/* ====== خلفية الشات ====== */
.chat-area.first-message-background {
    position: relative;
    overflow: hidden;
}

.chat-area.first-message-background::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('bg2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.5; /* تحكم في الشفافية */
    pointer-events: none;
    z-index: 0;
}

.chat-area.first-message-background > * {
    position: relative;
    z-index: 1;
}

/* نخلي الأجزاء الداخلية شفافة */
.chat-header,
#chatBox,
.chat-input-container {
    background: transparent !important;
}

/* ====== خلفية القائمة الجانبية ====== */
.sidebar.first-message-background {
    position: relative;
    overflow: hidden;
}

.sidebar.first-message-background::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('bg2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.1; /* تحكم في الشفافية */
    pointer-events: none;
    z-index: 0;
}

.sidebar.first-message-background > * {
    position: relative;
    z-index: 1;
}

        
.text-model-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  color: var(--text-color, #333);
  cursor: pointer;
  user-select: none;
}

.text-model-dropdown {
  display: none;
  position: absolute;
  top: 120%;
  right: 0;
  background-color: var(--bg-color, #fff);
  border: 1px solid var(--border-color, #ccc);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 999;
  width: 240px;
  overflow: hidden;
}

.text-model-dropdown div {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.2s;
}

.text-model-dropdown div:hover {
  background-color: var(--sidebar-hover, #f0f0f0);
}

.text-model-dropdown.show {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

        :root {
            --primary: #1842ff;
            --primary-hover: #3a56d4;
            --secondary: #f204a9;
            --bg-color: #edf0ff;
            --chat-bg: #edf0ff;
            --text-color: #2d3748;
            --text-secondary: #4a5568;
            --border-color: #e2e8f0;
            --user-message-bg: #e3f2fd;
            --bot-message-bg: #edf0ff;
            --input-bg: #dfe6ff;
            --sidebar-bg: #ffffff;
            --sidebar-hover: #f1f5f9;
            --button-hover: #3a56d4;
            --success: #0b00ff;
            --error: #ef4444;
            --warning: #f59e0b;
            --info: #3b82f6;
            --notification-bg: #ffffff;
            --notification-border: #e2e8f0;
        }
        
        [data-theme="dark"] {
            --primary: #7771f4;
            --primary-hover: #4a6bff;
            --secondary: #e400bc;
            --bg-color: #212121;
            --chat-bg: #212121;
            --text-color: #ffffff;
            --text-secondary: #ffffff;
            --border-color: #303030;
            --user-message-bg: rgba(255, 255, 255, 0.07);
            --bot-message-bg: rgba(#171717);
            --input-bg: #303030;
            --sidebar-bg: #181818;
            --sidebar-text: #e2e8f0;
            --sidebar-hover: #1a1a1a;
            --button-hover: #4a6bff;
            --success: #105db9;
            --error: #ff0000;
            --warning: #0b6df5;
            --info: #3b82f6;
            --notification-bg: #1e1e1e;
            --notification-border: #2d3748;
        }
        
        body {
            font-family: 'Tajawal', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            transition: all 0.3s ease;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        
        .gradient-bg {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
        }
        
        .card {
            button {
  border: none;
}
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            overflow: hidden;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        
        .card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
        }
        
        .btn-primary {
            background-color: var(--primary);
            border: none;
            padding: 10px 20px;
            font-weight: 500;
            border-radius: 96px;
            transition: all 0.3s ease;
            color: #ffffff;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: none;
            box-shadow: none;
        }
        
        .form-control {
            border-radius: 133px;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            background-color: var(--sidebar-text);
            color: var(--text-color);
            transition: all 0.3s ease;
            font-size: 1rem;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(74, 107, 255, 0.25);
        }
        
        .logo {
            max-width: 200px;
            margin: 0 auto;
            display: block;
            transition: transform 0.3s ease;
        }
        
        .logo:hover {
            transform: scale(1.05);
        }
        
        .logo-icon {
            height: 40px;
            margin-right: 12px;
            transition: transform 0.3s ease;
        }
        
        .logo-icon:hover {
            transform: rotate(10deg);
        }
        
        .chat-container {
            display: flex;
            height: 100vh;
            gap: 0;
        }
        
