@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Crimson+Text:ital,wght@0,400;0,600;1,400&display=swap');

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

body {
    font-family: 'Crimson Text', Georgia, serif;
    background: #0a0a0c;
    color: #c4b998;
    overflow: hidden;
    height: 100vh;
}

/* Subtle texture overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(180, 140, 80, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(120, 80, 40, 0.03) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
}

/* Upload screen */
#upload-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 500;
    background: #0a0a0c;
}

#upload-screen.hidden {
    display: none;
}

#upload-screen h1 {
    font-family: 'Cinzel', serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: #d4c4a8;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    margin-bottom: 8px;
}

#upload-screen .subtitle {
    font-size: 1.1rem;
    color: #8a7d65;
    margin-bottom: 40px;
    font-style: italic;
}

#drop-zone {
    width: 500px;
    max-width: 90vw;
    padding: 60px 40px;
    border: 2px dashed #3a3020;
    background: rgba(30, 28, 24, 0.5);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

#drop-zone:hover,
#drop-zone.dragover {
    border-color: #6a5d45;
    background: rgba(40, 38, 32, 0.7);
}

#drop-zone .icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.6;
}

#drop-zone p {
    font-size: 1.1rem;
    color: #9a8d75;
    margin-bottom: 10px;
}

#drop-zone .hint {
    font-size: 0.9rem;
    color: #6a5d45;
}

#file-input {
    display: none;
}

#error-message {
    margin-top: 20px;
    color: #c45a2c;
    font-size: 0.95rem;
    max-width: 500px;
    text-align: center;
}

#demo-section {
    margin-top: 30px;
    text-align: center;
}

.demo-separator {
    color: #5a5040;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

#demo-btn {
    background: linear-gradient(135deg, #2a2520 0%, #1a1814 100%);
    border: 1px solid #4a4030;
    color: #c4b998;
    padding: 12px 28px;
    font-family: 'Cinzel', serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 0.05em;
}

#demo-btn:hover {
    border-color: #6a5d45;
    background: linear-gradient(135deg, #3a3530 0%, #2a2824 100%);
    color: #d4c4a8;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

/* Main UI */
#main-ui {
    display: none;
}

#main-ui.visible {
    display: block;
}

#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: linear-gradient(to bottom, rgba(10, 10, 12, 0.95), rgba(10, 10, 12, 0.8), transparent);
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

#header h1 {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #d4c4a8;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.subtitle {
    font-size: 0.85rem;
    color: #8a7d65;
    margin-top: 4px;
    font-style: italic;
}

#controls {
    display: flex;
    gap: 12px;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

#controls-left {
    display: flex;
    gap: 8px;
    align-items: center;
}

#search-container {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

#controls-right {
    display: flex;
    gap: 8px;
    align-items: center;
}

#explorer-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Mode Selector - Toggle Switch */
#mode-selector {
    display: flex;
    gap: 0;
    background: #1a1814;
    padding: 3px;
    border-radius: 6px;
    border: 1px solid #3a3020;
}

.mode-btn {
    background: transparent;
    border: none;
    color: #6a5d45;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.mode-btn:hover:not(.active) {
    color: #9a8d75;
}

.mode-btn.active {
    background: #3a3020;
    color: #d4c4a8;
    font-weight: 500;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3);
}


#reset-exploration-btn {
    background: rgba(139, 69, 69, 0.3);
    border: 1px solid #8b4545;
    color: #d9a9a9;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

#reset-exploration-btn:hover {
    background: rgba(139, 69, 69, 0.5);
    border-color: #c96969;
    color: #ffcccc;
}

/* Streamer mode button */
#streamer-mode-btn {
    background: rgba(145, 70, 180, 0.3);
    border: 1px solid #9046b4;
    color: #d0a0e8;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

#streamer-mode-btn:hover,
#streamer-mode-btn.active {
    background: rgba(145, 70, 180, 0.5);
    border-color: #b060d4;
    color: #e8c0ff;
}

