/**
 * assets/css/ai_assistant.css
 * الهدف: تصميم واجهة المساعد الذكي المتقدمة
 * يحتوي على: تصميم المحادثة، الأنيميشن، التصميم المتجاوب
 */

/* متغيرات CSS للألوان والقيم */
:root {
    --assistant-primary: #2563eb;
    --assistant-secondary: #1e40af;
    --assistant-accent: #3b82f6;
    --assistant-success: #10b981;
    --assistant-warning: #f59e0b;
    --assistant-error: #ef4444;
    --assistant-bg: #f8fafc;
    --assistant-card: #ffffff;
    --assistant-border: #e2e8f0;
    --assistant-text: #1e293b;
    --assistant-text-light: #64748b;
    --assistant-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --assistant-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --assistant-radius: 12px;
    --assistant-radius-sm: 8px;
    --assistant-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* الحاوي الرئيسي للمساعد */
.ai-assistant-container {
    background: var(--assistant-bg);
    border-radius: var(--assistant-radius);
    box-shadow: var(--assistant-shadow-lg);
    overflow: hidden;
    height: 600px;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* رأس المساعد */
.assistant-header {
    background: linear-gradient(135deg, var(--assistant-primary), var(--assistant-secondary));
    color: white;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.assistant-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.assistant-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.assistant-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.assistant-info h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.assistant-status {
    font-size: 0.875rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--assistant-success);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

.assistant-controls {
    display: flex;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.control-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--assistant-transition);
    font-size: 0.875rem;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.control-btn.active {
    background: var(--assistant-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

/* منطقة المحادثة */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    scroll-behavior: smooth;
    background: var(--assistant-bg);
}

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

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

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

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

/* رسائل المحادثة */
.message {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.message-content {
    max-width: 80%;
    position: relative;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--assistant-primary), var(--assistant-accent));
    color: white;
    border-radius: var(--assistant-radius) var(--assistant-radius-sm) var(--assistant-radius-sm) var(--assistant-radius);
    padding: 0.875rem 1.125rem;
    box-shadow: var(--assistant-shadow);
}

.assistant-message .message-content {
    background: var(--assistant-card);
    color: var(--assistant-text);
    border-radius: var(--assistant-radius-sm) var(--assistant-radius) var(--assistant-radius) var(--assistant-radius-sm);
    padding: 0.875rem 1.125rem;
    box-shadow: var(--assistant-shadow);
    border: 1px solid var(--assistant-border);
}

.message-text {
    line-height: 1.5;
    word-wrap: break-word;
}

.message-time {
    font-size: 0.75rem;
    opacity: 0.7;
    margin-top: 0.5rem;
    text-align: right;
}

.user-message .message-time {
    text-align: left;
}

/* أزرار الإجراءات */
.message-actions {
    display: flex;
    gap: 0.25rem;
    margin-top: 0.5rem;
    opacity: 0;
    transition: var(--assistant-transition);
}

.message:hover .message-actions {
    opacity: 1;
}

.action-btn {
    background: var(--assistant-bg);
    border: 1px solid var(--assistant-border);
    color: var(--assistant-text-light);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--assistant-transition);
    font-size: 0.75rem;
}

.action-btn:hover {
    background: var(--assistant-primary);
    color: white;
    border-color: var(--assistant-primary);
    transform: scale(1.1);
}

/* مؤشر الكتابة */
.typing {
    opacity: 0.8;
}

.typing-animation {
    display: flex;
    gap: 4px;
    margin-bottom: 0.5rem;
}

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

.typing-animation span:nth-child(1) { animation-delay: -0.32s; }
.typing-animation span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.typing-text {
    font-size: 0.875rem;
    color: var(--assistant-text-light);
    font-style: italic;
}

/* مؤشر الاستماع */
.listening-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--assistant-success), #059669);
    color: white;
    border-radius: var(--assistant-radius);
    margin-bottom: 1rem;
    animation: slideIn 0.3s ease-out;
}

.listening-animation {
    display: flex;
    gap: 3px;
}

.wave {
    width: 4px;
    height: 20px;
    background: white;
    border-radius: 2px;
    animation: wave 1.2s infinite ease-in-out;
}

.wave:nth-child(1) { animation-delay: -1.1s; }
.wave:nth-child(2) { animation-delay: -1.0s; }
.wave:nth-child(3) { animation-delay: -0.9s; }

@keyframes wave {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

.listening-text {
    font-weight: 500;
}

/* الاقتراحات السريعة */
.quick-suggestions {
    margin-bottom: 1rem;
    animation: slideIn 0.3s ease-out;
}