        /* القائمة الجانبية - التصميم المحسن */
        .sidebar {
            width: 260px;
            background-color: var(--sidebar-bg);
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            border-right: 1px solid var(--border-color);
            overflow: hidden;
            position: relative;
            z-index: 100;
        }
        
        .sidebar-header {
            padding: 12px 15px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-color);
        }
        
        .workspace-selector {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-grow: 1;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background-color 0.2s;
        }
        
        .workspace-selector:hover {
            background-color: var(--sidebar-hover);
        }
        
        .workspace-info {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .workspace-icon {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }
        
        .workspace-name {
            font-weight: 500;
            color: var(--sidebar-text);
        }
        
        .sidebar-content {
            flex: 1;
            overflow-y: auto;
            padding: 15px;
            display: flex;
            flex-direction: column;
        }
        
        .user-profile {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            border-radius: 25px;
            margin-bottom: 19px;
            background-color: var(--sidebar-hover);
            transition: all 0.3s ease;
        }
        
        .user-profile:hover {
            transform: translateX(5px);
        }
        
        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            object-fit: cover;
            border: -12px solid var(--primary);
            transition: all 0.3s ease;
        }
        
        .user-avatar:hover {
            transform: scale(1.1);
        }
        
        .user-info {
            flex: 1;
        }
        
        .user-name {
            font-weight: 600;
            margin-bottom: 2px;
            font-size: 1rem;
            color: var(--sidebar-text);
        }
        
        .user-email {
            font-size: 0.8rem;
            opacity: 0.7;
            color: var(--sidebar-text);
        }
        
        /* تحسينات القائمة الجانبية للجوال */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.2rem;
            cursor: pointer;
            margin-right: 1px;
        }
        
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 900;
            display: none;
            backdrop-filter: blur(5px);
            transition: all 0.3s ease;
        }
        
        .overlay.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        @media (max-width: 992px) {
            .sidebar {
                position: fixed;
                top: 0;
                right: -260px;
                bottom: 0;
                z-index: 1000;
                width: 260px;
                transition: right 0.3s ease;
                border-radius: 0;
                box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
            }
            
            .sidebar.active {
                right: 0;
            }
            
            .mobile-menu-toggle {
                display: block;
            }
            
            .close-sidebar {
                position: absolute;
                top: 15px;
                left: 15px;
                background: none;
                border: none;
                color: var(--text-color);
                font-size: 1.4rem;
                cursor: pointer;
                z-index: 1001;
                transition: transform 0.2s ease;
            }
            
            .close-sidebar:hover {
                transform: rotate(90deg);
            }
        }
        
        .chat-area {
            flex: 1;
            display: flex;
            flex-direction: column;
            background-color: var(--bg-color);
            overflow: hidden;
            position: relative;
        }
        
        .chat-header {
            padding: 13px 7px;
            background-color: var(--bg-color);
            color: var(--text-color);
            display: flex;
            align-items: center;
            gap: 1px;
            border-bottom: -24px solid var(--border-color);
        }
        
        .chat-messages {
            flex: 1;
            overflow-y: auto;
            background-color: var(--chat-bg);
            padding: 20px;
            display: flex;
            flex-direction: column;
            scroll-behavior: smooth;
        }
        
        .chat-input-container {
            padding: 29px;
            background-color: var(--bg-color);
            border-top: -36px solid var(--border-color);
        }
        
        .message {
            max-width: 800px;
            margin-bottom: 17px;
            padding: 15px;
            border-radius: 12px;
            position: relative;
            animation: fadeIn 0.3s ease-out;
            line-height: 1.6;
            width: fit-content;
            box-shadow: 0 -100px -63px rgba(0, 0, 0, 0.05);
            transition: transform 0.2s ease;
        }
        
        .message:hover {
            transform: translateY(-2px);
        }
        
        .user-message {
            background-color: var(--user-message-bg);
            color: var(--text-color);
            margin-left: auto;
            margin-right: 75;
            border: -25px solid var(--border-color);
        }
        