#streamer-mode-btn.connected {
    background: rgba(70, 180, 100, 0.3);
    border-color: #46b464;
    color: #a0e8b0;
}

/* Streamer modal */
#streamer-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

#streamer-modal.visible {
    display: flex;
}

.streamer-modal-content {
    position: relative;
    background: linear-gradient(145deg, #1a1815 0%, #12100d 100%);
    border: 1px solid #3a3530;
    border-radius: 12px;
    padding: 24px;
    max-width: 450px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: #6a5a4a;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s;
}

.modal-close-btn:hover {
    color: #c9a227;
}

.streamer-modal-content h3 {
    font-family: 'Cinzel', serif;
    color: #c9a227;
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.streamer-modal-content p {
    color: #9a8d75;
    margin-bottom: 16px;
    line-height: 1.5;
}

.session-code-display {
    background: #0a0908;
    border: 2px solid #c9a227;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
    margin-bottom: 16px;
}

.session-code-display .code {
    font-family: 'Courier New', monospace;
    font-size: 2rem;
    color: #c9a227;
    letter-spacing: 4px;
    font-weight: bold;
}

.session-code-input {
    width: 100%;
    padding: 12px;
    background: #0a0908;
    border: 1px solid #3a3530;
    border-radius: 6px;
    color: #c4b998;
    font-family: 'Courier New', monospace;
    font-size: 1.2rem;
    text-align: center;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.session-code-input:focus {
    outline: none;
    border-color: #c9a227;
}

.streamer-modal-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.streamer-modal-buttons button {
    flex: 1;
    min-width: 120px;
    padding: 12px;
    border-radius: 6px;
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: linear-gradient(135deg, #c9a227 0%, #8b7355 100%);
    border: none;
    color: #1a1a1a;
    font-weight: 600;
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 10px rgba(201, 162, 39, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid #5a5040;
    color: #9a8d75;
}

.btn-secondary:hover {
    border-color: #8a7050;
    color: #c4b998;
}

.btn-viewer {
    background: linear-gradient(135deg, #4682b4 0%, #2c5a7c 100%);
    border: none;
    color: #fff;
}

.btn-viewer:hover {
    box-shadow: 0 2px 10px rgba(70, 130, 180, 0.4);
}

.btn-disconnect {
    background: rgba(180, 70, 70, 0.3);
    border: 1px solid #b44646;
    color: #e8a0a0;
}

.btn-disconnect:hover {
    background: rgba(180, 70, 70, 0.5);
}

.sync-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding: 8px 12px;
    background: rgba(70, 180, 100, 0.1);
    border-radius: 6px;
    color: #a0e8b0;
    font-size: 0.85rem;
}

.sync-status.disconnected {
    background: rgba(180, 70, 70, 0.1);
    color: #e8a0a0;
}

.sync-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #46b464;
    animation: pulse 2s infinite;
}

.sync-status.disconnected .sync-dot {
    background: #b44646;
    animation: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Viewer mode (OBS overlay) */
body.viewer-mode {
    background: transparent !important;
}

body.viewer-mode::before {
    display: none;
}

body.viewer-mode #header {
    display: none !important;
}

body.viewer-mode #legend,
body.viewer-mode #stats,
body.viewer-mode #help {
    display: none !important;
}

body.viewer-mode .tooltip {
    display: none !important;
}

body.viewer-mode #graph-container {
    background: transparent !important;
}

/* Improve text rendering in viewer mode */
body.viewer-mode .node text {
    paint-order: stroke fill;
    stroke: #000;
    stroke-width: 3px;
    stroke-linecap: round;
    stroke-linejoin: round;
    font-weight: 600;
}

body.viewer-mode svg {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selected node indicator in viewer mode (target appearance) */
body.viewer-mode .node.viewer-selected circle {
    stroke: #fff !important;
    stroke-width: 3px !important;
    filter: drop-shadow(0 0 8px #c9a227) drop-shadow(0 0 16px #c9a227);
}

