { width: 110px; font-size: 13px; padding: 6px 10px; }
    .search-input:focus { width: 140px; }
    .search-btn { padding: 6px 10px; font-size: 13px; }
    .controls { bottom: 10px; right: 10px; min-width: 190px; padding: 10px 12px; }
    .legend { bottom: 10px; left: 10px; padding: 6px 10px; font-size: 11px; gap: 10px; }
    .back-link { font-size: 13px; }
    .history-bar { padding: 4px 10px; font-size: 11px; }
    .pinned-bar { left: 10px; max-width: 160px; padding: 6px 8px; }
    .verse-panel { width: calc(100vw - 32px); right: 16px; }
    .focus-bar { width: calc(100vw - 32px); max-width: none; padding: 10px 16px; bottom: 24px; }
    .focus-ref { font-size: 16px; }
    .focus-text { font-size: 13px; -webkit-line-clamp: 3; }
    .ptj-label { display: none; }
    .ptj-method-select { display: none; }

    /* Show mobile PTJ bar as second row */
    .ptj-mobile-bar {
        display: flex;
        width: 100%;
        gap: 8px;
        align-items: center;
        padding-top: 6px;
    }
    .ptj-mobile-bar select {
        flex: 1;
        padding: 5px 8px;
        background: var(--bg-surface);
        color: var(--text);
        border: 1px solid var(--border);
        border-radius: 6px;
        font-size: 12px;
        font-family: var(--font-sans);
    }
    .ptj-mobile-bar .ptj-method-desc {
        display: none;
    }

    /* Seed panel = full screen on mobile */
    .seed-panel {
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        max-height: 100dvh;
        border-radius: 0;
    }

    /* Chain modal = full screen on mobile */
    .chain-panel {
        top: 0;
        left: 0;
        transform: none;
        width: 100vw;
        height: 100dvh;
        max-height: 100dvh;
        border-radius: 0;
    }
}

@media (max-width: 400px) {
    .search-input { width: 90px; }
    .search-input:focus { width: 120px; }
}