/* ===================================
   🤖 GrantAI Chat Styles - В стиле основного сайта
   =================================== */

/* === CHAT СТРАНИЦА === */
.chat-page {
    background: var(--hero-gradient);
    min-height: 100vh;
    padding-top: 80px;
    color: var(--white);
}

/* === HERO СЕКЦИЯ ЧАТА === */
.chat-hero {
    padding: 60px 0 40px 0;
    text-align: center;
    position: relative;
}

.chat-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 209, 0, 0.1) 0%, transparent 50%);
    animation: patternMove 20s ease-in-out infinite;
}

.chat-hero-content {
    position: relative;
    z-index: 2;
}

.chat-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.1;
}

.highlight {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chat-subtitle {
    font-size: 1.25rem;
    margin-bottom: 24px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.chat-status {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-gradient);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 8px 16px;
    font-size: 14px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary-color);
}

.status-dot.active {
    animation: pulse 2s infinite;
}

/* === CHAT ИНТЕРФЕЙС === */
.chat-interface {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--glass-gradient);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
}

/* === ОКНО СООБЩЕНИЙ === */
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 600px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    scroll-behavior: smooth;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    transition: var(--transition);
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* === СТИЛИ СООБЩЕНИЙ === */
.message {
    display: flex;
    gap: 16px;
    margin-bottom: 0;
    animation: messageSlideIn 0.4s ease-out;
    max-width: 85%;
}

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

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.user-message .message-avatar {
    background: var(--secondary-gradient);
    color: var(--dark-gray);
    box-shadow: 0 4px 12px rgba(255, 209, 0, 0.3);
}

.ai-message .message-avatar {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 123, 196, 0.3);
    animation: aiPulse 2s infinite;
}

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

.message-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark-gray);
    border-radius: 20px;
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(10px);
    font-size: 1rem;
    line-height: 1.6;
}

.user-message .message-content {
    background: var(--secondary-gradient);
    color: var(--dark-gray);
    border-radius: 20px 20px 4px 20px;
}

.ai-message .message-content {
    background: rgba(255, 255, 255, 0.98);
    border-left: 4px solid var(--primary-color);
    border-radius: 20px 20px 20px 4px;
}

.message-content:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.message-sender {
    font-weight: 600;
    color: inherit;
}

.message-time {
    font-size: 0.75rem;
    opacity: 0.7;
}

.message-text {
    line-height: 1.6;
    word-wrap: break-word;
}

.message-text strong {
    font-weight: 600;
    color: var(--primary-color);
}

.message-text em {
    font-style: italic;
}

.message-text code {
    background: rgba(0, 123, 196, 0.1);
    color: var(--primary-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
}

.message-text ul {
    margin: 8px 0;
    padding-left: 0;
}

.message-text li {
    list-style: none;
    margin: 4px 0;
    padding-left: 20px;
    position: relative;
}

.message-text li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* === STREAMING КУРСОР === */
.streaming-cursor {
    color: var(--primary-color);
    animation: blink 1s infinite;
    font-weight: bold;
}

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

/* === БЫСТРЫЕ КОМАНДЫ === */
.quick-actions {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.quick-actions h4 {
    margin: 0 0 15px 0;
    color: var(--secondary-color);
    font-size: 1rem;
    font-weight: 600;
}

.quick-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.quick-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
}

.quick-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 209, 0, 0.3);
}

/* === ПРЕДЛОЖЕНИЯ === */
.message-suggestion {
    display: flex;
    justify-content: center;
    margin: 15px 0;
    animation: suggestionFadeIn 0.5s ease-out;
}

@keyframes suggestionFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.suggestion-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.suggestion-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* === ИНДИКАТОР ПЕЧАТИ === */
.typing-indicator {
    display: none;
    align-items: center;
    gap: 12px;
    margin: 10px 0;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    border-left: 3px solid var(--primary-color);
}

.typing-text {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary-color);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

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

/* === ФОРМА ВВОДА === */
.chat-input-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px;
    position: relative;
}

.chat-form {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    max-width: 1000px;
    margin: 0 auto;
}

.input-container {
    flex: 1;
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 4px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.message-input {
    width: 100%;
    min-height: 50px;
    max-height: 150px;
    padding: 12px 16px;
    border: none;
    border-radius: 14px;
    background: transparent;
    color: var(--dark-gray);
    font-size: 1rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    transition: var(--transition);
}

.send-button {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: none;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.send-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.send-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* === ДОПОЛНИТЕЛЬНЫЕ ДЕЙСТВИЯ === */
.chat-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
}

.action-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--white);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* === МОДАЛЬНОЕ ОКНО === */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-hover);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--light-gray);
    background: var(--primary-gradient);
    color: var(--white);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-header h2 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--white);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 30px;
    color: var(--dark-gray);
}

.modal-body h3 {
    color: var(--primary-color);
    margin: 20px 0 10px 0;
}

.modal-body ul {
    margin: 10px 0 20px 20px;
}

.modal-body li {
    margin: 5px 0;
    color: var(--gray);
}

.example-questions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 15px 0;
}

.example-item {
    background: var(--light-gray);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    font-style: italic;
    color: var(--primary-color);
}

.example-item:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* === АДАПТИВНОСТЬ === */
@media (max-width: 768px) {
    .chat-page {
        padding-top: 60px;
    }
    
    .chat-title {
        font-size: 2rem;
    }
    
    .chat-subtitle {
        font-size: 1rem;
    }
    
    .chat-interface {
        margin: 0 10px;
    }
    
    .chat-window {
        height: 400px;
    }
    
    .chat-messages {
        padding: 15px;
    }
    
    .message {
        gap: 8px;
        margin-bottom: 15px;
    }
    
    .message-avatar {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    
    .message-content {
        padding: 12px 16px;
        font-size: 0.9rem;
    }
    
    .user-message .message-content {
        max-width: 85%;
    }
    
    .quick-buttons {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .quick-btn {
        padding: 10px 14px;
        font-size: 0.8rem;
    }
    
    .chat-input-section {
        padding: 15px;
    }
    
    .message-input {
        font-size: 0.9rem;
        padding: 10px 14px 26px 14px;
    }
    
    .send-button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-header,
    .modal-body {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .chat-title {
        font-size: 1.5rem;
    }
    
    .message-content {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .quick-btn {
        padding: 8px 12px;
        font-size: 0.75rem;
    }
}

/* === АНИМАЦИИ === */
@keyframes patternMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(1deg); }
    66% { transform: translate(-20px, 20px) rotate(-1deg); }
}

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

/* === ОШИБКИ === */
.error-message .message-content {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border-left: 3px solid var(--danger-color);
    color: #7f1d1d;
}

.error-message .message-avatar {
    background: var(--danger-color);
}