/* AKD Chat Page Styles - Modern Design */
:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099cc;
    --primary-light: #33ddff;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --white: #ffffff;
    --dark-bg: #0a0b0e;
    --surface-bg: #1a1b1e;
    --surface-light: #2a2b2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b7c3;
    --text-muted: #6b7280;
    --border-color: #2a2b2e;
    --border-light: #3a3b3e;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    --border-radius: 20px;
    --border-radius-sm: 12px;
    --border-radius-lg: 28px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    direction: rtl;
    line-height: 1.6;
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation - Minimal Header */
.navbar {
    background: var(--surface-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.025em;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-back {
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
}

.btn-back:hover {
    background: var(--gray-200);
    transform: translateY(-1px);
}

/* Remove sidebar styles and update app container */
.app-container {
    display: block;
    height: 100vh;
}

.sidebar {
    display: none;
}

/* Chat Container - Centered Design */
.chat-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    background: var(--dark-bg);
    padding: 100px 2rem 2rem;
    min-height: 100vh;
}

/* Chat Header - Enhanced styling */
.chat-header {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 3rem 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
    position: relative;
}

.ai-info {
    flex: none;
}

.ai-name {
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 50%, #33ddff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.ai-description {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 500;
}

.ai-status,
.ai-avatar {
    display: none;
}

.chat-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* Chat Messages - Clean centered design */
.chat-messages {
    flex: 1;
    background: transparent;
    border: none;
    padding: 2rem 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    min-height: 400px;
    max-height: none;
}

/* Welcome Message - Enhanced card design */
.welcome-message {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.message-content {
    background: linear-gradient(145deg, var(--surface-bg), var(--surface-light));
    padding: 2.5rem;
    border-radius: var(--border-radius);
    max-width: 700px;
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.message-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.message-content h3 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.message-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.capabilities-list {
    list-style: none;
    margin: 2rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    text-align: right;
}

.capabilities-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
}

.capabilities-list li:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: rgba(0, 212, 255, 0.2);
    transform: translateY(-2px);
}

.capabilities-list i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* Chat Input - Enhanced modern design */
.chat-input-container {
    background: transparent;
    border-top: none;
    padding: 2rem 0 1rem;
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
    background: var(--surface-bg);
    border: 2px solid var(--border-color);
    border-radius: 28px;
    padding: 1.25rem 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
}

.chat-input-wrapper::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(135deg, transparent, rgba(0, 212, 255, 0.3), transparent);
    border-radius: 28px;
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15), var(--shadow-lg);
}

.chat-input-wrapper:focus-within::before {
    opacity: 1;
}

#messageInput {
    width: 100%;
    min-height: 28px;
    max-height: 140px;
    padding: 0.75rem 0;
    border: none;
    background: transparent;
    font-family: 'Cairo', sans-serif;
    font-size: 1.05rem;
    resize: none;
    outline: none;
    color: var(--text-primary);
    line-height: 1.6;
}

#messageInput::placeholder {
    color: var(--text-muted);
    opacity: 0.8;
}

.send-btn {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.send-btn:disabled {
    background: var(--surface-light);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
}

.send-btn:not(:disabled):hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

/* Quick Actions - Enhanced design */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    justify-items: center;
}

.quick-action-btn {
    padding: 1rem 1.5rem;
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    font-family: 'Cairo', sans-serif;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    white-space: nowrap;
    width: 100%;
    max-width: 300px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.quick-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.quick-action-btn:hover::before {
    left: 100%;
}

.quick-action-btn:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

.quick-action-btn i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.quick-action-btn:hover i {
    transform: scale(1.1);
}

/* Control buttons - Enhanced */
.chat-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}

.control-btn {
    width: 44px;
    height: 44px;
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* Modals - Clean Design */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.modal-header h3 {
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.close-modal {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Settings */
.setting-group {
    margin-bottom: 1.5rem;
}

