/* Chat History Service Styles */

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d26;
    --bg-tertiary: #242833;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --border: #3f3f46;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Search Bar */
.search-bar {
    margin-bottom: 20px;
}

.search-bar form {
    display: flex;
    gap: 10px;
}

.search-bar input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
}

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

.search-bar button {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    background: var(--accent);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.search-bar button:hover {
    background: var(--accent-hover);
}

.search-bar button.hidden {
    display: none;
}

#clearSearch {
    background: var(--bg-tertiary);
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stats-bar span {
    color: var(--text-secondary);
}

.stats-bar strong {
    color: var(--text-primary);
}

/* Toolbar */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

/* Buttons */
button, .btn-primary, .btn-secondary, .btn-link {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-link {
    background: transparent;
    color: var(--accent);
    padding: 10px 0;
}

.btn-link:hover {
    text-decoration: underline;
}

.conversation-id {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: monospace;
}

/* Conversations List */
.conversations-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.conversation-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.conversation-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.conversation-summary {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.conversation-meta {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-label {
    color: var(--text-muted);
}

.conversation-project {
    font-family: monospace;
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Conversation Detail */
.conversation-detail {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    border-radius: 8px;
    padding: 14px;
}

/* User message styling */
.message.message-role-user {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

/* AI message styling */
.message.message-role-ai {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.message-role {
    font-weight: 600;
}

.message-role-user .message-role {
    color: var(--text-primary);
}

.message-role-ai .message-role {
    color: var(--accent);
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.message-content {
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.6;
}

.message-project {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
    font-family: monospace;
}

/* Loading / Empty / Error States */
.loading, .empty-state, .error-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

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

.hidden {
    display: none !important;
}

.error-state h2 {
    color: var(--error);
    margin-bottom: 10px;
}

.empty-state h2 {
    color: var(--text-muted);
    margin-bottom: 10px;
}

/* Footer */
footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 1.5rem;
    }

    .search-bar form {
        flex-direction: column;
    }

    .stats-bar {
        flex-direction: column;
        gap: 10px;
    }

    .conversation-header {
        flex-direction: column;
        gap: 10px;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
}