/* Mortgage assistant chat page — Flown-inspired surfaces + Atlas accents */

:root {
    --chat-workspace-bg: #f8f9fa;
    --chat-surface: #ffffff;
    --chat-input-bg: #f1f3f5;
    --chat-border-soft: #e9ecef;
    --chat-send-bg: #9ebcc9;
    --chat-send-fg: #1e2d33;
    --chat-text: #212529;
    --chat-input-flown: #f8fafc;
}

.chat-page-body {
    min-height: 100vh;
    background: var(--chat-workspace-bg);
}

.chat-main {
    padding: var(--space-10) 0 var(--space-16);
}

.chat-container {
    max-width: 880px;
}

.chat-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.chat-user-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-chat-signout {
    padding: 0.4rem 0.9rem;
    font-size: 0.875rem;
}

.chat-page-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.chat-page-header h1 {
    font-size: 2.25rem;
    margin: var(--space-3) 0 var(--space-4);
}

.chat-page-header p {
    max-width: 36rem;
    margin: 0 auto;
}

.chat-panel-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.35rem;
    margin-bottom: var(--space-2);
}

.chat-panel-intro {
    margin-bottom: var(--space-6);
    color: var(--color-text-light);
}

.chat-alt-signup {
    margin-top: var(--space-6);
    text-align: center;
    color: var(--color-text-light);
}

.chat-alt-signup a {
    color: var(--color-primary);
    font-weight: 500;
}

.chat-guest-panel {
    max-width: 480px;
    margin: 0 auto;
}

.chat-logged-panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-6);
}

.chat-terminal-bar {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-bg-gray);
}

.chat-terminal-dots {
    display: flex;
    gap: 6px;
}

.chat-terminal-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.chat-terminal-dots span:nth-child(1) {
    background: #ef4444;
}

.chat-terminal-dots span:nth-child(2) {
    background: #eab308;
}

.chat-terminal-dots span:nth-child(3) {
    background: #22c55e;
}

.chat-terminal-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
}

.chat-messages {
    min-height: 220px;
    max-height: min(52vh, 520px);
    overflow-y: auto;
    padding: var(--space-2) 0;
    margin-bottom: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    background: transparent;
}

.chat-turn {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    max-width: 100%;
}

.chat-turn--user {
    align-items: flex-end;
}

.chat-turn--assistant {
    align-items: flex-start;
}

.chat-turn--error {
    align-items: stretch;
}

.chat-turn-time {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    padding-left: var(--space-1);
}

.chat-thinking {
    padding: var(--space-3) 0 var(--space-2);
    margin-bottom: var(--space-1);
    border-bottom: 1px dashed var(--chat-border-soft);
}

.chat-thinking-row {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.chat-thinking-label::after {
    content: '';
}

.chat-thinking-dots {
    display: inline-flex;
    gap: 2px;
    margin-left: 1px;
}

.chat-thinking-dots span {
    display: inline-block;
    width: 4px;
    text-align: center;
    animation: chat-thinking-pulse 1.2s ease-in-out infinite;
    opacity: 0.35;
    font-weight: 700;
}

.chat-thinking-dots span:nth-child(2) {
    animation-delay: 0.15s;
}

.chat-thinking-dots span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes chat-thinking-pulse {
    0%,
    100% {
        opacity: 0.25;
        transform: translateY(0);
    }
    40% {
        opacity: 1;
        transform: translateY(-2px);
    }
}

.chat-thinking-detail {
    margin-top: var(--space-2);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.chat-bubble {
    max-width: min(100%, 52rem);
    padding: var(--space-4) var(--space-5);
    border-radius: 14px;
    font-size: 0.9375rem;
    line-height: 1.6;
    word-wrap: break-word;
    color: var(--chat-text);
}

.chat-bubble--user {
    background: var(--color-primary);
    color: var(--color-white);
    border-bottom-right-radius: 6px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.chat-bubble--assistant {
    display: flex;
    flex-direction: column;
    background: var(--chat-surface);
    color: var(--chat-text);
    border: 1px solid var(--chat-border-soft);
    border-bottom-left-radius: 6px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.chat-bubble--assistant .chat-turn-time {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    padding-left: 0;
    border-top: 1px solid var(--chat-border-soft);
    align-self: flex-start;
}

button.glossary-term {
    display: inline;
    margin: 0;
    padding: 0 1px;
    border: none;
    border-bottom: 1px dotted rgba(52, 112, 133, 0.88);
    background: none;
    font: inherit;
    font-weight: inherit;
    line-height: inherit;
    color: inherit;
    cursor: help;
    text-decoration: none;
    border-radius: 2px;
    vertical-align: baseline;
}

button.glossary-term:hover,
button.glossary-term:focus-visible {
    background: rgba(52, 112, 133, 0.1);
    outline: none;
}

.chat-bubble--assistant.streaming {
    border-color: rgba(52, 112, 133, 0.35);
    box-shadow: 0 0 0 1px rgba(52, 112, 133, 0.12);
}

.chat-bubble-content.markdown-body {
    min-height: 0;
}

.chat-bubble-content.markdown-body > :first-child {
    margin-top: 0;
}

.chat-bubble-content.markdown-body > :last-child {
    margin-bottom: 0;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 700;
    line-height: 1.25;
    margin: 1.15em 0 0.5em;
    color: #15201b;
}

.markdown-body h1 {
    font-size: 1.25rem;
}

.markdown-body h2 {
    font-size: 1.1rem;
}

.markdown-body h3 {
    font-size: 1rem;
}

.markdown-body p {
    margin: 0.65em 0;
}

.markdown-body ul,
.markdown-body ol {
    margin: 0.65em 0;
    padding-left: 1.35rem;
}