.setting-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.setting-group select,
.setting-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: 'Cairo', sans-serif;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    background: var(--white);
}

.setting-group select:focus,
.setting-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: 'Cairo', sans-serif;
    font-weight: 500;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

/* Error Modal */
.error-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
}

.error-modal.show {
    display: flex;
}

.error-content {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    max-width: 400px;
    width: 90%;
    animation: modalSlideIn 0.3s ease;
}

.error-content i {
    font-size: 3rem;
    color: var(--error-color);
    margin-bottom: 1rem;
}

.error-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.error-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    z-index: 4000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    text-align: center;
    color: var(--text-primary);
}

.spinner-circle {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--light-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* User Authentication Elements */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
}

.auth-btn {
    padding: 0.5rem 1rem;
    background: var(--light-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.auth-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.user-menu {
    position: relative;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background: rgba(59, 130, 246, 0.1);
    transition: var(--transition);
}

.user-info:hover {
    background: rgba(59, 130, 246, 0.2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--light-blue), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
}

.user-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: var(--gray-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .chat-container {
        padding: 80px 1rem 1rem;
    }
    
    .chat-header {
        padding: 1rem;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .ai-avatar {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .ai-name {
        font-size: var(--font-size-lg);
    }
    
    .chat-controls {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .chat-messages {
        padding: 1rem;
        min-height: 400px;
        max-height: 500px;
    }
    
    .message-bubble {
        max-width: 85%;
        font-size: var(--font-size-sm);
    }
    
    .chat-input-wrapper {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .input-container {
        order: 1;
    }
    
    .attachment-btn,
    .send-btn {
        order: 2;
        align-self: flex-end;
        width: 40px;
        height: 40px;
    }
    
    .quick-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .quick-action-btn {
        justify-content: center;
        text-align: center;
        padding: 0.75rem 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .chat-container {
        padding: 70px 0.5rem 0.5rem;
    }
    
    .ai-name {
        font-size: 2.5rem;
    }
    
    .message-content {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }
    
    .message-content h3 {
        font-size: 1.5rem;
    }
    
    .chat-input-wrapper {
        margin: 0 0.25rem 1rem;
    }
    
    .capabilities-list li {
        padding: 0.75rem 1rem;
        text-align: center;
    }
}
.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-size: 0.9rem;
}

.dropdown-item:hover {
    background: var(--gray-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .chat-container {
        padding: 80px 1rem 1rem;
    }
    
    .chat-header {
        padding: 1rem;
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .ai-avatar {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .ai-name {
        font-size: var(--font-size-lg);
    }
    
    .chat-controls {
        order: 3;
        width: 100%;
        justify-content: center;
    }
    
    .chat-messages {
        padding: 1rem;
        min-height: 400px;
        max-height: 500px;
    }
    
    .message-bubble {
        max-width: 85%;
        font-size: var(--font-size-sm);
    }
    
    .chat-input-wrapper {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .input-container {
        order: 1;
    }
    
    .attachment-btn,
    .send-btn {
        order: 2;
        align-self: flex-end;
        width: 40px;
        height: 40px;
    }
    
    .quick-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .quick-action-btn {
        justify-content: center;
        text-align: center;
        padding: 0.75rem 1rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
    }
    
    .modal-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .chat-container {
        padding: 70px 0.5rem 0.5rem;
    }
    
    .chat-messages {
        padding: 0.75rem;
        min-height: 350px;
        max-height: 450px;
    }
    
    .message {
        gap: 0.5rem;
    }
    
    .ai-avatar-small,
    .user-avatar {
        width: 28px;
        height: 28px;
        font-size: var(--font-size-xs);
    }
    
    .message-bubble {
        max-width: 90%;
        padding: 0.75rem 1rem;
        font-size: var(--font-size-xs);
    }
    
    .quick-action-btn {
        font-size: var(--font-size-xs);
        padding: 0.5rem 0.75rem;
    }
}