/* Stevie Chat Interface Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --user-message-bg: #2563eb;
    --assistant-message-bg: #f1f5f9;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 20px 70px;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ── Two-column layout: sidebar + chat ── */
.main-layout {
    flex: 1;
    display: flex;
    gap: 16px;
    overflow: hidden;
    min-height: 0;
    margin-bottom: 24px;
}

/* ── History sidebar ── */
.history-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--background-color);
    border-radius: 16px 16px 0 0;
}

.history-title {
    font-size: 0.8em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.history-refresh {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.1em;
    padding: 2px 4px;
    border-radius: 4px;
    line-height: 1;
}

.history-refresh:hover { color: var(--primary-color); }

.conversation-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.conv-item {
    padding: 10px 14px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.15s, border-color 0.15s;
}

.conv-item:hover {
    background: var(--background-color);
}

.conv-item.active {
    background: #eff6ff;
    border-left-color: var(--primary-color);
}

.conv-title {
    font-size: 0.85em;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conv-meta {
    font-size: 0.75em;
    color: var(--text-secondary);
    margin-top: 2px;
}

.conv-loading {
    padding: 16px;
    font-size: 0.85em;
    color: var(--text-secondary);
    text-align: center;
}

header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.header-content h1 {
    font-size: 2.5em;
    font-weight: 700;
    margin-bottom: 5px;
}

.subtitle {
    font-size: 1.1em;
    opacity: 0.9;
    font-weight: 300;
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--card-background);
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    display: flex;
    margin-bottom: 10px;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-message {
    justify-content: flex-end;
}

.assistant-message {
    justify-content: flex-start;
    align-items: flex-start;
}

/* Stevie avatar */
.header-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.4);
    flex-shrink: 0;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    margin-top: 4px;
    margin-right: 8px;
}

.message-content {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 12px;
    word-wrap: break-word;
}

.user-message .message-content {
    background-color: var(--user-message-bg);
    color: white;
    border-bottom-right-radius: 4px;
}

.assistant-message .message-content {
    background-color: var(--assistant-message-bg);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.assistant-message .message-content ul {
    margin: 10px 0;
    padding-left: 20px;
}

.assistant-message .message-content li {
    margin: 5px 0;
}

.chat-input-container {
    padding: 20px 20px 32px;
    border-top: 1px solid var(--border-color);
    background: var(--card-background);
}

#chat-form {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

#message-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
    resize: none;
    overflow-y: hidden;
    line-height: 1.5;
    min-height: 48px;
    max-height: 200px;
}

#message-input:focus {
    outline: none;
    border-color: var(--primary-color);
}


#send-button {
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    min-width: 80px;
}

#send-button:hover {
    background-color: var(--secondary-color);
}

#send-button:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.hidden {
    display: none;
}

footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

/* Scrollbar styling */
.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Widget containers (TradingView, etc.) */
.widget-container {
    margin: 15px 0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-color);
}

.widget-container .tradingview-widget-container {
    min-height: 400px;
}

/* Chart images (QuickChart, etc.) */
.chat-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 10px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Links in messages */
.assistant-message .message-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.assistant-message .message-content a:hover {
    text-decoration: underline;
}

/* Code in messages */
.assistant-message .message-content code {
    background-color: #e2e8f0;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.9em;
}

/* Headers in messages */
.assistant-message .message-content h2,
.assistant-message .message-content h3,
.assistant-message .message-content h4 {
    margin: 15px 0 10px 0;
    color: var(--text-primary);
}

.assistant-message .message-content h2 {
    font-size: 1.4em;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
}

.assistant-message .message-content h3 {
    font-size: 1.2em;
}

.assistant-message .message-content h4 {
    font-size: 1.1em;
}

/* Lists in messages */
.assistant-message .message-content li {
    list-style: none;
    position: relative;
    padding-left: 5px;
}

.assistant-message .message-content li.numbered {
    list-style: decimal;
    margin-left: 20px;
    padding-left: 5px;
}

/* Tables in messages */
.assistant-message .message-content table {
    border-collapse: collapse;
    margin: 12px 0;
    width: 100%;
    font-size: 0.9em;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.assistant-message .message-content th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    padding: 9px 14px;
    text-align: left;
    white-space: nowrap;
}

.assistant-message .message-content td {
    padding: 8px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.assistant-message .message-content tr:last-child td {
    border-bottom: none;
}

.assistant-message .message-content tr:nth-child(even) td {
    background: var(--background-color);
}

.assistant-message .message-content .positive { color: #16a34a; font-weight: 600; }
.assistant-message .message-content .negative { color: #dc2626; font-weight: 600; }

/* Feedback buttons */
.feedback-container {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.feedback-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    transition: all 0.2s;
}

.feedback-btn:hover {
    background: var(--background-color);
    color: var(--text-primary);
}

.feedback-btn.selected.feedback-up {
    background: #dcfce7;
    color: #16a34a;
    border-color: #16a34a;
}

.feedback-btn.selected.feedback-down {
    background: #fee2e2;
    color: #dc2626;
    border-color: #dc2626;
}

.feedback-comment-area {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    width: 100%;
    margin-top: 6px;
}

.feedback-comment {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    font-family: inherit;
    resize: vertical;
}

.feedback-comment:focus {
    outline: none;
    border-color: var(--primary-color);
}

.feedback-thanks {
    color: #16a34a;
    font-style: italic;
    font-size: 13px;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header-content h1 {
        font-size: 2em;
    }

    .message-content {
        max-width: 85%;
    }

    #chat-form {
        flex-direction: column;
    }

    #send-button {
        width: 100%;
    }
}