:root {
    --bg-color: #0a0d12;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.08);
    --accent-color: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.3);
    --success-color: #00ff88;
    --error-color: #ff4466;
    --warning-color: #ffaa00;
    --text-color: #e8ecf1;
    --secondary-text: #8892a0;
    --code-bg: rgba(0, 0, 0, 0.4);
}

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

body {
    background: var(--bg-color);
    background-image:
        radial-gradient(ellipse at 0% 0%, hsla(200, 50%, 12%, 1) 0, transparent 50%),
        radial-gradient(ellipse at 100% 0%, hsla(280, 40%, 10%, 1) 0, transparent 40%),
        radial-gradient(ellipse at 50% 100%, hsla(220, 50%, 8%, 1) 0, transparent 50%);
    color: var(--text-color);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 1.5rem;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    width: 100%;
    max-width: 900px;
    padding: 1.5rem;
    box-shadow:
        0 20px 60px -20px rgba(0, 0, 0, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

h1 {
    font-size: 1.4rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tag {
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-color);
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tag.connected {
    background: rgba(0, 255, 136, 0.15);
    color: var(--success-color);
}

.tag.error {
    background: rgba(255, 68, 102, 0.15);
    color: var(--error-color);
}

nav {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.3);
    padding: 4px;
    border-radius: 10px;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--secondary-text);
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.nav-btn.active {
    background: var(--accent-color);
    color: #000;
}

.nav-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-color);
}

/* Tabs */
.tab-content {
    display: none;
    animation: fadeIn 0.25s ease-out;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--secondary-text);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

/* Pattern Library */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.grid-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
}

.pattern-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.pattern-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.pattern-card h3 {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.pattern-card p {
    font-size: 0.75rem;
    color: var(--secondary-text);
}

.pattern-card.empty {
    border-style: dashed;
    text-align: center;
    color: var(--secondary-text);
}

/* Editor */
.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    gap: 1rem;
}

#pattern-name {
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
    outline: none;
    flex: 1;
    min-width: 0;
}

.editor-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--secondary-text);
    transition: all 0.3s;
}

.status-indicator.success {
    background: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-indicator.error {
    background: var(--error-color);
    box-shadow: 0 0 8px var(--error-color);
}

.editor-container {
    position: relative;
    height: 300px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    background: var(--code-bg);
}

#code-editor {
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    color: var(--success-color);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 1rem;
    padding-left: 3rem;
    resize: none;
    outline: none;
    tab-size: 2;
}

.line-numbers {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2.5rem;
    background: rgba(0, 0, 0, 0.3);
    color: var(--secondary-text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    padding: 1rem 0.5rem;
    text-align: right;
    user-select: none;
    pointer-events: none;
}

.editor-help {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    font-size: 0.75rem;
    color: var(--secondary-text);
}

.editor-help code {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
}

/* Color Picker */
.color-picker-container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.color-wheel-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
}

#color-wheel {
    border-radius: 50%;
    cursor: crosshair;
}

.color-cursor {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid white;
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.color-controls {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.color-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

#color-swatch {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: hsl(0, 100%, 50%);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.brightness-control {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.brightness-control label {
    font-weight: 500;
}

.brightness-control input {
    flex: 1;
    min-width: 100px;
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.control-group.full-width {
    grid-column: 1 / -1;
}

.control-group label {
    font-size: 0.8rem;
    color: var(--secondary-text);
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="number"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-color);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

input:focus {
    border-color: var(--accent-color);
}

input[type="range"] {
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 3px;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn-primary {
    background: var(--accent-color);
    color: #000;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 0.75rem;
    }

    .glass-container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    nav {
        width: 100%;
        overflow-x: auto;
    }

    .nav-btn {
        flex-shrink: 0;
    }

    .color-picker-container {
        flex-direction: column;
        align-items: center;
    }
}