:root {
            --primary: #0c5a47;
            --secondary: #ff914d;
            --accent: #28a745;
            --light: #f8f9fa;
            --dark: #212529;
            --gradient-start: #0c5a47;
            --gradient-end: #0e8a6a;
        }
        
        body {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            margin: 0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .login-container {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            width: 100%;
            max-width: 450px;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        
        .login-container:before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(45deg, transparent, rgba(12, 90, 71, 0.1), transparent);
            transform: rotate(30deg);
            z-index: 0;
        }
        
        .login-content {
            position: relative;
            z-index: 1;
        }
        
        .logo {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .logo h2 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0;
        }
        
        .logo h2 span {
            color: var(--secondary);
        }
        
        .logo p {
            color: #666;
            font-size: 1.1rem;
            margin-top: 5px;
        }
        
        .form-label {
            font-weight: 600;
            color: #444;
            margin-bottom: 8px;
        }
        
        .form-control {
            height: 50px;
            border: 1px solid #ddd;
            border-radius: 8px;
            padding: 10px 15px;
            margin-bottom: 20px;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.8);
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(12, 90, 71, 0.2);
        }
        
        .input-wrapper {
            position: relative;
        }
        
        .input-wrapper i {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            cursor: pointer;
            font-size: 1.25rem;
            color: #777;
        }
        
        .btn-login {
            background: linear-gradient(90deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
            color: white;
            border: none;
            padding: 12px 0;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
            width: 100%;
            margin-top: 10px;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn-login:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, var(--gradient-end) 0%, var(--gradient-start) 100%);
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .btn-login:hover:before {
            opacity: 1;
        }
        
        .btn-login:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(12, 90, 71, 0.4);
        }
        
        .btn-back {
            background: #6c757d;
            color: white;
            border: none;
            padding: 12px 0;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s;
            width: 100%;
            margin-top: 10px;
        }
        
        .btn-back:hover {
            background: #5a6268;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(108, 117, 125, 0.4);
        }
        
        .btn-resend {
            background: transparent;
            color: var(--primary);
            border: none;
            text-decoration: underline;
            font-size: 0.9rem;
            cursor: pointer;
            padding: 5px;
            transition: color 0.3s;
        }
        
        .btn-resend:hover {
            color: var(--secondary);
        }
        
        .copyright {
            text-align: center;
            margin-top: 25px;
            color: #666;
            font-size: 0.9rem;
        }
        
        .copyright h4 {
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .copyright p {
            margin-bottom: 0;
            font-size: 0.85rem;
        }
        
        .solar-graphic {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: pulse 6s infinite;
            z-index: 0;
        }
        
        .solar-graphic:before {
            content: '';
            position: absolute;
            width: 60px;
            height: 60px;
            border: 2px solid rgba(12, 90, 71, 0.1);
            border-radius: 50%;
            animation: rotate 20s linear infinite;
        }
        
        .solar-graphic:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 40px;
            border: 2px solid rgba(12, 90, 71, 0.1);
            border-radius: 50%;
            animation: rotate 30s linear infinite reverse;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 145, 77, 0.4); }
            70% { box-shadow: 0 0 0 20px rgba(255, 145, 77, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 145, 77, 0); }
        }
        
        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        
        .alert {
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 20px;
        }
        
        .otp-section {
            display: none;
        }
        
        .otp-timer {
            font-size: 0.9rem;
            color: #dc3545;
            text-align: center;
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .otp-inputs {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .otp-input {
            width: 50px;
            height: 50px;
            text-align: center;
            font-size: 1.5rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            transition: all 0.3s;
        }
        
        .otp-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(12, 90, 71, 0.2);
            outline: none;
        }
        
        .mobile-display {
            text-align: center;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 600;
            color: var(--primary);
        }