        .bot-message {
            background-color: var(--bot-message-bg);
            color: var(--text-color);
            margin-right: auto;
            margin-left: 0;
            border: -15px solid var(--border-color);
            position: relative;
        }
        
        .message-time {
            font-size: 0.63rem;
            opacity: 5.9;
            margin-top: -14px;
            display: block;
            text-align: left;
            color: var(--text-secondary);
        }
        
        .conversation-item {
            padding: -8px;
            margin-bottom: 1px;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--sidebar-text);
            position: relative;
        }
        
        .conversation-item:hover {
            background-color: var(--sidebar-hover);
            transform: translateX(5px);
        }
        
        .conversation-item.active {
            background-color: rgba(74, 107, 255, 0.1);
            color: var(--primary);
        }
        
    .new-chat-btn {
    background-color: transparent; /* بدون خلفية */
    color: white; /* لون النص والأيقونة */
    border: none; /* بدون حدود */
    padding: 0.1px;
    margin-bottom: 11px;
    width: fit-content; /* على قد المحتوى */
    font-weight: 12;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.new-chat-btn:hover {
    background-color: transparent; /* يفضل بدون خلفية حتى عند المرور */
    transform: translateY(-2px);
    color: var(--primary); /* ممكن تغير لون النص عند المرور */
}

        
        .divider {
            text-align: center;
            margin: 20px 0;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        
        .divider::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 1px;
            background-color: var(--border-color);
            z-index: -1;
        }
        
        .divider span {
            background-color: var(--bg-color);
            padding: 0 12px;
        }
        
        .toggle-form-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            display: block;
            margin-top: 15px;
            text-align: center;
            transition: all 0.2s;
        }
        
        .toggle-form-link:hover {
            color: var(--primary-hover);
            text-decoration: underline;
            transform: translateX(-3px);
        }
        
        .typing-indicator {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        
        .typing-dot {
            width: 8px;
            height: 8px;
            background-color: var(--text-secondary);
            border-radius: 50%;
            animation: typingAnimation 1.4s infinite ease-in-out;
            opacity: 0.6;
        }
        
        .typing-dot:nth-child(1) {
            animation-delay: 0s;
        }
        
        .typing-dot:nth-child(2) {
            animation-delay: 0.2s;
        }
        
        .typing-dot:nth-child(3) {
            animation-delay: 0.4s;
        }
        
        @keyframes typingAnimation {
            0%,
            60%,
            100% {
                transform: translateY(0);
                opacity: 0.6;
            }
            30% {
                transform: translateY(-4px);
                opacity: 1;
            }
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .settings-btn {
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.3rem;
            cursor: pointer;
            margin-left: auto;
            transition: all 0.2s;
            opacity: 10.1;
        }
        
        .settings-btn:hover {
            opacity: 1;
            transform: rotate(30deg);
        }
        
        .settings-menu {
            position: absolute;
            right: 20px;
            top: 60px;
            background-color: var(--bg-color);
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            padding: 8px 0;
            z-index: 100;
            display: none;
            width: 220px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        
        .settings-menu.show {
            display: block;
            animation: fadeIn 0.2s ease;
        }
        
        .settings-item {
            padding: 10px 15px;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--text-color);
            display: flex;
            align-items: center;
            font-size: 0.95rem;
        }
        
        .settings-item:hover {
            background-color: var(--sidebar-hover);
            transform: translateX(-5px);
        }
        
        .settings-item i {
            margin-left: 10px;
            width: 20px;
            text-align: center;
            color: var(--primary);
        }
        
        .action-btn {
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.2rem;
            cursor: pointer;
            margin-left: 12px;
            transition: all 0.2s;
            opacity: 19.7;
        }
        
        .action-btn:hover {
            opacity: 1;
            transform: scale(1.2);
        }
        
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--bg-color);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            color: var(--text-color);
        }
        
        .loading-logo {
            width: 180px;
            height: 180px;
            animation: pulse 1.5s infinite ease-in-out, rotate 8s infinite linear;
            filter: drop-shadow(0 0 10px rgba(31, 69, 236, 0.5));
        }
        
        .powered-by-loading {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: var(--text-color);
            font-size: 1rem;
            opacity: 0.8;
        }
        
