/* ===================================
   WWP Chatbot - Design System
   World Wide Progress Morocco
   =================================== */

:root {
    /* Brand Colors */
    --wwp-primary: #0d6b6e;
    --wwp-primary-dark: #095456;
    --wwp-primary-light: #1a9a9e;
    --wwp-secondary: #f5a623;
    --wwp-accent: #e8f4f4;
    
    /* Neutral Colors */
    --wwp-white: #ffffff;
    --wwp-gray-50: #f9fafb;
    --wwp-gray-100: #f3f4f6;
    --wwp-gray-200: #e5e7eb;
    --wwp-gray-300: #d1d5db;
    --wwp-gray-400: #9ca3af;
    --wwp-gray-500: #6b7280;
    --wwp-gray-600: #4b5563;
    --wwp-gray-700: #374151;
    --wwp-gray-800: #1f2937;
    --wwp-gray-900: #111827;
    
    /* Semantic Colors */
    --wwp-success: #10b981;
    --wwp-warning: #f59e0b;
    --wwp-error: #ef4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-chat: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Z-index */
    --z-chat-widget: 9999;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--wwp-gray-800);
    background: linear-gradient(135deg, var(--wwp-primary) 0%, var(--wwp-primary-dark) 100%);
    min-height: 100vh;
}

/* ===================================
   Demo Page Styles
   =================================== */

.demo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-lg);
}

.demo-content {
    text-align: center;
    color: var(--wwp-white);
    max-width: 600px;
}

.demo-logo {
    width: 120px;
    height: auto;
    margin-bottom: var(--space-lg);
    filter: brightness(0) invert(1);
}

.demo-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.demo-tagline {
    font-size: 1.25rem;
    font-weight: 500;
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.demo-subtitle {
    font-size: 1rem;
    opacity: 0.7;
    margin-bottom: var(--space-xl);
}

.demo-features {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.875rem;
}

.feature-icon {
    font-size: 1.25rem;
}

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

.chat-widget {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: var(--z-chat-widget);
    font-family: var(--font-family);
}

/* ===================================
   Chat Toggle Button
   =================================== */

.chat-toggle {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--wwp-primary) 0%, var(--wwp-primary-dark) 100%);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.chat-toggle::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.chat-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-chat);
}

.chat-toggle:hover::before {
    opacity: 1;
}

.chat-toggle:active {
    transform: scale(0.98);
}

.chat-toggle svg {
    width: 28px;
    height: 28px;
    color: var(--wwp-white);
    transition: all var(--transition-normal);
}

.chat-toggle .chat-icon {
    position: absolute;
}

.chat-toggle .close-icon {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.8);
}

.chat-widget.open .chat-toggle .chat-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.8);
}

.chat-widget.open .chat-toggle .close-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--wwp-secondary);
    color: var(--wwp-white);
    font-size: 12px;
    font-weight: 600;
    min-width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--wwp-white);
    animation: pulse 2s infinite;
}

.notification-badge.hidden {
    display: none;
}

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

/* ===================================
   Chat Window
   =================================== */

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 600px;
    max-height: calc(100vh - 120px);
    background: var(--wwp-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-chat);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transform-origin: bottom right;
    transition: all var(--transition-normal);
}

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

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

.chat-header {
    background: linear-gradient(135deg, var(--wwp-primary) 0%, var(--wwp-primary-dark) 100%);
    color: var(--wwp-white);
    padding: var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.header-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar svg {
    width: 24px;
    height: 24px;
}

.header-text h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--wwp-success);
    border-radius: var(--radius-full);
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.language-select {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--wwp-white);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    outline: none;
    transition: background var(--transition-fast);
}

.language-select:hover {
    background: rgba(255, 255, 255, 0.25);
}

.language-select option {
    color: var(--wwp-gray-800);
    background: var(--wwp-white);
}

.minimize-btn {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--wwp-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.minimize-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.minimize-btn svg {
    width: 18px;
    height: 18px;
}

/* ===================================
   Chat Messages
   =================================== */

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    background: var(--wwp-gray-50);
}

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

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

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--wwp-gray-300);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--wwp-gray-400);
}

/* Message Styles */
.message {
    display: flex;
    gap: var(--space-sm);
    max-width: 85%;
    animation: messageSlide 0.3s ease;
}

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

.bot-message {
    align-self: flex-start;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--wwp-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--wwp-white);
}

