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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #e8e8e8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
}

.header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #1a1a1a;
    background: #000;
}

.brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.container {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 4rem 2rem;
    flex: 1;
}

.hero {
    text-align: left;
    margin-bottom: 4rem;
}

.badge {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #3b82f6;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1.5px;
}

.description {
    font-size: 1.2rem;
    line-height: 1.7;
    color: #9ca3af;
    max-width: 700px;
}

.stats {
    display: flex;
    gap: 3rem;
    margin: 3rem 0;
    padding: 2rem 0;
    border-top: 1px solid #1a1a1a;
    border-bottom: 1px solid #1a1a1a;
}

.stat {
    flex: 1;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.form-container {
    background: #111;
    border: 1px solid #1f1f1f;
    border-radius: 12px;
    padding: 2.5rem;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

label {
    font-size: 1rem;
    font-weight: 500;
    color: #d1d5db;
}

input[type="number"] {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid #2a2a2a;
    border-radius: 6px;
    background: #0a0a0a;
    color: #fff;
    width: 120px;
    transition: all 0.2s ease;
}

input[type="number"]:focus {
    outline: none;
    border-color: #3b82f6;
    background: #000;
}

button {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.85rem 1.75rem;
    background: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

button:hover {
    background: #2563eb;
}

button:active {
    transform: scale(0.98);
}

.output-container {
    display: none;
    background: #111;
    border: 1px solid #1f1f1f;
    border-radius: 12px;
    padding: 2.5rem;
    margin-top: 2rem;
}

.output-container.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #1a1a1a;
}

.output-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
}

.copy-btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    background: #0a0a0a;
    border: 1px solid #2a2a2a;
    font-weight: 500;
}

.copy-btn:hover {
    background: #000;
    border-color: #3b82f6;
}

.copy-btn.copied {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #22c55e;
}

.command-block {
    font-family: 'JetBrains Mono', monospace;
    background: #000;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.7;
    color: #d1d5db;
    border: 1px solid #1a1a1a;
    white-space: pre;
}

.error-block {
    background: rgba(239, 68, 68, 0.05);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.error-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ef4444;
}

.error-block p {
    color: #d1d5db;
    line-height: 1.6;
}

.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid #1a1a1a;
    margin-top: 4rem;
    background: #000;
}

.warning {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.6;
}

.footer a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s;
}

.footer a:hover {
    color: #60a5fa;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .input-group {
        flex-direction: column;
        align-items: flex-start;
    }
}