:root {
    --bg: #f3f4f6;
    --card-bg: #ffffff;
    --primary: #2563eb;
    --text: #1f2937;
    --error: #ef4444;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
}

.top-nav {
    background: #1e293b;
    color: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo span { color: var(--primary); font-weight: bold; }

.container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 20px;
}

.card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

h2 { margin-top: 0; border-bottom: 2px solid #f3f4f6; padding-bottom: 10px; }

.search-form, .ping-form {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

input {
    flex: 1;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
}

button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.error-msg {
    background: #fee2e2;
    color: var(--error);
    padding: 1rem;
    border-left: 4px solid var(--error);
    font-family: monospace;
}

.terminal {
    background: #000;
    color: #10b981;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
}

.debug-card {
    border: 1px dashed #94a3b8;
    background: #f8fafc;
    opacity: 0.8;
}

.footer {
    text-align: center;
    padding: 2rem;
    color: #64748b;
    font-size: 0.875rem;
}