/*
 * CloudKlass Academy - Chat Interface CSS
 * Styles for Ask AI and Coach pages
 */

.chat-page {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.chat-header h1 {
    font-size: 1.125rem;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Mobile header adjustments */
@media (max-width: 600px) {
    .chat-header {
        padding: var(--space-sm) var(--space-md);
    }

    .chat-header h1 {
        font-size: 1rem;
        max-width: 120px;
    }
}

/* Responsive title display */
.title-mobile {
    display: none;
}

.title-desktop {
    display: inline;
}

@media (max-width: 768px) {
    .title-mobile {
        display: inline;
    }

    .title-desktop {
        display: none;
    }
}

.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--space-md);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.message {
    display: flex;
    gap: var(--space-md);
    animation: fadeIn 0.3s ease;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: var(--primary-bg);
    color: var(--primary);
}

.message.assistant .message-avatar {
    background: linear-gradient(135deg, var(--primary), #6366f1);
    color: white;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-content p {
    margin: 0 0 var(--space-sm);
    line-height: 1.7;
    color: var(--text);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message.user .message-content {
    background: var(--bg-alt);
    padding: var(--space-md);
    border-radius: var(--radius-md);
}

.message.assistant .message-content {
    background: var(--primary-bg);
    border-left: 4px solid var(--primary);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-left: var(--space-sm);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--space-md);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {

    0%,
    80%,
    100% {
        transform: scale(0);
    }

    40% {
        transform: scale(1);
    }
}

/* Chat input */
.chat-input-container {
    padding: var(--space-lg) 0;
    background: var(--bg);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--space-sm);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-bg), 0 4px 12px rgba(37, 99, 235, 0.15);
    background-color: var(--card-bg);
}

.chat-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    resize: none;
    max-height: 120px;
    line-height: 1.5;
}

.chat-input:focus {
    outline: none;
}

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

.chat-send-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.chat-send-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.chat-send-btn:disabled {
    background: var(--border);
    cursor: not-allowed;
}

/* Welcome state */
.chat-welcome {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl);
}

.chat-welcome-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
}

.chat-welcome h2 {
    margin-bottom: var(--space-sm);
}

.chat-welcome p {
    max-width: 400px;
    margin-bottom: var(--space-xl);
}

.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

.suggestion-chip {
    padding: var(--space-sm) var(--space-md);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.suggestion-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}

/* Markdown content styling */
.message-content h1,
.message-content h2,
.message-content h3 {
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
}

.message-content ul,
.message-content ol {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.message-content li {
    margin-bottom: var(--space-xs);
}

.message-content code {
    background: var(--bg-alt);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: monospace;
    font-size: 0.9em;
}

.message-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-sm) 0;
}

.message-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Loading State Skeleton */
@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.message-skeleton {
    display: flex;
    gap: var(--space-md);
}

.skeleton-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--bg-alt);
    flex-shrink: 0;
}

.skeleton-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.skeleton-line {
    height: 16px;
    background: linear-gradient(90deg, var(--bg-alt) 25%, var(--border) 50%, var(--bg-alt) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-line:nth-child(1) {
    width: 100%;
}

.skeleton-line:nth-child(2) {
    width: 90%;
}

.skeleton-line:nth-child(3) {
    width: 75%;
}