/* ============================================
   LIMAI Chat Interface - Conversational Search
   ============================================ */

:root {
    --chat-bg: #0a0a0a;
    --chat-header: #141414;
    --chat-input-bg: #1a1a1a;
    --chat-border: #2a2a2a;
    --user-bubble: linear-gradient(135deg, #00a8e1 0%, #0088b3 100%);
    --assistant-bubble: #1a1a1a;
    --text-primary: #f5f5f0;
    --text-secondary: #8a8a8a;
    --accent: #00a8e1;
    --accent-glow: rgba(0, 168, 225, 0.15);
    --typing-dot: #00a8e1;
    --card-bg: rgba(26, 26, 26, 0.6);
    --card-border: #2a2a2a;
    --card-hover: #00a8e1;
}

/* ============================================
   Chat Container
   ============================================ */

.chat-container {
    position: fixed;
    bottom: 100px; /* Espacio para el FAB */
    right: 2rem;
    width: 600px; /* Wider by default */
    height: 600px;
    max-width: calc(100vw - 4rem);
    max-height: calc(100vh - 140px);
    display: flex;
    flex-direction: column;
    background: var(--chat-bg);
    z-index: 1000;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--chat-border);
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.chat-container.hidden {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
}

.chat-container.minimized {
    height: auto !important;
}

.chat-container.minimized .chat-messages,
.chat-container.minimized .chat-input-wrapper {
    display: none;
}

.chat-container.minimized .chat-resize-handle-top {
    display: none;
}

/* Resize handle */
.chat-resize-handle {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 10px;
    cursor: ew-resize;
    background: transparent;
    z-index: 10;
    transition: all 0.2s ease;
}

.chat-resize-handle:hover {
    background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
}

.chat-resize-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 2px;
    transform: translateY(-50%);
    width: 3px;
    height: 50px;
    background: var(--chat-border);
    border-radius: 2px;
    opacity: 0;
    transition: all 0.2s ease;
}

.chat-resize-handle:hover::before {
    opacity: 1;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.chat-resize-handle::after {
    content: '⇄';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.chat-resize-handle:hover::after {
    opacity: 0.6;
}

/* Resize handle top (vertical) */
.chat-resize-handle-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 10px;
    cursor: ns-resize;
    background: transparent;
    z-index: 10;
    transition: all 0.2s ease;
}

.chat-resize-handle-top:hover {
    background: linear-gradient(180deg, var(--accent) 0%, transparent 100%);
}

.chat-resize-handle-top::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--chat-border);
    border-radius: 2px;
    opacity: 0;
    transition: all 0.2s ease;
}

.chat-resize-handle-top:hover::before {
    opacity: 1;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.chat-resize-handle-top::after {
    content: '⇅';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.chat-resize-handle-top:hover::after {
    opacity: 0.6;
}

/* ============================================
   Chat Header
   ============================================ */

.chat-header {
    background: var(--chat-header);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--chat-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
    cursor: move; /* Indicate draggable */
    user-select: none; /* Prevent text selection while dragging */
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.chat-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--chat-bg);
}

.chat-title h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin: 0;
}

.chat-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    animation: pulse-status 2s ease-in-out infinite;
}

@keyframes pulse-status {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chat-actions {
    display: flex;
    gap: 1rem;
}

.chat-action-btn {
    background: transparent;
    border: 1px solid var(--chat-border);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.chat-action-btn.close-btn {
    border-color: rgba(239, 68, 68, 0.3);
    color: rgba(239, 68, 68, 0.8);
}

.chat-action-btn.close-btn:hover {
    border-color: rgb(239, 68, 68);
    color: rgb(239, 68, 68);
    background: rgba(239, 68, 68, 0.1);
}

.chat-action-btn.minimize-btn {
    border-color: rgba(234, 179, 8, 0.3);
    color: rgba(234, 179, 8, 0.8);
}

.chat-action-btn.minimize-btn:hover {
    border-color: rgb(234, 179, 8);
    color: rgb(234, 179, 8);
    background: rgba(234, 179, 8, 0.1);
}

.chat-action-text {
    display: none; /* Hide button text, show only icons */
}

.chat-action-btn {
    padding: 0.5rem; /* Reduce padding since no text */
}

/* ============================================
   Messages Area
   ============================================ */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: var(--chat-bg);
}

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

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

/* ============================================
   Message Bubbles
   ============================================ */

.message {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    animation: messageSlideIn 0.3s ease-out;
}

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

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.message.user .message-avatar {
    background: var(--user-bubble);
    color: white;
}