.message-avatar svg {
    width: 18px;
    height: 18px;
}

.user-message .message-avatar {
    background: var(--wwp-gray-600);
}

.message-content {
    background: var(--wwp-white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.user-message .message-content {
    background: var(--wwp-primary);
    color: var(--wwp-white);
}

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

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

.message-content strong {
    color: var(--wwp-primary);
}

.user-message .message-content strong {
    color: var(--wwp-white);
}

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

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--wwp-gray-400);
    border-radius: var(--radius-full);
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

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

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: 0 var(--space-sm);
}

.quick-action-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--wwp-white);
    border: 1px solid var(--wwp-gray-200);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--wwp-gray-700);
    transition: all var(--transition-fast);
    text-align: left;
}

.quick-action-btn:hover {
    background: var(--wwp-accent);
    border-color: var(--wwp-primary);
    color: var(--wwp-primary);
    transform: translateX(4px);
}

.action-icon {
    font-size: 1.25rem;
}

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

.chat-input-container {
    padding: var(--space-md);
    background: var(--wwp-white);
    border-top: 1px solid var(--wwp-gray-200);
    flex-shrink: 0;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    background: var(--wwp-gray-100);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.input-wrapper:focus-within {
    background: var(--wwp-white);
    box-shadow: 0 0 0 2px var(--wwp-primary);
}

#chat-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: var(--space-sm);
    font-family: inherit;
    font-size: 0.875rem;
    resize: none;
    max-height: 120px;
    outline: none;
    color: var(--wwp-gray-800);
}

#chat-input::placeholder {
    color: var(--wwp-gray-400);
}

.send-button {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--wwp-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--wwp-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.send-button:hover {
    background: var(--wwp-primary-dark);
    transform: scale(1.05);
}

.send-button:active {
    transform: scale(0.95);
}

.send-button:disabled {
    background: var(--wwp-gray-300);
    cursor: not-allowed;
    transform: none;
}

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

.input-footer {
    display: flex;
    justify-content: center;
    margin-top: var(--space-sm);
}

.powered-by {
    font-size: 0.7rem;
    color: var(--wwp-gray-400);
}

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

@media (max-width: 480px) {
    .chat-widget {
        bottom: var(--space-sm);
        right: var(--space-sm);
    }
    
    .chat-window {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 76px;
        right: 0;
        border-radius: var(--radius-md);
    }
    
    .chat-toggle {
        width: 56px;
        height: 56px;
    }
    
    .demo-content h1 {
        font-size: 1.75rem;
    }
    
    .demo-features {
        flex-direction: column;
        align-items: center;
    }
}

/* ===================================
   Dark Mode Support
   =================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --wwp-gray-50: #1a1a1a;
        --wwp-gray-100: #2d2d2d;
        --wwp-gray-200: #404040;
        --wwp-gray-300: #525252;
        --wwp-gray-400: #737373;
        --wwp-gray-500: #a3a3a3;
        --wwp-gray-600: #d4d4d4;
        --wwp-gray-700: #e5e5e5;
        --wwp-gray-800: #f5f5f5;
        --wwp-gray-900: #fafafa;
    }
    
    .chat-window {
        background: #1a1a1a;
    }
    
    .message-content {
        background: #2d2d2d;
        color: #f5f5f5;
    }
    
    .user-message .message-content {
        background: var(--wwp-primary);
        color: var(--wwp-white);
    }
    
    .chat-input-container {
        background: #1a1a1a;
        border-top-color: #404040;
    }
    
    .input-wrapper {
        background: #2d2d2d;
    }
    
    .quick-action-btn {
        background: #2d2d2d;
        border-color: #404040;
        color: #e5e5e5;
    }
    
    .quick-action-btn:hover {
        background: var(--wwp-primary-dark);
        color: var(--wwp-white);
    }
}

/* ===================================
   RTL Support for Arabic
   =================================== */

[dir="rtl"] .chat-widget {
    right: auto;
    left: var(--space-lg);
}

[dir="rtl"] .chat-window {
    right: auto;
    left: 0;
    transform-origin: bottom left;
}

[dir="rtl"] .message {
    flex-direction: row-reverse;
}

[dir="rtl"] .user-message {
    flex-direction: row;
}

[dir="rtl"] .quick-action-btn:hover {
    transform: translateX(-4px);
}

[dir="rtl"] #chat-input {
    text-align: right;
}