        .powered-by-loading img {
            width: 50px;
        }
        
        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.9;
            }
        }
        
        @keyframes rotate {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
        
        /* New Notification Style */
        .notification-container {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            pointer-events: none;
        }
        
        .notification {
            background-color: var(--notification-bg);
            color: var(--text-color);
            padding: 12px 20px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--notification-border);
            border-left: 4px solid;
            display: flex;
            align-items: center;
            gap: 12px;
            max-width: 90%;
            width: 350px;
            animation: slideDown 0.3s ease-out;
            transition: all 0.3s ease;
        }
        
        .notification.success {
            border-left-color: var(--success);
        }
        
        .notification.error {
            border-left-color: var(--error);
        }
        
        .notification.warning {
            border-left-color: var(--warning);
        }
        
        .notification.info {
            border-left-color: var(--info);
        }
        
        .notification-icon {
            font-size: 1.2rem;
        }
        
        .notification.success .notification-icon {
            color: var(--success);
        }
        
        .notification.error .notification-icon {
            color: var(--error);
        }
        
        .notification.warning .notification-icon {
            color: var(--warning);
        }
        
        .notification.info .notification-icon {
            color: var(--info);
        }
        
        .notification-content {
            flex: 1;
        }
        
        .notification-title {
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 0.95rem;
        }
        
        .notification-message {
            font-size: 0.85rem;
            opacity: 0.9;
        }
        
        .notification-close {
            background: none;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.2s;
            opacity: 0.7;
        }
        
        .notification-close:hover {
            opacity: 1;
        }
        
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-20px) translateX(-50%);
            }
            to {
                opacity: 1;
                transform: translateY(0) translateX(-50%);
            }
        }
        
        @keyframes fadeOut {
            to {
                opacity: 0;
            }
        }
        
        .welcome-title {
            font-size: 2.2rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 15px;
            text-align: center;
            background: linear-gradient(135deg, var(--text-secondary), var(--primary));
            background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: all 0.3s ease;
        }
        
        .welcome-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 30px;
            transition: all 0.3s ease;
        }
        
        .feature-card {
            padding: 20px;
            border-radius: 10px;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            margin-bottom: 20px;
            transition: all 0.2s;
            height: 100%;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        
        .feature-card:hover .feature-icon {
            transform: scale(1.1);
        }
        
        .feature-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-color);
        }
        
        .feature-description {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        
        .conversation-title {
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: -2px;
            display: flex;
            align-items: center;
            gap: 11px;
            padding-bottom: 4px;
            border-bottom: 0.1px solid var(--border-color);
            color: var(--sidebar-text);
        }
        
        .app-footer {
            text-align: center;
            padding: 20px 0;
            margin-top: 30px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            border-top: -7px solid var(--border-color);
        }
        
        .input-group {
            display: flex;
            align-items: center;
            background-color: var(--input-bg);
            border-radius:10px;
            border: 1px solid var(--border-color);
            padding: 5px;
            transition: all 0.3s ease;
        }
        
        .input-group:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 0.2rem rgba(74, 107, 255, 0.25);
        }
        
        .input-group input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 12px;
        }
        
        .input-group input:focus {
            box-shadow: none;
        }
        
        .input-group button {
            border-radius: 8px;
            padding: 10px 15px;
        }
        
        .powered-by {
            text-align: center;
            margin-top: auto;
            padding: 15px 0;
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 5px;
        }
        
        .powered-by-logo {
            width: 80px;
            opacity: 0.8;
        }
        
        .chat-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
        }
        
        .chat-title {
            display: flex;
            align-items: center;
            flex-grow: 1;
        }
        
        .bot-icon {
            width: 24px;
            height: 24px;
            margin-left: 8px;
        }
        
        .chat-input-bar {
            background-color: var(--input-bg);
            border-radius: 100px;
            padding: 9px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            color: var(--text-secondary);
            font-family: 'Tajawal', sans-serif;
            border: -73px solid var(--border-color);
        }
        
        .chat-input-bar label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        
        .chat-input-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        
        .chat-input-field {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-color);
            padding: 1px;
            font-size: 1rem;
            font-family: 'Tajawal', sans-serif;
        }
        
