:root {
    --primary-bg: #000000;
    --secondary-bg: #111111;
    --tertiary-bg: #1a1a1a;
    --accent-bg: #222222;
    --primary-text: #ffffff;
    --secondary-text: #cccccc;
    --tertiary-text: #999999;
    --accent-color: #00ff88;
    --danger-color: #ff4444;
    --warning-color: #ffaa00;
    --border-color: #333333;
    --shadow: 0 4px 20px rgba(0, 255, 136, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-bg);
    color: var(--primary-text);
    min-height: 100vh;
    overflow-x: hidden;
}

#app {
    min-height: 100vh;
    position: relative;
}

/* Main Menu Styles */
.main-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #000000 0%, #111111 50%, #000000 100%);
    position: relative;
}

.main-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 255, 136, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0, 255, 136, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.menu-container {
    text-align: center;
    z-index: 1;
    position: relative;
}

.logo-section {
    margin-bottom: 4rem;
}

.main-logo {
    font-size: 6rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    background: linear-gradient(45deg, var(--accent-color), #00cc6a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.sub-logo {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.4em;
    color: var(--secondary-text);
    display: block;
    margin-bottom: 1rem;
}

.logo-underline {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    margin: 0 auto;
}

.menu-actions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.menu-btn {
    background: var(--secondary-bg);
    border: 2px solid var(--border-color);
    color: var(--primary-text);
    padding: 1.5rem 3rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 300px;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.btn-text {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.btn-subtitle {
    display: block;
    font-size: 0.9rem;
    color: var(--tertiary-text);
    font-weight: 300;
}

.menu-footer {
    margin-top: 3rem;
    color: var(--tertiary-text);
    font-size: 0.8rem;
}

/* Game List Styles */
.game-list-container {
    padding: 2rem;
    min-height: 100vh;
    background: var(--primary-bg);
}

.header-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--primary-text);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.back-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.create-new-btn {
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.create-new-btn:hover {
    background: #00cc6a;
    transform: translateY(-2px);
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.game-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.game-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.game-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-text);
}

.game-stats {
    color: var(--tertiary-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.game-actions {
    display: flex;
    gap: 0.5rem;
}

.edit-game-btn, .delete-game-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--tertiary-bg);
    color: var(--primary-text);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.edit-game-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.delete-game-btn:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--tertiary-text);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-text);
}

/* Studio Styles */
.studio-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--primary-bg);
}

.studio-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
}

.game-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-text);
}

.studio-tabs {
    display: flex;
    gap: 1rem;
}

.tab-btn {
    padding: 0.8rem 1.5rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--secondary-text);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active, .tab-btn:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
}

.studio-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.tab-content {
    flex: 1;
    display: none;
}

.tab-content.active {
    display: flex;
}

.studio-tab {
    display: flex;
}

.studio-sidebar {
    width: 250px;
    background: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    padding: 1rem;
}

.sidebar-section h3 {
    color: var(--secondary-text);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.sidebar-btn {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--primary-text);
    text-align: left;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.sidebar-btn.active, .sidebar-btn:hover {
    background: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
}

.studio-main {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

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

.dialogue-container {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 400px;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.dialogue-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.dialogue-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-text);
}

.dialogue-content {
    padding: 1.5rem;
}

.dialogue-content p {
    color: var(--secondary-text);
    line-height: 1.5;
}

.dialogue-input {
    width: 100%;
    padding: 0.8rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-text);
    font-size: 1rem;
}

.dialogue-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.dialogue-actions {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.dialogue-btn {
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.dialogue-btn.primary {
    background: var(--accent-color);
    color: var(--primary-bg);
    border-color: var(--accent-color);
}

.dialogue-btn.secondary {
    background: var(--tertiary-bg);
    color: var(--primary-text);
}

.dialogue-btn.danger {
    background: var(--danger-color);
    color: var(--primary-text);
    border-color: var(--danger-color);
}

.dialogue-btn:hover {
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-logo {
        font-size: 4rem;
    }
    
    .menu-btn {
        min-width: 250px;
        padding: 1rem 2rem;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
    }
    
    .studio-sidebar {
        width: 200px;
    }
    
    .studio-main {
        padding: 1rem;
    }
}

/* Game Playing Interface */
.game-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--primary-bg);
}

.game-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
}

.back-to-menu-btn, .save-game-btn, .restart-game-btn {
    padding: 0.6rem 1.2rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    color: var(--primary-text);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.back-to-menu-btn:hover, .save-game-btn:hover, .restart-game-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.game-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.game-screen {
    max-width: 800px;
    margin: 0 auto;
    background: var(--secondary-bg);
    border-radius: 8px;
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.game-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: var(--primary-text);
}

