:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-glow: rgba(88, 166, 255, 0.15);
    --transition-speed: 0.2s;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.5;
    height: 100vh;
}

.container {
    padding: 1rem;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.logo {
    font-size: 1.25rem;
}

h1 {
    font-size: 1rem;
    font-weight: 600;
}

h2 {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.status-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 100%;
}

.status-badge.active {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(63, 185, 80, 0.1);
}

textarea {
    width: 100%;
    height: 100px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0.75rem;
    font-family: inherit;
    font-size: 0.85rem;
    resize: none;
    transition: all var(--transition-speed);
}

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

.button-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin: 1rem 0;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.1s;
    border: 1px solid transparent;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:active:not(:disabled) {
    transform: scale(0.98);
}

.btn.primary {
    background-color: var(--accent-blue);
    color: #ffffff;
}

.btn.primary:hover:not(:disabled) {
    background-color: #4c8eda;
}

.btn.secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn.secondary:hover:not(:disabled) {
    background-color: var(--card-bg);
}

.btn.accent {
    background-color: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    width: 100%;
}

.btn.accent:hover:not(:disabled) {
    background-color: rgba(63, 185, 80, 0.1);
}

.output-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    animation: fadeIn 0.3s ease-out;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.output-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.6;
    max-height: 350px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.btn-icon-only {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.btn-icon-only:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}