        .chat-input-field:focus {
            outline: none;
        }
        
        .chat-input-buttons {
            display: flex;
            align-items: center;
            gap: 11px;
            margin-left: 1px;
        }
        
        .icon-btn {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 17px;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        
        .icon-btn:hover {
            color: var(--primary);
        }
        
        .send-btn {
            background-color: var(--primary);
            border: none;
            color: white;
            border-radius: 55%;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .send-btn:hover {
            background-color: var(--primary-hover);
        }
        
        .new-chat-btn-small {
            background: none;
            border: none;
            color: var(--primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 16px;
            height: 40px;
            border-radius: 50%;
        }
        
        .new-chat-btn-small:hover {
            background-color: rgba(74, 107, 255, 0.1);
            transform: rotate(90deg);
        }
        
        .welcome-message-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            text-align: center;
            padding: 20px;
        }
        
        .welcome-bot-icon {
            width: 100px;
            height: 100px;
            margin-bottom: 20px;
            animation: bounce 2s infinite;
        }
        
        .welcome-text {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .welcome-subtext {
            font-size: 1rem;
            color: var(--text-secondary);
        }
        
        @keyframes bounce {
            0%,
            20%,
            50%,
            80%,
            100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-20px);
            }
            60% {
                transform: translateY(-10px);
            }
        }
        
        .delete-confirmation {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: var(--bg-color);
            border-radius: 12px;
            padding: 20px;
            z-index: 2000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            display: none;
            max-width: 90%;
            width: 300px;
            text-align: center;
        }
        
        .delete-confirmation-buttons {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            justify-content: center;
        }
        
        .delete-confirmation-btn {
            padding: 8px 16px;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            font-weight: 500;
        }
        
        .delete-confirmation-btn.confirm {
            background-color: var(--error);
            color: white;
        }
        
        .delete-confirmation-btn.cancel {
            background-color: var(--sidebar-hover);
            color: var(--text-color);
        }
        
        .pricing-container {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: var(--bg-color);
            border-radius: 16px;
            padding: 30px;
            z-index: 2000;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            display: none;
            max-width: 90%;
            width: 800px;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        .pricing-container.show {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        .pricing-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .pricing-title {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .pricing-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
        }
        
        .pricing-plans {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .pricing-plan {
            flex: 1;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        
        .pricing-plan.free {
            border-top: 4px solid var(--info);
        }
        
        .pricing-plan.pro {
            border-top: 4px solid var(--success);
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .pricing-plan-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .pricing-plan-price {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .pricing-plan-price.pro {
            color: var(--success);
        }
        
        .pricing-plan-features {
            margin-bottom: 25px;
        }
        
        .pricing-plan-feature {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        
        .pricing-plan-feature i {
            margin-left: 10px;
            color: var(--success);
        }
        
        .pricing-plan-feature.disabled i {
            color: var(--text-secondary);
        }
        
        .pricing-plan-feature.disabled span {
            text-decoration: line-through;
            opacity: 0.6;
        }
        
        .pricing-plan-button {
            display: block;
            width: 100%;
            padding: 12px;
            text-align: center;
            border-radius: 8px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .pricing-plan-button.free {
            background-color: var(--sidebar-hover);
            color: var(--text-color);
        }
        
        .pricing-plan-button.pro {
            background: linear-gradient(135deg, var(--success), #10c971);
            color: white;
        }
        
        .pricing-plan-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        
        .copy-btn {
            position: absolute;
            top: -25px;
            left: 12px;
            background: rgba(255, 255, 255, 0);
            border: none;
            border-radius: 14px;
            padding: 2px;
            color: var(--text-secondary);
            cursor: pointer;
            opacity: 19;
            transition: opacity 0.3s;
        }
        
        .bot-message:hover .copy-btn {
            opacity: 14;
        }
        
        .copy-btn:hover {
            background: rgba(255, 255, 255, 0);
            color: var(--primary);
        }
        
        /* File upload button */
        .file-upload-btn {
            background: none;
            border: none;
            color: var(--primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            position: relative;
        }
        