/* Boss nodes get orange stroke when selected */
body.viewer-mode .node.boss.viewer-selected circle {
    stroke: #ff6b35 !important;
    filter: drop-shadow(0 0 8px #ff6b35) drop-shadow(0 0 16px #ff6b35);
}

/* Animated ring around selected node */
body.viewer-mode .node.viewer-selected .selection-ring {
    fill: none;
    stroke: #c9a227;
    stroke-width: 2px;
    opacity: 0.8;
    animation: pulse-ring 1.5s ease-in-out infinite;
}

/* Orange ring for boss nodes */
body.viewer-mode .node.boss.viewer-selected .selection-ring {
    stroke: #ff6b35;
}

@keyframes pulse-ring {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.3;
    }
}

label {
    font-size: 0.9rem;
    color: #9a8d75;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

label:hover {
    color: #c4b998;
}

input[type="checkbox"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid #5a4d35;
    background: #1a1a1c;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}

input[type="checkbox"]:checked {
    background: #3a3020;
    border-color: #8a7d55;
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 11px;
    color: #c4a960;
}

#search {
    background: #1a1a1c;
    border: 1px solid #3a3020;
    color: #c4b998;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 0.9rem;
    width: 220px;
    transition: all 0.2s;
}

#search:focus {
    outline: none;
    border-color: #6a5d45;
    background: #1e1e20;
}

#search::placeholder {
    color: #5a5040;
}

#search-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a1a1c;
    border: 1px solid #3a3020;
    border-top: none;
    border-radius: 0 0 6px 6px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

#search-dropdown.visible {
    display: block;
}

.search-result {
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #2a2520;
    transition: background 0.2s;
}

.search-result:last-child {
    border-bottom: none;
}

.search-result:hover {
    background: rgba(100, 90, 70, 0.2);
}

.search-result-name {
    color: #c4b998;
    font-size: 0.9rem;
}

.search-result-status {
    font-size: 0.75rem;
    color: #6a6050;
    margin-left: 8px;
}

.search-result-btn {
    background: linear-gradient(135deg, #4a7c59 0%, #3a5a45 100%);
    border: none;
    color: #e0f0e0;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    white-space: nowrap;
    transition: all 0.2s;
}

.search-result-btn:hover {
    background: linear-gradient(135deg, #5a9c69 0%, #4a7a55 100%);
    transform: scale(1.05);
}

#new-file-btn {
    background: transparent;
    border: 1px solid #3a3020;
    color: #9a8d75;
    padding: 8px 14px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

#new-file-btn:hover {
    border-color: #6a5d45;
    color: #c4b998;
}

#add-item-log-btn {
    background: transparent;
    border: 1px solid #4a6040;
    color: #8a9d75;
    padding: 8px 14px;
    font-family: inherit;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

#add-item-log-btn:hover {
    border-color: #6a8050;
    color: #a4c898;
    background: rgba(80, 120, 60, 0.1);
}

#add-item-log-btn.loaded {
    border-color: #6a8050;
    color: #a4c898;
}

#graph-container {
    width: 100%;
    height: 100vh;
}

svg {
    width: 100%;
    height: 100%;
}

/* Link styles */
.link {
    fill: none;
    stroke-opacity: 0.6;
    transition: stroke-opacity 0.2s, stroke-width 0.2s;
}

.link.random {
    stroke: #8a8070;
    stroke-width: 2.5px;
}

.link.preexisting {
    stroke: #5a6a7a;
    stroke-width: 1.5px;
    stroke-dasharray: 6, 4;
}

.link.requires-item {
    stroke: #e0a020 !important;
    stroke-width: 3.5px !important;
    filter: drop-shadow(0 0 5px rgba(224, 160, 32, 0.7));
}

