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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --border-color: #30363d;
    --border-light: #484f58;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-dim: #6e7681;
    --accent: #58a6ff;
    --accent-dark: #388bfd;
    --accent-glow: rgba(88, 166, 255, 0.15);
    --success: #3fb950;
    --warning: #d29922;
    --error: #f85149;
    --purple: #a371f7;
    --pink: #db61a2;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

.shortcut-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: linear-gradient(135deg, var(--accent-glow), transparent);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

.shortcut-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.shortcut-keys {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.shortcut-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
    margin: 0 1rem;
}

kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--accent);
    box-shadow: 0 2px 0 var(--border-color);
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.btn-clear {
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.code-input-wrapper {
    margin-bottom: 1.5rem;
}

#codeInput {
    width: 100%;
    height: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    resize: vertical;
    margin-bottom: 0.75rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

#codeInput:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#codeInput::placeholder {
    color: var(--text-dim);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.btn-icon-only {
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-icon-only:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
}

.btn-icon {
    font-size: 1.1rem;
}

.customization-section {
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.section-header:hover {
    background: var(--bg-hover);
}

.section-header h3 {
    font-size: 0.9rem;
    font-weight: 500;
}

.toggle-icon {
    color: var(--text-secondary);
    transition: transform 0.3s;
}

.toggle-icon.rotated {
    transform: rotate(180deg);
}

.custom-options {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.custom-options.open {
    max-height: 2000px;
}

.option-group {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.option-group:last-child {
    border-bottom: none;
}

.group-title {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.option-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.option-row:last-child {
    margin-bottom: 0;
}

.option-item {
    flex: 1;
    min-width: 180px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.option-item.full {
    flex: 100%;
}

.option-item span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.option-item .hint {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.option-item input[type="number"] {
    width: 60px;
    padding: 0.4rem 0.6rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
    text-align: center;
}

.option-item input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
}

.option-item select {
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    min-width: 150px;
}

.option-item select:focus {
    outline: none;
    border-color: var(--accent);
}

.switch {
    position: relative;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: 0.3s;
}

input:checked + .slider {
    background: var(--accent);
    border-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(20px);
    background: white;
}

.output-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

#output {
    width: 100%;
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    white-space: pre-wrap;
    color: var(--success);
}

#output .placeholder { color: var(--text-dim); }
#output .comment { color: var(--text-dim); }
#output .key { color: var(--purple); }
#output .value { color: var(--success); }
#output .value-true { color: var(--success); }
#output .value-false { color: var(--error); }
#output .value-number { color: var(--warning); }

.output-actions {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

.detected-settings {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 1rem;
}

.detected-settings h3 {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.settings-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.settings-list .no-settings {
    color: var(--text-dim);
    font-size: 0.875rem;
}

.setting-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
}

.setting-tag .tag-name { color: var(--text-secondary); }
.setting-tag .tag-value {
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

.footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-dim);
    font-size: 0.875rem;
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--success);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
}

.toast-message {
    color: var(--text-primary);
    font-size: 0.9rem;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-dim);
}

@media (max-width: 600px) {
    .container { padding: 1rem; }
    .shortcut-banner { flex-direction: column; gap: 0.75rem; }
    .shortcut-divider { width: 100%; height: 1px; margin: 0.5rem 0; }
    .option-item { min-width: 140px; }
}