        .file-upload-btn:hover {
            background-color: rgba(74, 107, 255, 0.1);
            transform: scale(1.1);
        }
        
        .file-upload-btn input {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
        }
        
        /* File analysis modal */
        .file-analysis-modal {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: var(--bg-color);
            border-radius: 35px;
            padding: 22px;
            z-index: 2000;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            display: none;
            max-width: 90%;
            width: 500px;
            max-height: 80vh;
            overflow-y: auto;
        }
        
        .file-analysis-modal.show {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        .file-analysis-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
        }
        
        .file-analysis-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
        }
        
        .file-analysis-close {
            background: none;
            border: none;
            color: var(--text-secondary);
            font-size: 1.5rem;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .file-analysis-close:hover {
            color: var(--error);
            transform: rotate(90deg);
        }
        
        .file-analysis-content {
            margin-bottom: 20px;
        }
        
        .file-analysis-result {
            background-color: var(--input-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 15px;
            margin-top: 15px;
            max-height: 300px;
            overflow-y: auto;
        }
        
        .file-analysis-footer {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            margin-top: 20px;
        }
        
        .file-analysis-pro-btn {
            background: linear-gradient(135deg, var(--success), #0100ff);
            color: white;
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .file-analysis-pro-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .file-analysis-close-btn {
            background-color: var(--sidebar-hover);
            color: var(--text-color);
            border: none;
            border-radius: 8px;
            padding: 10px 20px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .file-analysis-close-btn:hover {
            background-color: var(--border-color);
        }
        
        .file-analysis-count {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 10px;
            text-align: center;
        }
        
        /* File upload preview */
        .file-upload-preview {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 15px;
            padding: 20px;
            border-radius: 12px;
            background-color: var(--input-bg);
            border: 1px dashed var(--border-color);
            margin-bottom: 15px;
            animation: fadeIn 0.5s ease;
        }
        
        .file-upload-icon {
            font-size: 3rem;
            color: var(--primary);
            animation: pulse 1.5s infinite;
        }
        
        .file-upload-name {
            font-weight: 500;
            color: var(--text-color);
            text-align: center;
            word-break: break-all;
        }
        
        .file-upload-status {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-secondary);
        }
        
        .file-upload-status i {
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        /* New AI Tools Section */
        .ai-tools-container {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
        }
        
        .ai-tool-btn {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 15px;
            border-radius: 10px;
            background-color: var(--input-bg);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .ai-tool-btn:hover {
            background-color: var(--sidebar-hover);
            transform: translateY(-3px);
        }
        
        .ai-tool-icon {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .ai-tool-title {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-color);
            text-align: center;
        }
        
        /* Dark mode specific styles */
        [data-theme="dark"] .feature-card:hover {
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
        }
        
        [data-theme="dark"] .input-group {
            border-color: var(--border-color);
        }
        
        [data-theme="dark"] .notification {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        
        .reg-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            border-radius: 8px;
            padding: 12px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .reg-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .reg-btn:active {
            transform: translateY(0);
        }
        
        .btn-outline-primary {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }
        
        .btn-outline-primary:hover {
            background-color: var(--primary);
            color: white;
        }
        
        .tooltip {
            position: relative;
            display: inline-block;
        }
        
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 120px;
            background-color: var(--bg-color);
            color: var(--text-color);
            text-align: center;
            border-radius: 6px;
            padding: 5px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -60px;
            opacity: 0;
            transition: opacity 0.3s;
            border: 1px solid var(--border-color);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            font-size: 0.8rem;
        }
        
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
            margin-left: 10px;
        }
        
        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }
        
        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }
        
        .slider:before {
            position: absolute;
            content: "";
            height: 16px;
            width: 16px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        
        input:checked+.slider {
            background-color: var(--primary);
        }
        
        input:checked+.slider:before {
            transform: translateX(26px);
        }
        
        /* Custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: var(--sidebar-hover);
            border-radius: 10px;
        }
        
        ::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-hover);
        }
        
        /* Animation for new messages */
        @keyframes highlight {
            0% {
                background-color: rgba(74, 107, 255, 0.3);
            }
            100% {
                background-color: transparent;
            }
        }
        