.link.requires-item.preexisting {
    stroke: #d09018 !important;
    stroke-width: 3px !important;
}

.link.highlighted {
    stroke-opacity: 1;
    stroke-width: 4px;
}

.link.dimmed {
    stroke-opacity: 0.1;
}

/* Arrow markers */
marker path {
    fill: inherit;
}

/* Node styles */
.node circle {
    stroke-width: 2px;
    transition: all 0.2s;
    cursor: pointer;
}

/* Base colors by node type - passage nodes have same fill and stroke */
.node.normal circle {
    fill: #6a6050;
    stroke: #6a6050;
}

.node.boss circle {
    fill: #a85030;
    stroke: #a85030;
}

.node.start circle {
    fill: #40a080;
    stroke: #40a080;
}

.node.end circle {
    fill: #c0a040;
    stroke: #c0a040;
}

/* Hub/interchange nodes: hollow with thicker border */
.node.hub circle {
    fill-opacity: 0.3;
    stroke-width: 3px;
}

.node.hub.normal circle {
    fill: #1a1810;
    stroke: #8a8060;
}

.node.hub.boss circle {
    fill: #2a1010;
    stroke: #c86040;
}

.node.hub.start circle {
    fill: #102020;
    stroke: #50c090;
}

.node.hub.end circle {
    fill: #201810;
    stroke: #d0b050;
}

.node:hover circle,
.node.highlighted circle {
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px currentColor);
}

.node.hub:hover circle,
.node.hub.highlighted circle {
    stroke-width: 4px;
}

.node.normal:hover circle,
.node.normal.highlighted circle {
    fill: #a0906a;
    stroke: #a0906a;
}

.node.boss:hover circle,
.node.boss.highlighted circle {
    fill: #d06040;
    stroke: #d06040;
}

.node.start:hover circle,
.node.start.highlighted circle {
    fill: #60d0a0;
    stroke: #60d0a0;
}

.node.end:hover circle,
.node.end.highlighted circle {
    fill: #e0c060;
    stroke: #e0c060;
}

/* Hub nodes keep distinct fill/stroke on hover */
.node.hub.normal:hover circle,
.node.hub.normal.highlighted circle {
    fill: #1a1810;
    stroke: #a0906a;
}

.node.hub.boss:hover circle,
.node.hub.boss.highlighted circle {
    fill: #2a1010;
    stroke: #d06040;
}

.node.hub.start:hover circle,
.node.hub.start.highlighted circle {
    fill: #102020;
    stroke: #60d0a0;
}

.node.hub.end:hover circle,
.node.hub.end.highlighted circle {
    fill: #201810;
    stroke: #e0c060;
}

.node.dimmed circle {
    opacity: 0.2;
}

/* Frontier highlight styles */
.node.frontier-highlight circle {
    fill: #60a0d0 !important;
    stroke: #80c0f0 !important;
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px #60a0d0);
    /* Animation disabled for performance */
}

/*
.node.access-highlight circle {
    fill: #50c080 !important;
    stroke: #70e0a0 !important;
    stroke-width: 3px;
    filter: drop-shadow(0 0 8px #50c080);
}
    */

.node.frontier-highlight text,
.node.access-highlight text {
    fill: #ffffff !important;
    opacity: 1 !important;
}

.link.frontier-highlight {
    stroke-opacity: 1 !important;
    stroke-width: 4px !important;
}

/* When dimmed is applied on top of frontier highlighting (e.g., when clicking a node) */
.node.frontier-highlight.dimmed circle,
.node.access-highlight.dimmed circle {
    opacity: 0.2 !important;
    filter: none !important;
}

.node.frontier-highlight.dimmed text,
.node.access-highlight.dimmed text {
    fill: #a09080 !important;
    opacity: 0.2 !important;
}

.link.frontier-highlight.dimmed {
    stroke-opacity: 0.1 !important;
    stroke-width: 2px !important;
    filter: none !important;
}

