:root {
    --bg-color: #f8f9fa;
    --text-color: #333;
    --primary-color: #6d5d54;
    --accent-color: #909090;
    --white: #ffffff;
    --border-color: #dee2e6;
    --success-bg: #e7f3ef;
    --success-border: #d4e9e2;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.tagline {
    font-size: 0.9rem;
    font-weight: normal;
    opacity: 0.9;
}

nav {
    background-color: var(--accent-color);
    padding: 0.5rem 2rem;
    border-bottom: 1px solid #777;
    display: flex;
    justify-content: flex-end;
}

nav a {
    color: #000;
    text-decoration: none;
    margin-left: 15px;
    font-size: 0.9rem;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
    min-height: 60vh;
}

.container {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

h2 {
    margin-top: 0;
    font-size: 1.25rem;
    color: var(--primary-color);
}

/* Form Styles */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

textarea {
    width: 100%;
    height: 6rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    box-sizing: border-box;
}

.form-controls {
    display: flex;
    gap: 10px;
}

select {
    flex-grow: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--white);
}

button {
    padding: 0.5rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

/* Results Tables */
.results-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.response-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.response-table th, .response-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.response-table th {
    background-color: #f1f3f5;
    font-weight: 600;
}

/* List group for detail view */
.list-group {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.list-group-item {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid var(--primary-color);
}

.list-group-item strong {
    display: block;
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.list-group-item div {
    word-break: break-all;
}

footer {
    margin-top: 4rem;
    padding: 2rem;
    background: var(--accent-color);
    text-align: center;
}

footer a {
    color: #000;
    text-decoration: none;
    font-weight: bold;
}

.messages {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.messages li {
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    background-color: var(--success-bg);
    border: 1px solid var(--success-border);
}

.messages li.error {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

@media (max-width: 600px) {
    .form-controls {
        flex-direction: column;
    }
}

.about-section {
    text-align: left;
    margin-bottom: 2rem;
}

.about-section ul {
    padding-left: 1.5rem;
}

.container form p {
    margin-bottom: 1rem;
    text-align: left;
}

.container form input[type="text"],
.container form input[type="email"],
.container form input[type="password"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.success-message {
    padding: 2rem;
    text-align: center;
}

.success-message h2 {
    color: #28a745;
}

/* Ensure markdown content tables are also styled */
.container table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

.container th, .container td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.container th {
    background-color: #f1f3f5;
}