body {
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
    background: #f3f4f6;
}

.editor {
    height: 65vh; /* Increased height for larger input/output fields */
    min-height: 350px;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.editor:focus {
    border-color: #3b82f6;
    outline: none;
}

.panel {
    background: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
    padding: 1.5rem;
    position: relative;
}

.muted {
    color: #6b7280;
}

.small {
    font-size: 0.85rem;
}

footer {
    font-size: 0.85rem;
    color: #6b7280;
}

.code-note {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", monospace;
    font-size: 0.85rem;
    color: #374151;
}

.single-line {
    white-space: nowrap;
}

/* Button Styles */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(to right, #3b82f6, #2563eb);
    color: white;
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: linear-gradient(to right, #2563eb, #1e40af);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: white;
    border: 1px solid #d1d5db;
    color: #374151;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: #f9fafb;
    border-color: #3b82f6;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Loader */
.loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

.loader.hidden {
    display: none;
}