/* pulse-frontier removed for performance */

.node text {
    font-family: 'Crimson Text', serif;
    font-size: 11px;
    fill: #a09080;
    pointer-events: none;
    text-shadow: 
        -1px -1px 2px #0a0a0c,
        1px -1px 2px #0a0a0c,
        -1px 1px 2px #0a0a0c,
        1px 1px 2px #0a0a0c;
    transition: fill 0.2s, opacity 0.2s;
}

.node:hover text,
.node.highlighted text {
    fill: #d4c4a8;
}

.node.dimmed text {
    opacity: 0.2;
}

/* Exploration Mode - Undiscovered nodes */
.node.undiscovered circle {
    fill: #2a2520 !important;
    stroke: #4a4030 !important;
    stroke-dasharray: 3 2;
}

.node.undiscovered text {
    fill: #6a5a4a !important;
    font-style: italic;
}

.node.undiscovered.accessible circle {
    stroke: #6a5a4a !important;
    stroke-opacity: 0.8;
    /* Animation disabled for performance - was causing constant repaints */
}

/* Tags */
.node-tags {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.node-tag {
    font-size: 1.1rem;
    padding: 4px;
    border-radius: 4px;
    cursor: default;
    transition: all 0.2s;
    opacity: 1;
}

.node-tag.inactive {
    opacity: 0.3;
    filter: grayscale(0.8);
}

.node-tag.clickable {
    cursor: pointer;
}

.node-tag.clickable:hover {
    transform: scale(1.2);
    opacity: 1;
    filter: none;
}

/* Tag selector styles removed - tags now inline */

/* Discover button */
.discover-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: linear-gradient(135deg, #c9a227 0%, #8b7355 100%);
    border: none;
    border-radius: 6px;
    color: #1a1a1a;
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.discover-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 2px 10px rgba(201, 162, 39, 0.4);
}

/* Undiscover button */
.undiscover-btn {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 8px;
    background: linear-gradient(135deg, #5a5040 0%, #3a3020 100%);
    border: 1px solid #6a5a4a;
    border-radius: 6px;
    color: #a09080;
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s;
}

.undiscover-btn:hover {
    background: linear-gradient(135deg, #6a5040 0%, #4a3020 100%);
    color: #c0a080;
    border-color: #8a6a4a;
}

/* Discovery notification */
#discovery-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, #2a4030 0%, #1a2820 100%);
    border: 1px solid #4a8060;
    padding: 12px 24px;
    border-radius: 8px;
    z-index: 1000;
    color: #a0e0c0;
    font-size: 0.95rem;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

#discovery-notification.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Tooltip */
#tooltip {
    position: fixed;
    background: linear-gradient(135deg, #1a1814 0%, #0e0d0a 100%);
    border: 1px solid #4a4030;
    padding: 14px 18px;
    font-size: 0.9rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.15s;
    z-index: 200;
    max-width: 450px;
    max-height: 70vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

#tooltip.visible {
    opacity: 1;
}

#tooltip h3 {
    font-family: 'Cinzel', serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: move;
    color: #d4c4a8;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid #3a3020;
}

#tooltip .boss-badge {
    display: inline-block;
    background: #4a2020;
    color: #d08060;
    font-size: 0.7rem;
    padding: 2px 8px;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Cinzel', serif;
}

#tooltip p {
    color: #9a8d75;
    line-height: 1.5;
    margin: 4px 0;
}

#tooltip .scaling {
    color: #7a9a7a;
}

#tooltip .connections {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid #2a2520;
}

#tooltip .conn-title {
    font-size: 0.8rem;
    color: #6a5d45;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 6px;
}

#tooltip .key-items {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid #4a6040;
}

#tooltip .key-items .conn-title {
    color: #7a9a5a;
}

#tooltip .key-item {
    font-size: 0.85rem;
    padding: 3px 6px;
    margin: 2px 0;
    color: #b8c898;
    display: flex;
    align-items: center;
    gap: 6px;
}

