/* Site Concierge — chat UI. Uses the site's chalk-theme design tokens
   (static/css/edu-theme.css); re-declared here (same exact values) so this
   file stays self-contained and easy to retheme in one place. */

:root {
    --primary-dark: #F6F4F1;
    --secondary-dark: #FFFFFF;
    --tertiary-dark: #EFEAE6;
    --accent-blue: #96305F;
    --accent-purple: #D9A441;
    --accent-green: #2F7A6B;
    --accent-deep: #7A2650;
    --text-primary: #1B1720;
    --text-secondary: #565160;
    --text-muted: #8B8494;
    --hairline: #E3DFD9;
}

.concierge-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px 80px;
    color: var(--text-primary);
}

.concierge-header {
    position: relative;
    text-align: center;
    margin-bottom: 32px;
}

.concierge-back {
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}

.concierge-back:hover {
    color: var(--accent-blue);
}

.concierge-header h1 {
    font-size: 2.2rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.concierge-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.concierge-body {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 24px;
}

@media (max-width: 800px) {
    .concierge-body {
        grid-template-columns: 1fr;
    }
}

.concierge-chat {
    background: var(--secondary-dark);
    border: 1px solid var(--hairline);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    height: 70vh;
    min-height: 420px;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.message {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.message-avatar {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    background: var(--tertiary-dark);
    color: var(--accent-blue);
}

.message.user .message-avatar {
    background: var(--accent-blue);
    color: #ffffff;
}

.message-content {
    background: var(--tertiary-dark);
    padding: 10px 14px;
    border-radius: 10px;
    line-height: 1.5;
    max-width: 80%;
    color: var(--text-primary);
}

.message.user {
    flex-direction: row-reverse;
}

.message.user .message-content {
    background: rgba(150, 48, 95, 0.12);
}

.typing-indicator {
    display: flex;
    gap: 4px;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: concierge-blink 1.2s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes concierge-blink {
    0%, 80%, 100% { opacity: 0.25; }
    40% { opacity: 1; }
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 14px;
    border-top: 1px solid var(--hairline);
}

.chat-input {
    flex: 1;
    resize: none;
    background: var(--tertiary-dark);
    border: 1px solid var(--hairline);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 10px 12px;
    font-size: 0.95rem;
    font-family: inherit;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.send-btn {
    background: var(--accent-blue);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0 20px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 6px 20px -8px rgba(150, 48, 95, 0.5);
    transition: background 0.2s, box-shadow 0.2s;
}

.send-btn:hover {
    background: var(--accent-deep);
    box-shadow: 0 8px 24px -8px rgba(122, 38, 80, 0.5);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.concierge-results h2 {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.results-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.results-empty {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.result-card {
    display: block;
    background: var(--secondary-dark);
    border: 1px solid var(--hairline);
    border-radius: 10px;
    padding: 14px 16px;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, transform 0.2s;
}

.result-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.result-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.result-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.result-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.result-tag {
    font-size: 0.7rem;
    background: rgba(150, 48, 95, 0.1);
    color: var(--accent-deep);
    border-radius: 999px;
    padding: 2px 9px;
}

.alert {
    background: rgba(163, 31, 52, 0.08);
    border: 1px solid rgba(163, 31, 52, 0.35);
    color: #7A1F30;
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 0.85rem;
    margin-bottom: 12px;
}