:root {
    /* Brown University brand palette */
    --brown: #4e3629;
    --brown-red: #c00404;
    --brown-red-dark: #8f0303;
    --brown-red-tint: #fbe8e8;
    --brown-red-border: #eec0c0;
    --brown-gold: #ffc72c;
    --brown-gold-tint: #fff6d9;
    --brown-gold-border: #eed48c;
    --brown-gold-text: #6b4a12;
    --brown-gray: #98a4ae;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: var(--brown);
    font-family: 'Segoe UI', 'Open Sans', sans-serif;
    display: flex;
    justify-content: center;
    padding: 30px 15px;
    color: #222;
}

#page {
    width: 100%;
    max-width: 800px;
    background-color: #ffffff;
    border-radius: 12px;
    padding: 30px 30px 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

h1 {
    text-align: center;
    margin: 0 0 4px;
    color: var(--brown);
}

.byline {
    text-align: center;
    margin: 0 0 18px;
    color: var(--brown-red);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.subtitle {
    margin: 0 0 25px;
    color: #444;
    font-size: 14.5px;
    line-height: 1.65;
}

.status-banner {
    margin: 0 0 20px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.status-banner.info {
    background-color: #f2ece7;
    color: var(--brown);
    border: 1px solid #ddccc2;
}

.status-banner.error {
    background-color: var(--brown-red-tint);
    color: var(--brown-red-dark);
    border: 1px solid var(--brown-red-border);
}

.panel {
    background-color: #f7f8fa;
    border: 1px solid #e3e6ea;
    border-radius: 10px;
    padding: 18px 20px 20px;
    margin-bottom: 20px;
}

.panel h2 {
    margin: 0 0 6px;
    font-size: 19px;
    color: var(--brown);
}

.panel-help {
    margin: 0 0 14px;
    font-size: 13px;
    color: #666;
    line-height: 1.5;
}

.card-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-item {
    background-color: #fff;
    border: 1px solid #d7dbe0;
    border-radius: 8px;
    padding: 12px 14px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.card-item input[type="checkbox"] {
    margin-top: 3px;
    width: 17px;
    height: 17px;
    flex: none;
    cursor: pointer;
    accent-color: var(--brown-red);
}

.card-body label {
    cursor: pointer;
    display: block;
}

.card-text {
    display: block;
    font-size: 14px;
    line-height: 1.5;
    color: #222;
}

.card-title {
    display: block;
    font-weight: 600;
    font-size: 14.5px;
    color: var(--brown);
    margin: 0 0 4px;
}

.card-supports {
    display: block;
    font-size: 13.5px;
    line-height: 1.5;
    margin: 0 0 6px;
    color: #333;
}

.card-guardrail {
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--brown-gold-text);
    background-color: var(--brown-gold-tint);
    border: 1px solid var(--brown-gold-border);
    border-radius: 6px;
    padding: 6px 9px;
    margin: 0;
}

.card-guardrail strong {
    color: var(--brown);
}

.collection-box h2 {
    margin: 0 0 6px;
}

.collection-box h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #444;
    margin: 18px 0 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.count-badge {
    background-color: var(--brown-red);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 999px;
    padding: 1px 8px;
    letter-spacing: 0;
    text-transform: none;
}

.selection-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 320px;
    overflow-y: auto;
}

.selection-list.empty {
    max-height: none;
}

.empty-msg {
    font-size: 13px;
    color: #888;
    font-style: italic;
}

.selection-item {
    background-color: #fff;
    border: 1px solid #e0e3e8;
    border-radius: 7px;
    padding: 8px 10px;
    font-size: 12.5px;
    line-height: 1.5;
    position: relative;
    padding-right: 28px;
}

.selection-item .item-title {
    font-weight: 600;
    color: var(--brown);
    display: block;
}

.selection-item .item-meta {
    color: #666;
    display: block;
    margin-top: 2px;
}

.remove-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 20px;
    height: 20px;
    line-height: 18px;
    text-align: center;
    border: none;
    border-radius: 50%;
    background-color: #eee;
    color: #555;
    cursor: pointer;
    font-size: 14px;
    padding: 0;
}

.remove-btn:hover {
    background-color: var(--brown-red);
    color: #fff;
}

.collection-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

#copy-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    background-color: var(--brown-red);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#copy-btn:hover {
    background-color: var(--brown-red-dark);
}

#copy-btn:disabled {
    background-color: #d3a3a3;
    cursor: not-allowed;
}

#copy-btn.copied {
    background-color: #1e8e3e;
}

#send-btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    background-color: #fff;
    color: var(--brown-red);
    border: 2px solid var(--brown-red);
    border-radius: 6px;
    cursor: pointer;
}

#send-btn:hover {
    background-color: var(--brown-red-tint);
}

#send-btn:disabled {
    color: #d3a3a3;
    border-color: #eec0c0;
    cursor: not-allowed;
}

#send-btn.sent {
    background-color: #1e8e3e;
    border-color: #1e8e3e;
    color: #fff;
}

.send-note {
    margin: 10px 0 0;
    font-size: 12px;
    color: #777;
    line-height: 1.5;
}

.secondary-btn {
    padding: 10px 16px;
    font-size: 14px;
    background-color: #e5e7eb;
    color: #333;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.secondary-btn:hover {
    background-color: #d8dbe0;
}