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

        :root {
            --brand-primary: #004d40;
            --brand-teal: #0d9488;
            --brand-light-teal: #14b8a6;
            --bg-deep: #002d26;
            --bank-blue: #004d61;
        }

        body {
            font-family: 'Hind Siliguri', sans-serif;
            -webkit-tap-highlight-color: transparent;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
            min-height: 100vh;
        }

        /* App Styles */
        .app-body {
            font-family: 'Hind Siliguri', sans-serif;
            -webkit-tap-highlight-color: transparent;
            background-color: var(--bg-deep);
            color: #f0fdfa;
        }

        .nav-item-active .icon-circle {
            background: linear-gradient(135deg, #14b8a6, #0d9488);
            color: white;
            transform: translateY(-1.75rem);
            border: 5px solid var(--bg-deep);
            box-shadow: 0 12px 20px rgba(13, 148, 136, 0.5);
        }

        .nav-item-active .label {
            color: var(--brand-light-teal);
            opacity: 1;
            transform: translateY(-4px);
            font-weight: 800;
        }

        .icon-circle {
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .label {
            transition: all 0.3s ease;
            font-size: 11px;
        }

        .pro-card {
            background: #005d52;
            border-radius: 1.5rem;
            border: 1px solid rgba(20, 184, 166, 0.3);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
        }

        .grad-primary { 
            background: linear-gradient(135deg, #004d40 0%, #002d26 100%); 
        }

        .grad-teal-card { 
            background: linear-gradient(135deg, #0d9488 0%, #00695c 100%); 
        }

        .hide-scrollbar::-webkit-scrollbar { 
            display: none; 
        }

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

        .animate-pro-slide { 
            animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; 
        }

        .dot { 
            height: 6px; 
            width: 6px; 
            background-color: rgba(255,255,255,0.2); 
            border-radius: 50%; 
            display: inline-block; 
            transition: 0.3s; 
        }

        .dot.active { 
            width: 18px; 
            background-color: #2dd4bf; 
            border-radius: 3px; 
        }

        .step-circle {
            width: 2.5rem;
            height: 2.5rem;
            background: #115e59;
            border-radius: 9999px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #99f6e4;
            font-weight: 800;
            font-size: 1rem;
            border: 2px solid #14b8a6;
            z-index: 10;
            position: relative;
            transition: all 0.3s ease;
        }

        .step-circle.active-step {
            background: #14b8a6;
            color: #042f2e;
            transform: scale(1.1);
            box-shadow: 0 0 20px #14b8a6;
        }

        .pro-input {
            background: #134e4a;
            border: 1px solid #2dd4bf;
            border-radius: 1rem;
            padding: 0.75rem 1rem;
            color: #f0fdfa;
            font-size: 0.875rem;
            width: 100%;
            outline: none;
            transition: all 0.3s;
        }

        .pro-input:focus {
            border-color: #2dd4bf;
            box-shadow: 0 0 10px rgba(45, 212, 191, 0.5);
            background: #115e59;
        }

        .pro-input::placeholder {
            color: #5eead4;
            opacity: 0.5;
            font-weight: 400;
        }

        .upload-box {
            background: #134e4a;
            border: 2px dashed #2dd4bf;
            border-radius: 1rem;
            padding: 1.5rem 0.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #2dd4bf;
            font-size: 0.75rem;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
        }

        .upload-box:hover {
            background: #115e59;
            border-color: #5ee4d8;
        }

        /* Auth Styles */
        .input-group {
            position: relative;
            transition: all 0.3s ease;
        }
        
        .input-group label {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            padding: 0 4px;
            font-size: 14px;
            color: #6b7280;
            transition: all 0.2s ease;
            pointer-events: none;
            border-radius: 4px;
        }
        
        .input-group input:focus + label,
        .input-group input:not(:placeholder-shown) + label {
            top: 0;
            font-size: 11px;
            color: #004d61;
            font-weight: 600;
        }
        
        .input-group input:focus {
            border-color: #004d61;
            outline: none;
        }
        
        .input-focus:focus-within {
            border-color: #004d61 !important;
            box-shadow: 0 0 0 2px rgba(0, 77, 97, 0.1);
        }
        
        .country-dropdown {
            transition: all 0.2s ease;
        }
        
        .country-dropdown.show {
            display: block;
            animation: fadeIn 0.2s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .custom-scrollbar::-webkit-scrollbar {
            width: 4px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #f1f1f1;
            border-radius: 4px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #004d61;
            border-radius: 4px;
        }
        
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #003d4d;
        }
        
        .country-item {
            padding: 8px 12px;
            cursor: pointer;
            transition: background 0.2s ease;
            border-radius: 4px;
        }
        
        .country-item:hover {
            background: #f3f4f6;
        }
        
        .country-item.selected {
            background: #e6f0f3;
            color: #004d61;
            font-weight: 600;
        }
        
        .bb-logo {
            width: 80px;
            height: 80px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            font-weight: bold;
           
        }
        
        /* Custom Alert Styles */
        .custom-alert-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            z-index: 9999;
            align-items: center;
            justify-content: center;
        }
        
        .custom-alert {
            background: white;
            border-radius: 24px;
            padding: 24px;
            max-width: 320px;
            width: 90%;
            text-align: center;
            animation: slideUp 0.3s ease;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        }
        
        .alert-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
        }
        
        .alert-icon.success {
            background: #10b98120;
            color: #10b981;
        }
        
        .alert-icon.error {
            background: #ef444420;
            color: #ef4444;
        }
        
        .alert-icon.warning {
            background: #f59e0b20;
            color: #f59e0b;
        }
        
        .alert-icon.info {
            background: #3b82f620;
            color: #3b82f6;
        }
        
        .alert-title {
            font-size: 20px;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 8px;
        }
        
        .alert-message {
            font-size: 14px;
            color: #6b7280;
            margin-bottom: 20px;
            line-height: 1.5;
        }
        
        .alert-button {
            background: #004d61;
            color: white;
            border: none;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.2s ease;
            width: 100%;
        }
        
        .alert-button:hover {
            background: #003d4d;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 77, 97, 0.3);
        }
        
        .view {
            display: none;
            animation: fadeScale 0.3s ease;
        }
        
        .view.active {
            display: block;
        }
        
        @keyframes fadeScale {
            from {
                opacity: 0;
                transform: scale(0.95);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }
        
        .password-toggle {
            cursor: pointer;
            transition: color 0.2s ease;
        }
        
        .password-toggle:hover {
            color: #004d61;
        }

        .auth-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            padding: 1rem;
        }

        .app-container {
            display: none;
            background: #002d26;
            height: 100vh;
            overflow: hidden;
            flex-direction: column;
        }

        .app-container.active {
            display: flex;
        }

        .auth-container.hidden {
            display: none;
        }

        .loading-spinner {
            border: 3px solid #f3f3f3;
            border-top: 3px solid #004d61;
            border-radius: 50%;
            width: 24px;
            height: 24px;
            animation: spin 1s linear infinite;
            display: inline-block;
        }

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

        .btn-loading {
            position: relative;
            color: transparent !important;
        }

        .btn-loading::after {
            content: "";
            position: absolute;
            width: 20px;
            height: 20px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border: 2px solid white;
            border-top-color: transparent;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
        }