/* ═══════════════════════════════════════════════════════════════
   🎨 ARIA Web Chatbot - Estilos
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* Colores principales */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;

    /* Fondos */
    --bg-main: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-chat: #1e293b;
    --bg-input: #334155;
    --bg-message-user: #6366f1;
    --bg-message-bot: #334155;

    /* Textos */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Bordes */
    --border-color: #334155;

    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

    /* Transiciones */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Espaciado */
    --sidebar-width: 280px;
}

/* Tema claro */
[data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-sidebar: #ffffff;
    --bg-chat: #f1f5f9;
    --bg-input: #ffffff;
    --bg-message-user: #6366f1;
    --bg-message-bot: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
}

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-main);
}

/* Container principal */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   Sidebar
   ═══════════════════════════════════════════════════════════════ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.nav-btn:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

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

.nav-btn .icon {
    font-size: 1.25rem;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
}

.status-dot.connected {
    background: #22c55e;
}

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

.powered-by {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   Main Chat Area
   ═══════════════════════════════════════════════════════════════ */

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
}

.header-info h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: none;
    border-radius: 0.5rem;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

/* ═══════════════════════════════════════════════════════════════
   Messages Container
   ═══════════════════════════════════════════════════════════════ */

.messages-container {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Welcome Message */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem;
    flex: 1;
}

.welcome-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.welcome-message h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.welcome-message p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.quick-btn {
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 0.75rem;
    max-width: 80%;
    animation: fadeIn 0.3s ease;
}

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

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.message.bot .message-avatar {
    background: var(--primary);
}

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

.message-content {
    padding: 0.875rem 1rem;
    border-radius: 1rem;
    line-height: 1.5;
}

.message.bot .message-content {
    background: var(--bg-message-bot);
    border-bottom-left-radius: 0.25rem;
}

.message.user .message-content {
    background: var(--bg-message-user);
    color: white;
    border-bottom-right-radius: 0.25rem;
}

.message-content pre {
    background: var(--bg-main);
    padding: 0.75rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.85rem;
    margin: 0.5rem 0;
}

.message-content code {
    font-family: 'Fira Code', monospace;
    background: var(--bg-main);
    padding: 0.15rem 0.3rem;
    border-radius: 0.25rem;
    font-size: 0.9em;
}

.message-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 0.25rem;
    padding: 0.5rem;
}

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

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1); }
}

/* ═══════════════════════════════════════════════════════════════
   Input Area
   ═══════════════════════════════════════════════════════════════ */

.input-area {
    padding: 1rem 1.5rem;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border-color);
}

.input-container {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    background: var(--bg-input);
    border-radius: 1rem;
    padding: 0.5rem;
}

.input-container textarea {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    resize: none;
    max-height: 150px;
    padding: 0.5rem;
}

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

.input-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-voice, .btn-send {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-voice {
    background: transparent;
    font-size: 1.25rem;
}

.btn-voice:hover {
    background: var(--bg-main);
}

.btn-voice.recording {
    background: #ef4444;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

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

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

.input-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════
   Modal
   ═══════════════════════════════════════════════════════════════ */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-sidebar);
    border-radius: 1rem;
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.modal-header p {
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

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

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

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

/* ═══════════════════════════════════════════════════════════════
   Loading Overlay
   ═══════════════════════════════════════════════════════════════ */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ═══════════════════════════════════════════════════════════════
   Menu Toggle (Hamburger)
   ═══════════════════════════════════════════════════════════════ */

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ═══════════════════════════════════════════════════════════════
   Apps Menu (Google Style 9 dots)
   ═══════════════════════════════════════════════════════════════ */

.apps-menu {
    position: absolute;
    top: 70px;
    right: 1rem;
    background: var(--bg-sidebar);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all var(--transition-normal);
}

.apps-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: transparent;
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.app-item:hover {
    background: var(--bg-input);
}

.app-item:active {
    transform: scale(0.95);
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.app-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════
   Quick Actions Grid (Touch Friendly)
   ═══════════════════════════════════════════════════════════════ */

.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    min-height: 90px;
}

.quick-action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn:active {
    transform: scale(0.95);
}

.qa-icon {
    font-size: 1.75rem;
}

.qa-text {
    font-size: 0.75rem;
    text-align: center;
    line-height: 1.2;
}

/* ═══════════════════════════════════════════════════════════════
   Bottom Navigation Bar (Mobile)
   ═══════════════════════════════════════════════════════════════ */

.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border-color);
    padding: 0.5rem 0;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
    z-index: 50;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.bottom-nav-item:active {
    transform: scale(0.95);
}

.bottom-nav-item.active {
    color: var(--primary);
}

.bottom-nav-item .nav-icon {
    font-size: 1.5rem;
}

.bottom-nav-item .nav-label {
    font-size: 0.65rem;
    font-weight: 500;
}

/* Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ═══════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 50;
        transition: left var(--transition-normal);
        width: 280px;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        display: block;
    }

    .menu-toggle {
        display: flex;
    }

    .bottom-nav {
        display: flex;
    }

    .chat-main {
        padding-bottom: 70px;
    }

    .input-area {
        padding-bottom: calc(70px + 1rem);
    }

    .chat-header {
        padding: 0.75rem 1rem;
    }

    .header-info h1 {
        font-size: 1.1rem;
    }

    .header-info p {
        font-size: 0.75rem;
    }

    .message {
        max-width: 90%;
    }

    .quick-actions-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .quick-action-btn {
        padding: 0.75rem;
        min-height: 80px;
    }

    .qa-icon {
        font-size: 1.5rem;
    }

    .qa-text {
        font-size: 0.65rem;
    }

    .welcome-message {
        padding: 1.5rem 1rem;
    }

    .welcome-icon {
        font-size: 3rem;
    }

    .welcome-message h2 {
        font-size: 1.5rem;
    }

    .apps-menu {
        right: 0.5rem;
        left: 0.5rem;
        max-width: 100%;
    }

    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 380px) {
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ═══════════════════════════════════════════════════════════════
   Mapa Embebido (OpenStreetMap)
   ═══════════════════════════════════════════════════════════════ */

.map-embed-container {
    margin: 0.75rem 0;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
}

.map-embed {
    width: 100%;
    height: 180px;
    border: none;
    display: block;
}

.map-info {
    padding: 0.75rem 1rem;
    background: var(--bg-sidebar);
    border-top: 1px solid var(--border-color);
}

.map-info strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.map-info small {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: block;
    margin-top: 0.25rem;
}

.map-navigate-btn {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #4285f4, #34a853);
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.map-navigate-btn:hover {
    background: linear-gradient(135deg, #3367d6, #2e8b47);
    transform: scale(1.02);
}

.map-navigate-btn:active {
    transform: scale(0.98);
}

@media (max-width: 768px) {
    .map-embed {
        height: 150px;
    }
}