* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: #0f172a;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #e2e8f0;
}

.container {
    width: 90%;
    max-width: 700px;
    padding: 2rem 1rem;
}

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

h1 {
    color: #f1f5f9;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, #60a5fa, #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: #94a3b8;
    font-size: 1.1rem;
}

.card {
    background-color: #1e293b;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-row {
    display: flex;
    gap: 1.5rem;
}

.input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 500;
}

.input-field {
    padding: 0.75rem;
    background-color: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    font-size: 1rem;
    color: #e2e8f0;
    transition: all 0.3s;
}

.input-field:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.input-field::placeholder {
    color: #64748b;
}

.select-field {
    padding: 0.75rem;
    background-color: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    font-size: 1rem;
    color: #e2e8f0;
    cursor: pointer;
    transition: all 0.3s;
}

.select-field:focus {
    outline: none;
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

.convert-btn, .copy-btn {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.convert-btn {
    background: linear-gradient(45deg, #60a5fa, #a855f7);
    color: white;
    margin-bottom: 1.5rem;
}

.convert-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.result {
    border-top: 1px solid #334155;
    padding-top: 1.5rem;
}

.result p {
    color: #94a3b8;
    margin-bottom: 0.75rem;
}

.result-box {
    padding: 1rem;
    background-color: #0f172a;
    border: 1px solid #334155;
    border-radius: 8px;
    margin-bottom: 1rem;
    min-height: 3rem;
    word-break: break-all;
    color: #60a5fa;
    font-family: monospace;
    font-size: 1.1rem;
}

.copy-btn {
    background-color: #334155;
    color: #e2e8f0;
}

.copy-btn:hover {
    background-color: #475569;
    transform: translateY(-1px);
}

.footer {
    text-align: center;
    margin-top: 2rem;
    color: #64748b;
    font-size: 0.9rem;
}

/* Footer links styles (commented out)
.footer-links {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #334155;
}

.footer-links a {
    color: #60a5fa;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #93c5fd;
}
*/