:root {
    --cyber-primary: #00ff9f;
    --cyber-secondary: #00b8ff;
    --cyber-accent: #ff2a6d;
    --cyber-warning: #ffd700;
    --cyber-background: #1a1a1a;
    --cyber-dark: #141414;
    --cyber-border: #2a2a2a;
    --cyber-text: #e0e0e0;
    --cyber-text-muted: #888;
    --cyber-glow: 0 0 10px rgba(0, 255, 159, 0.3);
    --transition-speed: 0.3s;
    --header-height: 60px;
    --sidebar-width: 280px;
}

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

body {
    font-family: 'Rajdhani', 'Orbitron', monospace;
    background-color: var(--cyber-background);
    background-image:
        linear-gradient(45deg, var(--cyber-dark) 25%, transparent 25%),
        linear-gradient(-45deg, var(--cyber-dark) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--cyber-dark) 75%),
        linear-gradient(-45deg, transparent 75%, var(--cyber-dark) 75%);
    background-size: 20px 20px;
    color: var(--cyber-text);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Header */
.header {
    height: var(--header-height);
    background-color: var(--cyber-dark);
    border-bottom: 1px solid var(--cyber-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

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

.back-btn {
    color: var(--cyber-secondary);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.back-btn:hover {
    color: var(--cyber-primary);
}

.app-title {
    color: var(--cyber-primary);
    font-family: 'Orbitron', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--cyber-dark);
    border-right: 1px solid var(--cyber-border);
    display: flex;
    flex-direction: column;
}

.tool-nav {
    display: flex;
    flex-wrap: wrap;
    padding: 10px;
    border-bottom: 1px solid var(--cyber-border);
    gap: 5px;
}

.tool-btn {
    flex: 1 1 30%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 5px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--cyber-text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.tool-btn:hover {
    color: var(--cyber-text);
    background-color: rgba(255, 255, 255, 0.05);
}

.tool-btn.active {
    color: var(--cyber-secondary);
    border-color: var(--cyber-secondary);
    background-color: rgba(0, 184, 255, 0.1);
}

.tool-icon {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.tool-name {
    font-size: 0.7rem;
    text-transform: uppercase;
}

/* Tool Panels */
.tool-panel {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.panel-section {
    display: none;
    animation: fadeIn 0.3s;
}

.panel-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-title {
    color: var(--cyber-primary);
    margin-bottom: 15px;
    font-size: 1rem;
    border-bottom: 1px dashed var(--cyber-border);
    padding-bottom: 5px;
}

.panel-group {
    margin-bottom: 20px;
}

.panel-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--cyber-text);
    font-size: 0.9rem;
}

/* Chip Group */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 5px 10px;
    background-color: #222;
    border: 1px solid var(--cyber-border);
    border-radius: 15px;
    color: var(--cyber-text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.chip:hover {
    border-color: var(--cyber-text);
}

.chip.active {
    background-color: var(--cyber-primary);
    color: #000;
    font-weight: bold;
    border-color: var(--cyber-primary);
}

/* List Group */
.list-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.list-btn {
    text-align: left;
    padding: 8px 12px;
    background-color: #222;
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text);
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.list-btn:hover {
    border-color: var(--cyber-secondary);
    color: var(--cyber-secondary);
}

/* Inputs */
input[type="range"] {
    width: 100%;
    accent-color: var(--cyber-primary);
}

.input-text,
.select-box {
    width: 100%;
    padding: 8px;
    background-color: #222;
    border: 1px solid var(--cyber-border);
    color: #fff;
    border-radius: 4px;
    outline: none;
}

.input-text:focus,
.select-box:focus {
    border-color: var(--cyber-secondary);
}

/* Position Grid */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    width: 120px;
}

.position-grid button {
    aspect-ratio: 1;
    background-color: #222;
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text-muted);
    cursor: pointer;
}

.position-grid button:hover {
    border-color: var(--cyber-text);
}

.position-grid button.active {
    background-color: var(--cyber-secondary);
    color: #000;
}

/* Actions */
.panel-actions {
    margin-top: 30px;
    display: flex;
    gap: 10px;
}

.btn-action {
    flex: 1;
    padding: 10px;
    background-color: var(--cyber-primary);
    color: #000;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: transform 0.1s;
}

.btn-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 10px rgba(0, 255, 159, 0.3);
}

.btn-action.mode-toggle.active {
    background-color: var(--cyber-accent);
    color: #fff;
    box-shadow: 0 0 10px rgba(255, 42, 109, 0.4);
}


.btn-secondary {
    padding: 10px 15px;
    background-color: transparent;
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text);
    border-radius: 4px;
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--cyber-text);
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--cyber-secondary);
    color: #000;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 10px rgba(0, 184, 255, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #444;
    color: #888;
}


/* Workspace */
.workspace {
    flex: 1;
    background-color: #000;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-image:
        radial-gradient(#222 1px, transparent 1px);
    background-size: 20px 20px;
}

.upload-zone {
    text-align: center;
    border: 2px dashed var(--cyber-border);
    border-radius: 8px;
    padding: 40px;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--cyber-primary);
    background-color: rgba(0, 255, 159, 0.05);
}

.upload-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 20px;
    color: var(--cyber-secondary);
}

.upload-content h3 {
    margin-bottom: 10px;
    color: var(--cyber-text);
}

.upload-content p {
    color: var(--cyber-text-muted);
}

.canvas-container {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

/* Info Box */
.info-box {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 0.85rem;
    color: var(--cyber-text-muted);
}

.info-row span:last-child {
    color: var(--cyber-text);
    font-family: monospace;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .app-container {
        flex-direction: column;
    }

    .main-content {
        flex-direction: column;
        overflow: auto;
    }

    .sidebar {
        width: 100%;
        height: auto;
        order: 2;
        border-right: none;
        border-top: 1px solid var(--cyber-border);
    }

    .workspace {
        height: 60vh;
        order: 1;
    }

    .tool-panel {
        max-height: 40vh;
    }
}