:root {
    /* NYU Brand Colors */
    --nyu-violet: #57068c;
    --nyu-ultra-violet: #8900e1;
    --nyu-deep-violet: #330662;
    --nyu-violet-85: #702b9d;
    --nyu-violet-70: #7b5aa6;
    --nyu-violet-50: #ab82c5;
    --nyu-violet-10: #eee6f3;
    --nyu-teal: #009b8a;
    --nyu-teal-deep: #007a6d;
    --nyu-black: #000000;
    --nyu-white: #ffffff;

    --error-color: #d9534f;
    --background-light: #f8f8f8;
    --background-hover: var(--nyu-violet-10);
    --border-color: #ddd;
    --text-color: #333;
    --header-bg: var(--nyu-violet);
    --box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    --box-shadow-footer: 0 2px 4px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

html {
    margin: 20px;
    font-family: 'Montserrat', 'Verdana', Arial, sans-serif;
    font-weight: 400;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 20px;
    font-family: 'Montserrat', 'Verdana', Arial, sans-serif;
    font-weight: 400;
    color: var(--text-color);
}

main {
    flex: 1;
}

/* Headings use Frank Ruhl Libre (serif) per NYU brand */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Frank Ruhl Libre', Georgia, serif;
    font-weight: 700;
    color: var(--nyu-deep-violet);
}

em {
    font-family: 'Montserrat', 'Verdana', Arial, sans-serif;
    font-weight: 300;
}

strong {
    font-family: 'Montserrat', 'Verdana', Arial, sans-serif;
    font-weight: 700;
}

/* NYU branded navbar */
.navbar {
    background-color: var(--nyu-violet) !important;
    padding: 0.75rem 1rem;
}

.navbar-brand {
    color: var(--nyu-white) !important;
    font-family: 'Frank Ruhl Libre', Georgia, serif;
    font-weight: 700;
    font-size: 1.4rem;
}

.navbar-brand .brand-subtitle {
    display: block;
    font-family: 'Montserrat', 'Verdana', Arial, sans-serif;
    font-size: 0.65rem;
    font-weight: 400;
    font-style: italic;
    color: var(--nyu-violet-50);
    letter-spacing: 0.05em;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus {
    color: var(--nyu-white) !important;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.5);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.error {
    color: var(--error-color);
    font-weight: bold;
}

img.plot {
    width: auto;
    max-width: 90%;
    height: auto;
    display: block;
    margin: 0 auto 20px;
}

.sortable:hover {
    cursor: pointer;
    text-decoration: underline;
}

.sortable::after {
    content: ' \21C5';
}

.table, .author-section, #content {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 15px;
    margin-top: 15px;
    margin-bottom: 20px;
}

.table thead th {
    background-color: var(--nyu-violet);
    color: var(--nyu-white);
    font-weight: bold;
}

th.sortable:hover {
    background-color: var(--nyu-violet-85);
    cursor: pointer;
}

.metrics-explanation, #refreshButton, .clickable-link {
    text-decoration: underline;
    cursor: pointer;
    color: var(--nyu-deep-violet);
}

/* Search container */
.search-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.search-input-wrapper {
    position: relative;
    display: flex;
}

.search-input-wrapper .form-control {
    border-radius: 6px 0 0 6px;
    border-right: none;
    padding-right: 12px;
    font-size: 1rem;
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 6px 6px 0;
    background: var(--nyu-violet);
    color: white;
    cursor: pointer;
    transition: background 0.2s;
}

.search-btn:hover,
.search-btn:focus {
    background: var(--nyu-deep-violet);
}

.search-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Autocomplete dropdown — anchored to input */
.autocomplete-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 6px 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.author-option {
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    background: white;
}

.author-option:last-child {
    border-bottom: none;
}

.author-option:hover,
.author-option:focus,
.author-option.focused {
    background-color: var(--background-hover);
}

.author-option:focus {
    outline: 2px solid var(--nyu-violet-70);
    outline-offset: -2px;
}

.author-option-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.author-option-detail {
    font-size: 0.82rem;
    color: #666;
    margin-top: 2px;
}

.search-more-option {
    color: var(--nyu-violet);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    background: #faf8fc;
}

.search-more-option:hover,
.search-more-option:focus {
    background: var(--background-hover);
}

.search-status {
    cursor: default;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Links use NYU teal accent */
a {
    color: var(--nyu-teal-deep);
}

a:hover {
    color: var(--nyu-teal);
}

/* Buttons */
.btn-primary {
    background-color: var(--nyu-violet);
    border-color: var(--nyu-violet);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--nyu-deep-violet);
    border-color: var(--nyu-deep-violet);
}

.btn-success {
    background-color: var(--nyu-teal);
    border-color: var(--nyu-teal);
}

.btn-success:hover,
.btn-success:focus {
    background-color: var(--nyu-teal-deep);
    border-color: var(--nyu-teal-deep);
}

.btn-info {
    background-color: var(--nyu-violet-70);
    border-color: var(--nyu-violet-70);
    color: var(--nyu-white);
}

.btn-info:hover,
.btn-info:focus {
    background-color: var(--nyu-violet-85);
    border-color: var(--nyu-violet-85);
    color: var(--nyu-white);
}

footer {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--nyu-violet);
    color: var(--nyu-white);
    padding: 15px 0;
    box-shadow: var(--box-shadow-footer);
}

footer a {
    color: var(--nyu-violet-10);
    text-decoration: underline;
}

footer a:hover {
    color: var(--nyu-white);
}

footer p {
    margin: 0;
}

@media (max-width: 768px) {
    .author-section, .author-details {
        padding: 10px;
    }
}

@media (min-width: 768px) {
    .author-details {
        width: 80%;
    }
}

/* Health dashboard */
.bg-violet {
    background-color: var(--nyu-violet);
}

.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.card .table {
    background: transparent;
    box-shadow: none;
    padding: 0;
    margin-top: 0;
    margin-bottom: 0;
}

.progress {
    background-color: #e9ecef;
    border-radius: 4px;
}

.progress-bar.bg-info {
    background-color: var(--nyu-violet-70) !important;
}

#resultsTable th:first-child, #resultsTable td:first-child {
    text-align: left;
}