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

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #4a9eff;
    --accent-hover: #3a8eef;
    --border: #444;
    --success: #4caf50;
    --danger: #f44336;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: -0.5px;
}

.input-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.header-input {
    margin-bottom: 30px;
}

.header-input label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.header-input input {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s;
}

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

.arguments-section h2 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.argument-header {
    display: grid;
    grid-template-columns: 2fr 2fr 3fr 60px;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 15px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.argument-row {
    display: grid;
    grid-template-columns: 2fr 2fr 3fr 60px;
    gap: 10px;
    margin-bottom: 15px;
    align-items: start;
}

.argument-row input {
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

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

.argument-row input::placeholder {
    color: #666;
}

.remove-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
}

.remove-btn:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

.generate-btn {
    width: 100%;
    padding: 15px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 20px;
}

.generate-btn:hover {
    background: var(--accent-hover);
}

.output-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.output-section h2 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.code-container {
    position: relative;
    background: #1f1f1f;
    border-radius: 4px;
    padding: 20px;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

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

.copy-btn.copied {
    background: var(--success);
    border-color: var(--success);
}

.code-container pre {
    margin: 0;
    overflow-x: auto;
}

.code-container code {
    color: rgb(131, 177, 131);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

.help-section {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 8px;
}

.help-section h2 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 15px;
}

.help-preview {
    background: #000;
    border-radius: 4px;
    padding: 20px;
    min-height: 150px;
}

.help-preview pre {
    color: #0f0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.mode-btn {
    padding: 10px 30px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.active {
    background: var(--accent);
    border-color: var(--accent);
}

/* Global Section */
.global-section {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 3px solid var(--success);
}

.section-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
}

/* Subcommands */
.subcommands-container {
    margin-top: 20px;
}

.subcommand-section {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 3px solid var(--accent);
}

.subcommand-section.collapsed .subcommand-body {
    display: none;
}

.subcommand-header {
    display: grid;
    grid-template-columns: 2fr 3fr auto auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.subcommand-name-input,
.subcommand-desc-input {
    padding: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
}

.subcommand-name-input {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.toggle-collapse-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
}

.toggle-collapse-btn::before {
    content: '▼';
}

.subcommand-section.collapsed .toggle-collapse-btn::before {
    content: '▶';
}

.add-subcommand-btn {
    width: 100%;
    padding: 15px;
    background: transparent;
    border: 2px dashed var(--border);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Mode-specific visibility */
.flat-mode .subcommands-container {
    display: none;
}

.flat-mode .global-section {
    border-left-color: var(--accent);
}

.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.mode-btn {
    padding: 10px 30px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    color: var(--text-primary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.active {
    background: var(--accent);
    border-color: var(--accent);
}

.global-section {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 3px solid var(--success);
}

.section-title {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.subcommands-container {
    margin-top: 20px;
}

.subcommand-section {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 3px solid var(--accent);
}

.subcommand-section.collapsed .subcommand-body {
    display: none;
}

.subcommand-header {
    display: grid;
    grid-template-columns: 2fr 3fr auto auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.subcommand-name-input,
.subcommand-desc-input {
    padding: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 1rem;
}

.subcommand-name-input {
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.toggle-collapse-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.toggle-collapse-btn:hover {
    background: var(--bg-primary);
}

.subcommand-section.collapsed .toggle-collapse-btn::before {
    content: '▶';
}

.subcommand-section:not(.collapsed) .toggle-collapse-btn::before {
    content: '▼';
}

.add-subcommand-btn {
    width: 100%;
    padding: 15px;
    background: transparent;
    border: 2px dashed var(--border);
    color: var(--text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1rem;
}

.add-subcommand-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(74, 158, 255, 0.05);
}

.subcommand-body {
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

.badge {
    display: inline-block;
    padding: 3px 8px;
    background: var(--accent);
    color: white;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 10px;
}

.flat-mode .subcommands-container {
    display: none;
}

.subcommand-mode .global-section .section-title::after {
    content: '(Optional)';
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    margin-left: 10px;
}

@media (max-width: 768px) {

    .argument-header,
    .argument-row {
        grid-template-columns: 1fr;
    }

    .argument-header span {
        display: none;
    }

    .remove-btn {
        justify-self: start;
    }
}