#tooltip .key-item::before {
    content: '🔑';
    font-size: 0.75rem;
}

#tooltip .conn-item .requires-info {
    font-size: 0.75rem;
    color: #b89040;
    margin-top: 2px;
    padding-left: 16px;
    display: none;
}

#tooltip .conn-item:hover .requires-info {
    display: block;
}

#tooltip .conn-item.has-requirement {
    border-left: 2px solid #b89040;
    padding-left: 8px;
}

#tooltip .conn-item {
    font-size: 0.85rem;
    padding: 4px 6px;
    margin: 2px 0;
    cursor: default;
    border-radius: 3px;
    transition: background 0.15s;
}

#tooltip .conn-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

#tooltip .conn-item.random {
    color: #a09080;
}

#tooltip .conn-item.preexisting {
    color: #7a8a9a;
}

#tooltip .conn-details {
    font-size: 0.8rem;
    color: #a09080;
    font-style: italic;
    margin-top: 2px;
    padding-left: 16px;
    display: none;
}

#tooltip .conn-item:hover .conn-details {
    display: block;
}

#tooltip.pinned {
    pointer-events: auto;
}

#tooltip .close-btn {
    position: absolute;
    top: 8px;
    right: 10px;
    cursor: pointer;
    color: #6a5d45;
    font-size: 1.2rem;
    line-height: 1;
    transition: color 0.15s;
    display: none;
}

#tooltip.pinned .close-btn {
    display: block;
}

#tooltip .close-btn:hover {
    color: #c4b998;
}

/* Legend */
#legend {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(10, 10, 12, 0.9);
    border: 1px solid #3a3020;
    padding: 14px 18px;
    z-index: 100;
}

#legend h4 {
    font-family: 'Cinzel', serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: #9a8d75;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 6px 0;
    font-size: 0.85rem;
}

.legend-line {
    width: 30px;
    height: 3px;
}

.legend-line.random {
    background: #8a8070;
}

.legend-line.preexisting {
    background: repeating-linear-gradient(
        90deg,
        #5a6a7a 0px,
        #5a6a7a 6px,
        transparent 6px,
        transparent 10px
    );
}

.legend-node {
    width: 14px;
    height: 14px;
    border-radius: 50%;
}

.legend-node.normal {
    background: #6a6050;
    border: 2px solid #6a6050;
}

.legend-node.boss {
    background: #a85030;
    border: 2px solid #a85030;
}

.legend-node.start {
    background: #40a080;
    border: 2px solid #40a080;
}

.legend-node.end {
    background: #c0a040;
    border: 2px solid #c0a040;
}

.legend-node.hub {
    background: rgba(26, 24, 16, 0.3);
    border-width: 3px;
}

.legend-node.hub.normal {
    border-color: #8a8060;
}

/* Legend requires-item line */
.legend-line.requires-item {
    background: #e0a020;
}

/* Legend separator (for passage/hub distinction) */
.legend-item.legend-separator {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #2a2520;
}

/* Hidden elements (controlled by JS) */
.hidden {
    display: none !important;
}

/* Viewer URL display in streamer modal */
.viewer-url-display {
    margin-bottom: 16px;
}

.viewer-url-display label {
    font-size: 0.8rem;
    color: #6a5a4a;
    display: block;
    margin-bottom: 6px;
}

.viewer-url-display .url-input-group {
    display: flex;
    gap: 8px;
}

.viewer-url-display input[type="text"] {
    flex: 1;
    padding: 8px;
    background: #0a0908;
    border: 1px solid #3a3530;
    border-radius: 4px;
    color: #c9a227;
    font-size: 0.75rem;
    font-family: monospace;
}

.viewer-url-display .btn-copy {
    padding: 8px 12px;
    white-space: nowrap;
}