        .highlight {
            animation: highlight 1.5s ease-out;
        }
        
        /* Auth form updates */
        .auth-form {
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
            background-color: var(--bg-color);
            border-radius: 53px;
            box-shadow: 1px 1px rgba(0, 0, 0, 0.05);
            border: -5px solid var(--border-color);
        }
        
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }
        
        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 576px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        
        /* Update dialog */
        .update-dialog {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            
            justify-content: center;
            align-items: center;
            z-index: 3000;
            display: none;
        }
        
        .update-content {
            background-color: var(--bg-color);
            border-radius: 16px;
            width: 90%;
            max-width: 600px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        .update-header {
            padding: 20px;
            border-bottom: -17px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .update-title {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-color);
            margin: 0;
        }
        
        .update-close {
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.5rem;
            cursor: pointer;
            transition: transform 0.3s;
        }
        
        .update-close:hover {
            transform: rotate(90deg);
            color: var(--error);
        }
        
        .update-body {
            padding: 20px;
        }
        
        .update-subtitle {
            color: var(--text-secondary);
            margin-bottom: 47px;
        }
        
        .update-list {
            padding-right: 20px;
            margin-bottom: 45px;
        }
        
        .update-list li {
            margin-bottom: 15px;
            padding-right: 10px;
            position: relative;
            line-height: 1.6;
        }
        
        .update-list li:before {
            content: "✓";
            position: absolute;
            right: -21px;
            top: 0;
            color: var(--success);
            font-weight: bold;
        }
        
        .update-footer {
            padding: 20px;
            text-align: center;
            border-top: -26px solid var(--border-color);
        }
        
        @keyframes popIn {
            from {
                transform: scale(0.8);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        @media (max-width: 992px) {
            .message {
                max-width: 90%;
            }
            .chat-header {
                padding: 12px;
            }
            .chat-actions {
                margin-left: 0;
            }
            .welcome-title {
                font-size: 1.8rem;
            }
            .welcome-subtitle {
                font-size: 1rem;
            }
            .pricing-plans {
                flex-direction: column;
            }
            .pricing-plan.pro {
                transform: none;
            }
            .file-analysis-modal {
                width: 90%;
            }
            .ai-tools-container {
                flex-direction: column;
            }
        }
        
        @media (max-width: 576px) {
            .chat-header {
                padding: 9px;
            }
            .chat-messages {
                padding: 1px;
            }
            .message {
                max-width: 97%;
                padding: 7px;
            }
            .notification {
                max-width: 95%;
                width: 95%;
            }
            .logo {
                max-width: 160px;
            }
            .feature-card {
                padding: 15px;
            }
            .feature-icon {
                font-size: 1.8rem;
            }
            .chat-actions {
                gap: 5px;
            }
            .action-btn {
                margin-left: 9px;
                font-size: 1.1rem;
            }
            .input-group button {
                padding: 8px 12px;
            }
            .chat-input-bar {
                padding: 10px;
            }
            .chat-input-field {
                padding: 4px 1px;
                font-size: 0.83rem;
            }
            .loading-logo {
                width: 140px;
                height: 140px;
            }
        }

/* ===== LEO Chat search (simple box under the button) ===== */
.chat-search-container { width: 100%; padding: 6px 8px; box-sizing: border-box; }

.chat-search-box {
  margin-top: 5px;
  
  border: -17px solid var(--border-color);
  border-radius: 12px;
  padding: 9px;
  box-shadow: 0 -30px -36px rgba(0,0,0,0.06);
}

/* hidden attribute support */
.chat-search-box[hidden] { display: none; }

.chat-search-box input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--input-bg);
  color: var(--text-color);
  font-size: 14px;
  text-align: right; /* مناسب للـ RTL */
  box-sizing: border-box;
}

.search-results {
  margin-top: 8px;
  max-height: 240px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-right: 4px;
}

.search-result-item {
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
  text-align: right;
  white-space: normal;
  word-break: break-word;
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.search-result-item:hover,
.search-result-item:focus {
  background-color: var(--sidebar-hover);
  border-color: var(--border-color);
  outline: none;
}

.search-no-results {
  padding: 8px;
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.95rem;
}