:root {
     --primary-bg: #0d1117;
     --secondary-bg: #161b22;
     --tertiary-bg: #21262d;
     --card-bg: #1c2128;
     --border-color: #30363d;
     --accent-color: #58a6ff;
     --accent-hover: #79c0ff;
     --success-color: #238636;
     --success-hover: #2ea043;
     --text-primary: #e6edf3;
     --text-secondary: #c9d1d9;
     --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
 }

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

 body {
     font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
     background-color: var(--primary-bg);
     color: var(--text-primary);
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     min-height: 100vh;
     padding: 1rem;
     line-height: 1.5;
     position: relative;
 }

 /* Main Container */
 .container {
     background: var(--secondary-bg);
     border: 1px solid var(--border-color);
     border-radius: 16px;
     box-shadow: var(--shadow);
     padding: 2rem;
     width: 100%;
     max-width: 450px;
     text-align: center;
     transition: opacity 0.3s ease, transform 0.3s ease;
 }

 h1 {
     font-size: 1.8rem;
     color: var(--accent-color);
     margin-bottom: 1rem;
     font-weight: 700;
 }

 .subtitle {
     color: var(--text-secondary);
     margin-bottom: 1.5rem;
     font-size: 0.95rem;
 }

 .input-group {
     margin-bottom: 1.5rem;
     text-align: left;
 }

 label {
     display: block;
     margin-bottom: 0.5rem;
     color: var(--text-secondary);
     font-weight: 500;
 }

 input[type="number"] {
     width: 100%;
     padding: 0.75rem;
     border-radius: 8px;
     border: 1px solid var(--border-color);
     background: var(--primary-bg);
     color: var(--text-primary);
     font-size: 1rem;
     transition: all 0.2s;
     text-align: center;
 }

 input[type="number"]:focus {
     border-color: var(--accent-color);
     outline: none;
     box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
 }

 .password-box {
     margin: 1.5rem 0;
     padding: 1rem;
     background: var(--tertiary-bg);
     border-radius: 8px;
     min-height: 60px;
     font-weight: 600;
     color: var(--accent-hover);
     word-wrap: break-word;
     display: flex;
     align-items: center;
     justify-content: center;
     font-family: 'Courier New', monospace;
     font-size: 1.1rem;
     border: 1px solid var(--border-color);
 }

 .strength-meter {
     height: 6px;
     background: var(--border-color);
     border-radius: 3px;
     margin-top: 0.5rem;
     overflow: hidden;
 }

 .strength-fill {
     height: 100%;
     width: 0%;
     border-radius: 3px;
     transition: width 0.3s, all 0.3s;
 }

 .options {
     display: flex;
     flex-wrap: wrap;
     gap: 0.5rem;
     margin-bottom: 1.5rem;
     justify-content: center;
 }

 .option-item {
     display: flex;
     align-items: center;
     gap: 0.5rem;
     font-size: 0.9rem;
 }

 .option-item input {
     width: 16px;
     height: 16px;
 }

 .btn-group {
     display: flex;
     flex-wrap: wrap;
     gap: 0.5rem;
     justify-content: center;
     margin-bottom: 1.5rem;
 }

 .btn {
     padding: 0.75rem 1.25rem;
     border: none;
     border-radius: 8px;
     font-size: 0.95rem;
     font-weight: 600;
     cursor: pointer;
     transition: all 0.2s;
     display: flex;
     align-items: center;
     justify-content: center;
     gap: 0.5rem;
     flex: 1;
     min-width: 120px;
 }

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

 .btn-primary:hover {
     background: var(--success-hover);
 }

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

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

 .btn-share {
     background: #8a63d2;
     color: white;
 }

 .btn-share:hover {
     background: #9b7bd6;
 }

 .btn-outline {
     background: transparent;
     color: var(--text-secondary);
     border: 1px solid var(--border-color);
 }

 .btn-outline:hover {
     background: var(--tertiary-bg);
     color: var(--text-primary);
 }

 .saved-passwords {
     text-align: left;
     margin-top: 1.5rem;
     background: var(--card-bg);
     padding: 1rem;
     border-radius: 8px;
     font-size: 0.9rem;
     color: var(--text-secondary);
     max-height: 200px;
     overflow-y: auto;
 }

 .saved-passwords h3 {
     margin-bottom: 0.75rem;
     color: var(--text-primary);
     font-size: 1rem;
 }

 .saved-passwords ul {
     list-style: none;
     padding: 0;
 }

 .saved-passwords li {
     padding: 0.5rem 0;
     border-bottom: 1px solid var(--border-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .saved-passwords li:last-child {
     border-bottom: none;
 }

 .password-item {
     font-family: 'Courier New', monospace;
     font-size: 0.85rem;
 }

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

 .password-actions button {
     background: none;
     border: none;
     color: var(--text-secondary);
     cursor: pointer;
     font-size: 0.8rem;
     transition: color 0.2s;
 }

 .password-actions button:hover {
     color: var(--accent-color);
 }

 /* Chatbot Info Banner */
 .chatbot-info {
     background: var(--tertiary-bg);
     border: 1px solid var(--border-color);
     border-radius: 8px;
     padding: 1rem;
     margin: 1.5rem 0;
     display: flex;
     align-items: center;
     gap: 1rem;
     text-align: left;
     animation: pulse 2s infinite;
 }