/* Session code hint */
.session-code-hint {
    font-size: 0.8rem;
    color: #6a5a4a;
    margin-top: 8px;
}

/* Streamer modal buttons spacing */
.streamer-modal-buttons.spaced {
    margin-top: 16px;
}

/* Join form spacing */
#join-form {
    margin-top: 16px;
}

/* Stats */
#stats {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(10, 10, 12, 0.9);
    border: 1px solid #3a3020;
    padding: 14px 18px;
    z-index: 100;
    text-align: right;
}

#stats-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid #3a3020;
    text-align: left;
}

#stats-options label {
    font-size: 0.85rem;
}

/* Stats tags section */
#stats-tags {
    padding-bottom: 12px;
    margin-bottom: 12px;
    border-bottom: 1px solid #3a3020;
    text-align: left;
}

.stats-tags-title {
    font-size: 0.75rem;
    color: #6a5d45;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

#stats-tags-list {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 4px;
    justify-content: end;
}

.stats-tag {
    display: flex;
    align-items: center;
    gap: 3px;
    padding: 2px 5px;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.2s;
}

.stats-tag:hover {
    background: rgba(80, 70, 50, 0.4);
    border-color: #6a5d45;
}

.stats-tag.active {
    background: rgba(100, 90, 60, 0.5);
    border-color: #8a7d55;
    box-shadow: 0 0 4px rgba(140, 120, 80, 0.3);
}

.stats-tag .tag-emoji {
    font-size: 0.8rem;
}

.stats-tag .tag-count {
    color: #9a8d75;
    font-size: 0.7rem;
}

/* Tag highlight for nodes */
.node.tag-highlighted circle {
    filter: drop-shadow(0 0 8px #c9a227) drop-shadow(0 0 12px #c9a227);
}

.node.tag-highlighted text {
    fill: #ffffff !important;
    opacity: 1 !important;
}

#stats-numbers p {
    font-size: 0.85rem;
    color: #7a6d55;
    margin: 3px 0;
}

#stats-numbers span {
    color: #b4a488;
    font-weight: 600;
}

/* Help text */
#help {
    position: fixed;
    top: 80px;
    right: 20px;
    font-size: 0.8rem;
    color: #5a5040;
    text-align: right;
    line-height: 1.6;
}

/* Mobile responsive styles */
@media (max-width: 768px) {
    /* Hide legend, stats, help hints, path option and load button on mobile */
    #legend,
    #stats,
    #help,
    #controls .control-group,
    #new-file-btn,
    #add-item-log-btn,
    #reset-exploration-btn,
    #streamer-mode-btn {
        display: none !important;
    }
    
    /* Mode selector compact on mobile */
    #mode-selector {
        padding: 2px;
    }
    
    .mode-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    /* Make header stack vertically */
    #header {
        flex-direction: column;
        padding: 12px 16px;
        gap: 10px;
    }
    
    /* Smaller title to fit on one line */
    #header h1 {
        font-size: 1rem;
        letter-spacing: 0.1em;
    }
    
    .subtitle {
        font-size: 0.75rem;
        margin-top: 2px;
    }
    
    /* Controls full width below title */
    #controls {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    #search-container {
        width: 100%;
    }
    
    #search {
        width: 100%;
        box-sizing: border-box;
    }
    
    .control-group {
        width: 100%;
        justify-content: space-between;
    }
    
    /* Tooltip fixed at bottom on mobile */
    #tooltip {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        max-width: 100% !important;
        width: 100% !important;
        max-height: 50vh;
        border-radius: 16px 16px 0 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        padding: 16px;
        box-sizing: border-box;
    }
    
    #tooltip h3 {
        cursor: default; /* Disable drag cursor on mobile */
        padding-right: 30px;
    }
    
    #tooltip .close-btn {
        font-size: 1.5rem;
        top: 12px;
        right: 16px;
    }
}