.markdown-body li {
    margin: 0.25em 0;
}

.markdown-body li::marker {
    color: var(--color-text-muted);
}

.markdown-body hr {
    border: none;
    border-top: 1px solid var(--chat-border-soft);
    margin: 1rem 0;
}

.markdown-body a {
    color: var(--color-primary);
    font-weight: 500;
}

.markdown-body strong {
    font-weight: 700;
    color: #15201b;
}

.markdown-body code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
    font-size: 0.84em;
    background: var(--chat-input-bg);
    padding: 0.12em 0.35em;
    border-radius: 4px;
}

.markdown-body pre {
    margin: 0.75em 0;
    padding: var(--space-3);
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-size: 0.8125rem;
    line-height: 1.45;
}

.markdown-body pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.markdown-body blockquote {
    margin: 0.75em 0;
    padding-left: var(--space-3);
    border-left: 3px solid rgba(26, 95, 63, 0.35);
    color: var(--color-text-light);
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin: 0.75em 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid var(--chat-border-soft);
    padding: 0.45em 0.65em;
    text-align: left;
}

.markdown-body th {
    background: var(--chat-input-bg);
    font-weight: 600;
}

.chat-bubble--user a {
    color: #bbf7d0;
}

.chat-bubble--error {
    align-self: stretch;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.chat-status {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-3);
    font-style: italic;
}

.chat-status--tool {
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: rgba(26, 95, 63, 0.06);
    border: 1px solid rgba(26, 95, 63, 0.08);
    color: var(--color-text);
}

.chat-message-queue {
    margin: var(--space-3) 0 var(--space-2);
    padding: var(--space-3);
    border-radius: 12px;
    background: rgba(52, 112, 133, 0.06);
    border: 1px solid rgba(52, 112, 133, 0.12);
}

.chat-message-queue-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.chat-message-queue-title {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
}

.chat-message-queue-title i {
    opacity: 0.75;
}

.chat-message-queue-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.chat-message-queue-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: 10px;
    background: var(--chat-surface);
    border: 1px solid var(--chat-border-soft);
    font-size: 0.8125rem;
    line-height: 1.4;
}

.chat-message-queue-text {
    flex: 1;
    min-width: 0;
    color: var(--color-text);
    word-break: break-word;
    white-space: pre-wrap;
}

.chat-message-queue-remove {
    flex-shrink: 0;
    align-self: flex-end;
    padding: 0.4rem 0.75rem;
    margin: 0;
    border: 1px solid rgba(30, 45, 51, 0.12);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.65);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-weight: 500;
    font-family: inherit;
    line-height: 1.2;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.chat-message-queue-remove:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text);
    border-color: rgba(30, 45, 51, 0.2);
}

.chat-composer {
    margin-top: var(--space-2);
}

.chat-composer--flown {
    margin-top: 0;
}

.chat-composer-shell {
    background: var(--chat-surface);
    border: 1px solid var(--chat-border-soft);
    border-radius: 16px;
    padding: var(--space-3);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.chat-composer--flown .chat-input {
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: var(--chat-input-flown);
}

.chat-composer-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--chat-border-soft);
}

.chat-composer--flown .chat-composer-hint {
    margin: 0;
    flex: 1;
    min-width: 0;
    max-width: 38rem;
}

.chat-composer-hint {
    font-size: 0.75rem;
    line-height: 1.45;
    color: var(--color-text-muted);
}

.chat-composer-hint kbd {
    display: inline-block;
    padding: 0.1em 0.35em;
    font-size: 0.7rem;
    font-family: inherit;
    background: var(--chat-input-bg);
    border: 1px solid var(--chat-border-soft);
    border-radius: 4px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.btn-chat-send {
    flex-shrink: 0;
    align-self: flex-end;
    background: var(--color-primary) !important;
    color: #ffffff !important;
    border: 1px solid var(--color-primary) !important;
    font-weight: 600;
    border-radius: 999px;
    padding: 0.55rem 1.25rem;
    transition: background 0.2s ease, border-color 0.2s ease, filter 0.2s ease;
}

.btn-chat-send:hover:not(:disabled) {
    background: var(--color-primary-dark) !important;
    border-color: var(--color-primary-dark) !important;
}

.btn-chat-send:disabled {
    background: var(--chat-send-bg) !important;
    color: #ffffff !important;
    border: 1px solid rgba(30, 45, 51, 0.12) !important;
    opacity: 1;
    cursor: wait;
}

.chat-composer--awaiting-reply .btn-chat-send:not(:disabled) {
    background: rgba(52, 112, 133, 0.9) !important;
    border-color: rgba(45, 95, 115, 0.95) !important;
    filter: saturate(0.92);
}

.chat-composer--awaiting-reply .btn-chat-send:not(:disabled):hover {
    background: rgba(45, 95, 115, 0.98) !important;
    border-color: rgba(38, 82, 98, 1) !important;
}

.chat-input {
    width: 100%;
    resize: vertical;
    min-height: 120px;
    padding: var(--space-4);
    border-radius: 14px;
    border: 1px solid var(--chat-border-soft);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.5;
    background: var(--chat-input-bg);
    color: var(--chat-text);
    transition: var(--transition);
}

.chat-input::placeholder {
    color: var(--color-text-muted);
}

.chat-input:focus {
    outline: none;
    border-color: rgba(52, 112, 133, 0.55);
    box-shadow: 0 0 0 3px rgba(52, 112, 133, 0.12);
}

.chat-composer-actions {
    margin-top: var(--space-4);
    display: flex;
    justify-content: flex-end;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 768px) {
    .chat-page-header h1 {
        font-size: 1.75rem;
    }

    .navbar .container {
        flex-wrap: wrap;
    }

    .chat-nav-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .chat-composer-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-chat-send {
        align-self: flex-end;
    }
}