.character-dialogue {
    color: var(--accent-color);
    font-style: italic;
}

.character-name {
    color: var(--warning-color);
    font-weight: 600;
}

.game-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.game-btn {
    padding: 1rem 1.5rem;
    background: var(--tertiary-bg);
    border: 2px solid var(--border-color);
    color: var(--primary-text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    text-align: left;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.game-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

.game-btn:hover::before {
    left: 100%;
}

.game-btn:hover {
    border-color: var(--accent-color);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.2);
}

.game-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.game-sidebar {
    position: fixed;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    width: 250px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.variables-panel h4 {
    color: var(--secondary-text);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.variable-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.variable-name {
    color: var(--tertiary-text);
}

.variable-value {
    color: var(--accent-color);
    font-weight: 500;
}

/* Studio Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--secondary-text);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.8rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-text);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
    font-family: 'Courier New', monospace;
}

.content-editor {
    min-height: 200px;
}

.content-preview {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--accent-bg);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.content-preview h5 {
    color: var(--secondary-text);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.preview-content {
    color: var(--primary-text);
    line-height: 1.5;
}

/* Button Editor */
.buttons-editor {
    space-y: 1rem;
}

.button-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--accent-bg);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.button-text, .button-target {
    flex: 1;
    padding: 0.5rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-text);
    font-size: 0.9rem;
}

.button-action {
    padding: 0.5rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-text);
    font-size: 0.9rem;
}

.remove-button-btn {
    padding: 0.5rem;
    background: var(--danger-color);
    border: 1px solid var(--danger-color);
    color: var(--primary-text);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    min-width: 32px;
}

.add-button-btn {
    width: 100%;
    padding: 0.8rem;
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* Section Items */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.section-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-text);
    letter-spacing: 0.05em;
}

.add-btn {
    padding: 0.8rem 1.5rem;
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.add-btn:hover {
    background: #00cc6a;
    transform: translateY(-2px);
}

.screen-item, .variable-item, .condition-item, .sound-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.screen-item:hover, .variable-item:hover, .condition-item:hover, .sound-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.screen-item.active {
    border-color: var(--accent-color);
    background: var(--accent-bg);
}

.screen-info h4, .variable-info h4, .condition-info h4, .sound-info h4 {
    color: var(--primary-text);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.screen-info p, .variable-info p, .condition-info p, .sound-info p {
    color: var(--tertiary-text);
    font-size: 0.9rem;
}

.variable-description {
    display: block;
    color: var(--secondary-text);
    font-size: 0.8rem;
    margin-top: 0.25rem;
    font-style: italic;
}

.screen-actions, .variable-actions, .condition-actions, .sound-actions {
    display: flex;
    gap: 0.5rem;
}

.edit-screen-btn, .delete-screen-btn,
.edit-variable-btn, .delete-variable-btn,
.edit-condition-btn, .delete-condition-btn,
.edit-sound-btn, .delete-sound-btn,
.play-sound-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--accent-bg);
    color: var(--primary-text);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.edit-screen-btn:hover, .edit-variable-btn:hover, .edit-condition-btn:hover, .edit-sound-btn:hover,
.play-sound-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.delete-screen-btn:hover, .delete-variable-btn:hover, .delete-condition-btn:hover, .delete-sound-btn:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.save-screen-btn {
    padding: 0.8rem 1.5rem;
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.save-screen-btn:hover {
    background: #00cc6a;
}

/* Empty States */
.empty-screens, .empty-variables, .empty-conditions, .empty-sounds {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--tertiary-text);
    background: var(--tertiary-bg);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
}

.empty-screens p, .empty-variables p, .empty-conditions p, .empty-sounds p {
    font-size: 1rem;
    line-height: 1.5;
}

/* Screen Editor */
.screen-editor {
    margin-top: 2rem;
    padding: 2rem;
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.editor-header h4 {
    color: var(--primary-text);
    font-size: 1.3rem;
}

.editor-content {
    space-y: 2rem;
}

/* Loading State */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2rem;
    color: var(--secondary-text);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error Container */
.error-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--primary-bg);
    padding: 2rem;
}

.error-content {
    text-align: center;
    background: var(--secondary-bg);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-width: 500px;
}

.error-content h2 {
    color: var(--danger-color);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.error-content p {
    color: var(--secondary-text);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.retry-btn {
    padding: 1rem 2rem;
    background: var(--accent-color);
    border: none;
    color: var(--primary-bg);
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.retry-btn:hover {
    background: #00cc6a;
    transform: translateY(-2px);
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
button:focus, input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}