 .chatbot-info-icon {
     background: var(--accent-color);
     width: 40px;
     height: 40px;
     border-radius: 50%;
     display: flex;
     align-items: center;
     justify-content: center;
     flex-shrink: 0;
 }

 .chatbot-info-icon i {
     color: white;
     font-size: 1.2rem;
 }

 .chatbot-info-content {
     flex: 1;
 }

 .chatbot-info-content h4 {
     color: var(--accent-color);
     margin-bottom: 0.3rem;
     font-size: 0.95rem;
 }

 .chatbot-info-content p {
     color: var(--text-secondary);
     font-size: 0.85rem;
     margin-bottom: 0.5rem;
 }

 .chatbot-info-btn {
     background: transparent;
     border: 1px solid var(--accent-color);
     color: var(--accent-color);
     padding: 0.4rem 0.8rem;
     border-radius: 6px;
     font-size: 0.8rem;
     cursor: pointer;
     transition: all 0.2s;
 }

 .chatbot-info-btn:hover {
     background: var(--accent-color);
     color: white;
 }

 @keyframes pulse {
     0% {
         box-shadow: 0 0 0 0 rgba(88, 166, 255, 0.4);
     }

     70% {
         box-shadow: 0 0 0 10px rgba(88, 166, 255, 0);
     }

     100% {
         box-shadow: 0 0 0 0 rgba(88, 166, 255, 0);
     }
 }

 /* Chat Icon - Positioned Top Right */
 .chat-icon {
     position: fixed;
     top: 20px;
     right: 20px;
     width: 60px;
     height: 60px;
     background: var(--accent-color);
     border-radius: 50%;
     display: flex !important;
     align-items: center;
     justify-content: center;
     cursor: pointer;
     transition: all 0.3s;
     z-index: 1000;
     box-shadow: var(--shadow);
 }

 .chat-icon:hover {
     transform: scale(1.05);
     background: var(--accent-hover);
 }

 .chat-icon i {
     color: white;
     font-size: 1.5rem;
 }

 .chat-badge {
     position: absolute;
     top: -5px;
     right: -5px;
     background: #ff4d4f;
     color: white;
     border-radius: 50%;
     width: 20px;
     height: 20px;
     font-size: 0.7rem;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 /* Chat Popup - Desktop Version */
 .chat-popup {
     position: fixed;
     top: 50%;
     left: 50%;
     transform: translate(-50%, -50%);
     width: 50%;
     min-width: 500px;
     max-width: 700px;
     height: 70vh;
     min-height: 500px;
     max-height: 700px;
     background: var(--secondary-bg);
     border: 1px solid var(--border-color);
     border-radius: 12px;
     overflow: hidden;
     display: none;
     z-index: 999;
     box-shadow: var(--shadow);
 }

 .chat-header {
     padding: 1rem;
     background: var(--tertiary-bg);
     border-bottom: 1px solid var(--border-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
     position: relative;
     z-index: 1001;
 }

 .chat-header h3 {
     font-size: 1rem;
     color: var(--text-primary);
 }

 .close-chat {
     background: none;
     border: none;
     color: var(--text-secondary);
     cursor: pointer;
     font-size: 1.2rem;
     transition: color 0.2s;
     width: 32px;
     height: 32px;
     display: flex;
     align-items: center;
     justify-content: center;
     border-radius: 6px;
 }

 .close-chat:hover {
     color: var(--accent-color);
     background: rgba(255, 255, 255, 0.05);
 }

 .chat-popup iframe {
     width: 100%;
     height: calc(100% - 60px);
     border: none;
 }

 /* Mobile Chat Overlay - FIXED */
 @media (max-width: 768px) {
     .chat-popup {
         position: fixed;
         top: 0;
         left: 0;
         width: 100%;
         height: 100%;
         min-width: unset;
         max-width: unset;
         min-height: unset;
         max-height: unset;
         border-radius: 0;
         transform: none;
         padding: 2rem;
     }

     .chat-header {
         padding: 1rem;
     }

     /* Hide chat icon when chat is open on mobile */
     .show-chat .chat-icon {
         display: none !important;
     }

     .chatbot-info {
         flex-direction: column;
         text-align: center;
         gap: 0.8rem;
     }
 }

 /* Small mobile devices */
 @media (max-width: 480px) {
     .container {
         padding: 2.5rem;
     }

     h1 {
         font-size: 1.5rem;
     }

     .btn {
         min-width: 100%;
     }
 }

 /* Very small mobile devices */
 @media (max-width: 350px) {
     .container {
         padding: 1rem;
     }

     .btn-group {
         flex-direction: column;
     }
 }

 /* Toast Notification */
 .toast {
     position: fixed;
     bottom: 20px;
     left: 50%;
     transform: translateX(-50%);
     background: var(--success-color);
     color: white;
     padding: 0.75rem 1.5rem;
     border-radius: 8px;
     box-shadow: var(--shadow);
     z-index: 1100;
     opacity: 0;
     transition: opacity 0.3s;
 }

 .toast.show {
     opacity: 1;
 }

 /* States for showing/hiding content */
 .show-chat .container,
 .show-chat .chat-icon {
     display: none;
 }

 .show-chat .chat-popup {
     display: block;
 }

 .show-password .container,
 .show-password .chat-icon {
     display: block;
 }

 .show-password .chat-popup {
     display: none;
 }