.suggestions-title {
    font-size: 0.875rem;
    color: var(--assistant-text-light);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.suggestions-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.quick-suggestion {
    background: var(--assistant-card);
    border: 1px solid var(--assistant-border);
    color: var(--assistant-text);
    padding: 0.5rem 0.875rem;
    border-radius: 20px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--assistant-transition);
    white-space: nowrap;
}

.quick-suggestion:hover {
    background: var(--assistant-primary);
    color: white;
    border-color: var(--assistant-primary);
    transform: translateY(-2px);
    box-shadow: var(--assistant-shadow);
}

/* منطقة الإدخال */
.chat-input {
    background: var(--assistant-card);
    border-top: 1px solid var(--assistant-border);
    padding: 1rem 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
}

.input-group {
    flex: 1;
    position: relative;
}

.message-input {
    width: 100%;
    min-height: 44px;
    max-height: 120px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--assistant-border);
    border-radius: 22px;
    font-size: 0.875rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    transition: var(--assistant-transition);
    background: var(--assistant-bg);
}

.message-input:focus {
    border-color: var(--assistant-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.message-input::placeholder {
    color: var(--assistant-text-light);
}

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

.input-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--assistant-transition);
    font-size: 1rem;
}

.voice-btn {
    background: var(--assistant-success);
    color: white;
}

.voice-btn:hover {
    background: #059669;
    transform: scale(1.05);
}

.voice-btn.listening {
    background: var(--assistant-error);
    animation: pulse 1s infinite;
}

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

.send-btn:hover {
    background: var(--assistant-secondary);
    transform: scale(1.05);
}

.send-btn:disabled {
    background: var(--assistant-text-light);
    cursor: not-allowed;
    transform: none;
}

/* الإشعارات */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--assistant-card);
    border: 1px solid var(--assistant-border);
    border-radius: var(--assistant-radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--assistant-shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
    max-width: 300px;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.notification.success {
    border-color: var(--assistant-success);
    background: #f0fdf4;
}

.notification.error {
    border-color: var(--assistant-error);
    background: #fef2f2;
}

.notification.info {
    border-color: var(--assistant-primary);
    background: #eff6ff;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.notification.success .notification-content i {
    color: var(--assistant-success);
}

.notification.error .notification-content i {
    color: var(--assistant-error);
}

.notification.info .notification-content i {
    color: var(--assistant-primary);
}

.notification-close {
    background: none;
    border: none;
    color: var(--assistant-text-light);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: var(--assistant-transition);
}

.notification-close:hover {
    background: var(--assistant-border);
    color: var(--assistant-text);
}

/* التصميم المتجاوب */
@media (max-width: 768px) {
    .ai-assistant-container {
        height: 100vh;
        border-radius: 0;
        box-shadow: none;
    }
    
    .assistant-header {
        padding: 1rem;
    }
    
    .assistant-title h3 {
        font-size: 1rem;
    }
    
    .chat-messages {
        padding: 0.75rem;
    }
    
    .message-content {
        max-width: 90%;
    }
    
    .chat-input {
        padding: 0.75rem 1rem;
    }
    
    .suggestions-buttons {
        flex-direction: column;
    }
    
    .quick-suggestion {
        text-align: center;
    }
    
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .assistant-controls {
        gap: 0.25rem;
    }
    
    .control-btn {
        width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }
    
    .message-content {
        max-width: 95%;
    }
    
    .input-btn {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
    }
}

/* تحسينات إضافية */
.assistant-header .assistant-info {
    min-width: 0;
}

.assistant-info h3 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.message-text img {
    max-width: 100%;
    height: auto;
    border-radius: var(--assistant-radius-sm);
    margin: 0.5rem 0;
}

.message-text a {
    color: var(--assistant-primary);
    text-decoration: none;
}

.message-text a:hover {
    text-decoration: underline;
}

.user-message .message-text a {
    color: rgba(255, 255, 255, 0.9);
}

/* تأثيرات خاصة */
.assistant-avatar::before {
    content: '🤖';
    font-size: 1.25rem;
}

.typing .assistant-avatar::before {
    content: '💭';
    animation: bounce 1s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

/* وضع الليل */
@media (prefers-color-scheme: dark) {
    :root {
        --assistant-bg: #0f172a;
        --assistant-card: #1e293b;
        --assistant-border: #334155;
        --assistant-text: #f1f5f9;
        --assistant-text-light: #94a3b8;
    }
    
    .message-input {
        background: var(--assistant-bg);
        color: var(--assistant-text);
    }
    
    .message-input::placeholder {
        color: var(--assistant-text-light);
    }
    
    .notification {
        background: var(--assistant-card);
        color: var(--assistant-text);
    }
}