.message.assistant .message-avatar {
    background: var(--assistant-bubble);
    border: 2px solid var(--accent);
    color: var(--accent);
}

.message-content {
    max-width: 70%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message.user .message-content {
    align-items: flex-end;
}

.message-bubble {
    padding: 1rem 1.5rem;
    border-radius: 16px;
    line-height: 1.6;
    word-wrap: break-word;
}

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

.message.assistant .message-bubble {
    background: var(--assistant-bubble);
    border: 1px solid var(--chat-border);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-secondary);
    padding: 0 0.5rem;
}

/* ============================================
   Typing Indicator
   ============================================ */

.typing-indicator {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: messageSlideIn 0.3s ease-out forwards;
}

.typing-bubble {
    padding: 1rem 1.5rem;
    background: var(--assistant-bubble);
    border: 1px solid var(--chat-border);
    border-radius: 16px;
    border-bottom-left-radius: 4px;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--typing-dot);
    animation: typingAnimation 1.4s infinite;
}

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

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

@keyframes typingAnimation {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    30% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   Provider Cards in Chat
   ============================================ */

.chat-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
    cursor: pointer;
    backdrop-filter: blur(10px);
}

.chat-card:hover {
    border-color: var(--card-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.chat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 0.75rem;
}

.chat-card-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.chat-card-location {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.chat-card-score {
    background: var(--accent);
    color: var(--chat-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.chat-card-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.chat-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chat-card-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 168, 225, 0.1);
    border: 1px solid rgba(0, 168, 225, 0.3);
    color: var(--accent);
    border-radius: 12px;
}

.chat-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--chat-border);
}

.chat-card-btn {
    flex: 1;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--chat-border);
    color: var(--text-primary);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.chat-card-btn:hover {
    border-color: var(--accent);
    background: var(--accent-glow);
    color: var(--accent);
}

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

.chat-card-btn.primary:hover {
    background: #0088b3;
}

/* ============================================
   Quick Actions / Suggestions
   ============================================ */

.quick-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.quick-action-btn {
    padding: 0.5rem 1rem;
    background: rgba(0, 168, 225, 0.1);
    border: 1px solid rgba(0, 168, 225, 0.3);
    color: var(--accent);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.quick-action-btn:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}

/* ============================================
   Chat Input Area
   ============================================ */

.chat-input-wrapper {
    background: var(--chat-header);
    border-top: 1px solid var(--chat-border);
    padding: 1.5rem 2rem;
}

.chat-input-container {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    max-width: 1200px;
    margin: 0 auto;
}

.chat-input-box {
    flex: 1;
    background: var(--chat-input-bg);
    border: 2px solid var(--chat-border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.chat-input-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.chat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    outline: none;
    resize: none;
    max-height: 120px;
    line-height: 1.5;
}

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

.chat-send-btn {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
    background: #0088b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-send-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Welcome Message
   ============================================ */

.chat-welcome {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.chat-welcome-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.chat-welcome h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.chat-welcome p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.chat-welcome-suggestions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.suggestion-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.suggestion-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

.suggestion-card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.suggestion-card-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.suggestion-card-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .chat-container {
        bottom: 80px;
        right: 1rem;
        left: 1rem;
        width: auto;
        max-width: none;
        height: 500px;
    }

    .chat-resize-handle,
    .chat-resize-handle-top {
        display: none; /* No resize en móvil */
    }

    .chat-header {
        padding: 1rem;
    }

    .chat-title h2 {
        font-size: 1.2rem;
    }

    .chat-subtitle,
    .chat-status {
        display: none;
    }

    .chat-action-text {
        display: none; /* Solo mostrar iconos en móvil */
    }

    .chat-action-btn {
        padding: 0.5rem;
    }

    .chat-messages {
        padding: 1rem;
    }

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

    .chat-input-wrapper {
        padding: 1rem;
    }

    .chat-welcome {
        padding: 2rem 1rem;
    }

    .chat-welcome-suggestions {
        grid-template-columns: 1fr;
    }

    .chat-card-actions {
        flex-direction: column;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .chat-container {
        width: 380px;
        height: 550px;
    }
}

@media (min-width: 1400px) {
    .chat-container {
        width: 480px;
        height: 680px;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   Markdown Styling in Messages
   ============================================ */

.message-bubble strong {
    color: var(--accent);
    font-weight: 600;
}

.message-bubble ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.message-bubble li {
    margin-bottom: 0.25rem;
}

.message-bubble a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
}

.message-bubble a:hover {
    border-bottom-color: transparent;
}