/* ============================================
   AI CHAT WIDGET STYLES
   Matches portfolio glassmorphism design
   ============================================ */

/* Floating Chat Button */
.chat-widget-btn {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--accent-glow), 0 0 40px rgba(99, 102, 241, 0.3);
    transition: all var(--transition-normal);
    z-index: 9999;
    pointer-events: auto;
}

.chat-widget-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px var(--accent-glow), 0 0 60px rgba(99, 102, 241, 0.4);
}

.chat-widget-btn i {
    font-size: 1.5rem;
    color: white;
    transition: transform var(--transition-fast);
    pointer-events: none;
}

.chat-widget-btn.active i {
    transform: rotate(90deg);
}

/* Chat Panel */
.chat-widget-panel {
    position: fixed;
    bottom: 10rem;
    right: 2rem;
    width: 380px;
    max-width: calc(100vw - 2rem);
    height: 500px;
    max-height: calc(100vh - 12rem);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(99, 102, 241, 0.15);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-normal);
    z-index: 9998;
    overflow: hidden;
}

.chat-widget-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Chat Header */
.chat-widget-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

.chat-widget-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px var(--accent-glow);
}

.chat-widget-avatar i {
    color: white;
    font-size: 1.1rem;
}

.chat-widget-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.chat-widget-info span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-widget-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.chat-widget-close:hover {
    color: var(--text-primary);
}

/* Chat Messages Area */
.chat-widget-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scroll-behavior: smooth;
}

.chat-widget-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-widget-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-widget-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* Message Bubbles */
.chat-message {
    max-width: 85%;
    padding: 0.875rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.9rem;
    line-height: 1.6;
    animation: messageSlide 0.3s ease;
}

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

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

.chat-message.user {
    align-self: flex-end;
    background: var(--accent-gradient);
    color: white;
    border-bottom-right-radius: 4px;
}

.chat-message.ai {
    align-self: flex-start;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-bottom-left-radius: 4px;
}

/* Typing Indicator */
.chat-message.typing {
    display: flex;
    gap: 0.3rem;
    padding: 1rem 1.25rem;
}

.chat-message.typing span {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out;
}

.chat-message.typing span:nth-child(1) {
    animation-delay: 0s;
}

.chat-message.typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.chat-message.typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {

    0%,
    60%,
    100% {
        transform: translateY(0);
        opacity: 0.4;
    }

    30% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Markdown Styles in Messages */
.chat-message.ai strong {
    font-weight: 700;
    color: var(--accent-primary);
}

.chat-message.ai em {
    font-style: italic;
    color: var(--text-secondary);
}

.chat-message.ai code {
    background: var(--bg-tertiary);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.85em;
    color: var(--accent-secondary);
}

.chat-message.ai pre {
    background: var(--bg-tertiary);
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: 0.5rem 0;
}

.chat-message.ai pre code {
    background: none;
    padding: 0;
}

.chat-message.ai a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.chat-message.ai a:hover {
    color: var(--accent-secondary);
}

.chat-message.ai ul,
.chat-message.ai ol {
    margin: 0.5rem 0;
    padding-left: 1.25rem;
}

.chat-message.ai li {
    margin: 0.25rem 0;
}

/* Chat Input Area */
.chat-widget-input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.chat-widget-input input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

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

.chat-widget-input input:focus {
    border-color: var(--accent-primary);
}

.chat-widget-input button {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.chat-widget-input button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.chat-widget-input button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Welcome Message */
.chat-welcome {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-secondary);
}

.chat-welcome i {
    font-size: 2.5rem;
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    display: block;
}

.chat-welcome h5 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.chat-welcome p {
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Error State */
.chat-message.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chat-widget-btn {
        bottom: 5rem;
        right: 1rem;
        width: 54px;
        height: 54px;
    }

    .chat-widget-panel {
        bottom: 8.5rem;
        right: 1rem;
        left: 1rem;
        width: auto;
        height: calc(100vh - 10rem);
        max-height: none;
    }

    .chat-widget-header {
        padding: 0.875rem 1rem;
    }

    .chat-message {
        max-width: 90%;
    }
}

/* Typewriter cursor effect */
.typewriter-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--accent-primary);
    margin-left: 2px;
    animation: cursorBlink 0.8s step-end infinite;
    vertical-align: text-bottom;
}

@keyframes cursorBlink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}