:root {
    --bg-color: #1e1e1e;
    --sidebar-bg: #252526;
    --header-bg: #333333;
    --text-color: #cccccc;
    --text-bright: #ffffff;
    --accent-color: #007acc;
    --accent-hover: #1f8ad2;
    --border-color: #3c3c3c;
    --danger-color: #d13438;
    --success-color: #107c10;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
header {
    background-color: var(--header-bg);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.5rem;
}

header h1 {
    font-size: 1.2rem;
    margin: 0;
    color: var(--text-bright);
    white-space: nowrap;
}

#story-title-input {
    background-color: rgba(255,255,255,0.05);
    border: 1px solid transparent;
    padding: 6px 12px;
    border-radius: 4px;
    color: var(--text-bright);
    font-size: 1rem;
    width: 200px;
    transition: all 0.2s;
}

#story-title-input:focus {
    background-color: rgba(255,255,255,0.1);
    border-color: var(--accent-color);
    outline: none;
}

.controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-group, .action-group {
    display: flex;
    gap: 4px;
    background-color: rgba(0,0,0,0.2);
    padding: 4px;
    border-radius: 6px;
}

.separator {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 5px;
}

/* Buttons */
button, .button {
    background-color: transparent;
    color: var(--text-color);
    border: none;
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.9rem;
    border-radius: 4px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

button:hover, .button:hover {
    background-color: rgba(255,255,255,0.1);
    color: var(--text-bright);
}

button.active {
    background-color: var(--accent-color);
    color: white;
}

button.highlight {
    background-color: var(--success-color);
    color: white;
    font-weight: bold;
}

button.highlight:hover {
    background-color: #1a911a;
}

button.danger {
    color: var(--danger-color);
}

button.danger:hover {
    background-color: var(--danger-color);
    color: white;
}

button.primary-button {
    background-color: var(--accent-color);
    color: white;
    margin: 10px;
}

.icon-button {
    font-size: 1.2rem;
    padding: 4px 8px;
}

/* App Main */
main {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.view {
    width: 100%;
    height: 100%;
    display: flex;
}

/* Editor Styles */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

#passage-list {
    flex: 1;
    overflow-y: auto;
}

.passage-item {
    padding: 10px 15px;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    font-size: 0.9rem;
    transition: all 0.1s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.passage-item:hover {
    background-color: rgba(255,255,255,0.05);
}

.passage-item.active {
    background-color: rgba(0, 122, 204, 0.2);
    border-left: 3px solid var(--accent-color);
    color: var(--text-bright);
}

.passage-item.start-node::before {
    content: "🚩";
    font-size: 0.8rem;
}

.editor-main {
    flex: 1;
    padding: 30px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background-color: var(--bg-color);
}

#editor-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    text-align: center;
}

.huge-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 20px;
    opacity: 0.3;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.flex-2 { flex: 2; }
.flex-3 { flex: 3; }

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #aaa;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"], textarea, select {
    background-color: #2d2d2d;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 10px 12px;
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.95rem;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.3);
}

textarea {
    height: 400px;
    resize: vertical;
    line-height: 1.5;
    font-family: 'Consolas', 'Monaco', monospace;
}

.editor-actions {
    margin-top: auto;
    padding-top: 20px;
    display: flex;
    justify-content: flex-end;
}

/* Settings View */
.settings-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    width: 100%;
}

.subtitle {
    color: #888;
    margin-bottom: 40px;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.color-picker-wrapper {
    display: flex;
    gap: 10px;
}

input[type="color"] {
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.preview-box {
    padding: 30px;
    border: 1px dashed var(--border-color);
    margin-top: 20px;
}

.preview-link {
    text-decoration: underline;
    font-weight: bold;
}

/* Visualizer Styles */
#visualizer-view {
    overflow: hidden;
    background-color: #1a1a1a;
    position: relative;
    cursor: grab;
    background-image: radial-gradient(#333 1px, transparent 1px);
    background-size: 20px 20px;
}

#visualizer-toolbar {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 50;
    display: flex;
    gap: 10px;
    background: rgba(0,0,0,0.6);
    padding: 8px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
}

.vis-zoom-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.1);
    padding: 0 10px;
    border-radius: 4px;
    font-size: 0.8rem;
}

#visualizer-view:active {
    cursor: grabbing;
}

#visualizer-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: 0 0;
}

#visualizer-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
    z-index: 1;
    pointer-events: none;
}

.vis-node {
    position: absolute;
    width: 140px;
    min-height: 50px;
    background-color: #2d2d30;
    border: 2px solid #555;
    border-radius: 8px;
    padding: 10px;
    z-index: 2;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.85rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: border-color 0.2s, box-shadow 0.2s;
    user-select: none;
    color: var(--text-color);
}

.vis-node:hover {
    border-color: #888;
    box-shadow: 0 6px 12px rgba(0,0,0,0.4);
}

.vis-node.active {
    border-color: var(--accent-color);
    background-color: #3e3e42;
    z-index: 10;
}

.vis-node.start-node {
    border-color: #4caf50;
}

.vis-node.start-node::before {
    content: "START";
    font-size: 0.6rem;
    color: #4caf50;
    margin-bottom: 4px;
    font-weight: bold;
}

/* Player Styles */
#player-view {
    justify-content: center;
    overflow-y: auto;
    padding: 40px;
    box-sizing: border-box;
    background-color: #121212;
}

#story-container {
    max-width: 800px;
    width: 100%;
    padding: 20px 40px;
    height: fit-content;
    margin-bottom: 100px;
}

#story-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 30px auto;
    border-radius: 4px;
}

#story-content {
    line-height: 1.8;
    margin-bottom: 40px;
    white-space: pre-wrap;
    font-size: 1.15rem;
    color: inherit;
}

.story-link {
    display: inline-block;
    margin-bottom: 2px;
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.story-link:hover {
    border-bottom-color: currentColor;
    opacity: 0.8;
}

#player-controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--sidebar-bg);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.4rem;
    color: var(--text-bright);
}

.close-button {
    font-size: 2rem;
    color: #666;
    background: none;
    border: none;
    cursor: pointer;
}

.close-button:hover {
    color: var(--text-bright);
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
}

section {
    margin-bottom: 30px;
}

section h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

section p {
    line-height: 1.6;
    color: #bbb;
}

.hosting-links {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.host-button {
    background-color: #333;
    color: white;
    padding: 10px 15px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    border: 1px solid #444;
}

.host-button:hover {
    background-color: #444;
}

.host-button.recommeded {
    border-color: var(--success-color);
    background-color: rgba(16, 124, 16, 0.1);
}

.tip {
    font-size: 0.85rem;
    color: #888;
    font-style: italic;
}

code {
    background-color: rgba(0,0,0,0.3);
    padding: 2px 5px;
    border-radius: 3px;
    color: #ffca28;
    font-family: monospace;
}